./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1251.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1251.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash de540e539c3db6027c1fdb04fcc6cae02aafb8aa58950d31054b2b0b8391af6d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:29:16,736 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:29:16,802 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 21:29:16,806 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:29:16,806 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:29:16,829 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:29:16,830 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:29:16,830 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:29:16,831 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:29:16,832 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:29:16,832 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:29:16,833 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:29:16,833 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:29:16,834 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:29:16,834 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:29:16,835 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:29:16,835 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:29:16,836 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:29:16,836 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:29:16,837 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:29:16,838 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:29:16,838 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:29:16,839 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:29:16,839 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:29:16,840 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:29:16,840 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:29:16,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:29:16,841 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:29:16,842 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:29:16,842 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:29:16,842 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:29:16,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:29:16,843 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:29:16,844 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de540e539c3db6027c1fdb04fcc6cae02aafb8aa58950d31054b2b0b8391af6d [2023-12-02 21:29:17,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:29:17,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:29:17,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:29:17,096 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:29:17,096 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:29:17,097 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/float_req_bl_1251.c [2023-12-02 21:29:19,890 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:29:20,071 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:29:20,071 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/sv-benchmarks/c/float-newlib/float_req_bl_1251.c [2023-12-02 21:29:20,079 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/data/56bf97a5e/6a8cbb14c44c46538a5f5d55af225ad2/FLAG5f3855f2c [2023-12-02 21:29:20,093 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/data/56bf97a5e/6a8cbb14c44c46538a5f5d55af225ad2 [2023-12-02 21:29:20,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:29:20,097 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:29:20,099 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:29:20,099 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:29:20,104 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:29:20,104 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:29:20" (1/1) ... [2023-12-02 21:29:20,105 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@475f441f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:29:20, skipping insertion in model container [2023-12-02 21:29:20,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:29:20" (1/1) ... [2023-12-02 21:29:20,128 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:29:20,289 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/sv-benchmarks/c/float-newlib/float_req_bl_1251.c[1980,1993] [2023-12-02 21:29:20,294 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/sv-benchmarks/c/float-newlib/float_req_bl_1251.c[2139,2152] [2023-12-02 21:29:20,295 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:29:20,308 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:29:20,330 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/sv-benchmarks/c/float-newlib/float_req_bl_1251.c[1980,1993] [2023-12-02 21:29:20,332 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/sv-benchmarks/c/float-newlib/float_req_bl_1251.c[2139,2152] [2023-12-02 21:29:20,333 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:29:20,348 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:29:20,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:29:20 WrapperNode [2023-12-02 21:29:20,348 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:29:20,349 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:29:20,350 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:29:20,350 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:29:20,357 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:29:20" (1/1) ... [2023-12-02 21:29:20,365 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:29:20" (1/1) ... [2023-12-02 21:29:20,387 INFO L138 Inliner]: procedures = 18, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 105 [2023-12-02 21:29:20,387 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:29:20,388 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:29:20,388 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:29:20,388 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:29:20,396 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:29:20" (1/1) ... [2023-12-02 21:29:20,397 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:29:20" (1/1) ... [2023-12-02 21:29:20,399 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:29:20" (1/1) ... [2023-12-02 21:29:20,399 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:29:20" (1/1) ... [2023-12-02 21:29:20,406 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:29:20" (1/1) ... [2023-12-02 21:29:20,409 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:29:20" (1/1) ... [2023-12-02 21:29:20,411 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:29:20" (1/1) ... [2023-12-02 21:29:20,413 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:29:20" (1/1) ... [2023-12-02 21:29:20,415 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:29:20,416 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:29:20,416 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:29:20,417 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:29:20,417 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:29:20" (1/1) ... [2023-12-02 21:29:20,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:29:20,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:29:20,444 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:29:20,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:29:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:29:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:29:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:29:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2023-12-02 21:29:20,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2023-12-02 21:29:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2023-12-02 21:29:20,479 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2023-12-02 21:29:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-02 21:29:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:29:20,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:29:20,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 21:29:20,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:29:20,559 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:29:20,561 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:29:20,760 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:29:20,850 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:29:20,850 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 21:29:20,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:29:20 BoogieIcfgContainer [2023-12-02 21:29:20,852 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:29:20,853 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:29:20,853 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:29:20,863 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:29:20,863 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:29:20" (1/1) ... [2023-12-02 21:29:20,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:29:20,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:20,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 47 states and 65 transitions. [2023-12-02 21:29:20,919 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2023-12-02 21:29:20,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 21:29:20,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:20,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:29:21,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:21,221 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:29:21,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:21,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 49 states and 64 transitions. [2023-12-02 21:29:21,280 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2023-12-02 21:29:21,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 21:29:21,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:21,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:29:21,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:21,366 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:29:21,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:21,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2023-12-02 21:29:21,395 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2023-12-02 21:29:21,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 21:29:21,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:21,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:29:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:29:21,451 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:29:21,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:29:21,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:29:21,567 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:29:21,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:29:21,613 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-12-02 21:29:21,640 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret9 could not be translated [2023-12-02 21:29:21,641 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret9 could not be translated [2023-12-02 21:29:21,642 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short11 could not be translated [2023-12-02 21:29:21,642 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret10 could not be translated [2023-12-02 21:29:21,642 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short11 could not be translated [2023-12-02 21:29:21,642 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret9 could not be translated [2023-12-02 21:29:21,643 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short11 could not be translated [2023-12-02 21:29:21,643 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret9 could not be translated [2023-12-02 21:29:21,643 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret10 could not be translated [2023-12-02 21:29:21,643 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short11 could not be translated [2023-12-02 21:29:21,643 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short15 could not be translated [2023-12-02 21:29:21,644 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret10 could not be translated [2023-12-02 21:29:21,644 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret9 could not be translated [2023-12-02 21:29:21,644 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret5 could not be translated [2023-12-02 21:29:21,645 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret17 could not be translated [2023-12-02 21:29:21,645 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret17 could not be translated [2023-12-02 21:29:21,645 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated [2023-12-02 21:29:21,646 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret18 could not be translated [2023-12-02 21:29:21,646 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret17 could not be translated [2023-12-02 21:29:21,646 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated [2023-12-02 21:29:21,646 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated [2023-12-02 21:29:21,647 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret18 could not be translated [2023-12-02 21:29:21,647 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret17 could not be translated [2023-12-02 21:29:21,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:29:21 ImpRootNode [2023-12-02 21:29:21,652 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:29:21,653 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:29:21,653 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:29:21,653 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:29:21,654 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:29:20" (3/4) ... [2023-12-02 21:29:21,656 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:29:21,657 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:29:21,658 INFO L158 Benchmark]: Toolchain (without parser) took 1560.71ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 97.6MB in the beginning and 107.3MB in the end (delta: -9.8MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2023-12-02 21:29:21,659 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 130.0MB. Free memory was 92.7MB in the beginning and 92.6MB in the end (delta: 31.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:29:21,660 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.03ms. Allocated memory is still 130.0MB. Free memory was 97.6MB in the beginning and 86.1MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 21:29:21,660 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.81ms. Allocated memory is still 130.0MB. Free memory was 86.1MB in the beginning and 84.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:29:21,661 INFO L158 Benchmark]: Boogie Preprocessor took 27.62ms. Allocated memory is still 130.0MB. Free memory was 84.5MB in the beginning and 83.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:29:21,662 INFO L158 Benchmark]: RCFGBuilder took 435.84ms. Allocated memory is still 130.0MB. Free memory was 83.0MB in the beginning and 62.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 21:29:21,662 INFO L158 Benchmark]: CodeCheck took 799.61ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 62.1MB in the beginning and 107.3MB in the end (delta: -45.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:29:21,663 INFO L158 Benchmark]: Witness Printer took 4.36ms. Allocated memory is still 167.8MB. Free memory is still 107.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:29:21,666 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 47 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 147 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32 IncrementalHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 80 mSDtfsCounter, 32 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 362 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 51 ConstructedInterpolants, 0 QuantifiedInterpolants, 54 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 8/8 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 76]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 75. Possible FailurePath: [L66] float x = __VERIFIER_nondet_float(); [L67] float y = __VERIFIER_nondet_float(); [L69] CALL, EXPR isnan_float(x) VAL [\old(x)=2] [L57] return x != x; [L69] RET, EXPR isnan_float(x) VAL [x=2] [L69] EXPR isnan_float(x) && !isnan_float(y) VAL [x=2] [L69] CALL, EXPR isnan_float(y) VAL [\old(x)=3] [L57] return x != x; [L69] RET, EXPR isnan_float(y) VAL [x=2, y=3] [L69] EXPR isnan_float(x) && !isnan_float(y) VAL [x=2, y=3] [L69-L70] (isnan_float(x) && !isnan_float(y)) || (!isnan_float(x) && isnan_float(y)) VAL [x=2, y=3] [L69-L70] COND TRUE (isnan_float(x) && !isnan_float(y)) || (!isnan_float(x) && isnan_float(y)) [L72] CALL, EXPR fmax_float(x, y) [L46] CALL, EXPR __fpclassify_float(x) VAL [\old(x)=2] [L23] __uint32_t w; VAL [\old(x)=2, x=2] [L26] ieee_float_shape_type gf_u; [L27] EXPR gf_u.value = (x) [L28] EXPR gf_u.word [L28] EXPR (w) = gf_u.word [L25-L29] { ieee_float_shape_type gf_u; gf_u.value = (x); (w) = gf_u.word; } VAL [\old(x)=2, w=2139095041, x=2] [L31] COND FALSE !(w == 0x00000000 || w == 0x80000000) [L33-L34] COND FALSE !((w >= 0x00800000 && w <= 0x7f7fffff) || (w >= 0x80800000 && w <= 0xff7fffff)) [L36-L37] COND FALSE !((w >= 0x00000001 && w <= 0x007fffff) || (w >= 0x80000001 && w <= 0x807fffff)) [L39] COND FALSE !(w == 0x7f800000 || w == 0xff800000) [L42] return 0; [L46] RET, EXPR __fpclassify_float(x) VAL [\old(x)=2, \old(y)=3, x=2, y=3] [L46] COND TRUE __fpclassify_float(x) == 0 [L47] return y; VAL [\old(x)=2, \old(y)=3, \result=3, x=2, y=3] [L72] RET, EXPR fmax_float(x, y) [L72] float res = fmax_float(x, y); [L75] CALL, EXPR isnan_float(x) VAL [\old(x)=2] [L57] return x != x; [L75] RET, EXPR isnan_float(x) VAL [res=3, x=2, y=3] [L75] EXPR isnan_float(x) && !isnan_float(y) VAL [res=3, x=2, y=3] [L75] CALL, EXPR isnan_float(y) VAL [\old(x)=3] [L57] return x != x; [L75] RET, EXPR isnan_float(y) VAL [res=3, x=2, y=3] [L75] EXPR isnan_float(x) && !isnan_float(y) VAL [res=3, x=2, y=3] [L75] COND TRUE isnan_float(x) && !isnan_float(y) && res != y [L76] reach_error() VAL [res=3, x=2, y=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 130.0MB. Free memory was 92.7MB in the beginning and 92.6MB in the end (delta: 31.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 250.03ms. Allocated memory is still 130.0MB. Free memory was 97.6MB in the beginning and 86.1MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.81ms. Allocated memory is still 130.0MB. Free memory was 86.1MB in the beginning and 84.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.62ms. Allocated memory is still 130.0MB. Free memory was 84.5MB in the beginning and 83.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 435.84ms. Allocated memory is still 130.0MB. Free memory was 83.0MB in the beginning and 62.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 799.61ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 62.1MB in the beginning and 107.3MB in the end (delta: -45.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.36ms. Allocated memory is still 167.8MB. Free memory is still 107.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short11 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short11 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short11 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short11 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret17 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 21:29:21,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1251.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash de540e539c3db6027c1fdb04fcc6cae02aafb8aa58950d31054b2b0b8391af6d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:29:23,674 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:29:23,753 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 21:29:23,784 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:29:23,785 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:29:23,786 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:29:23,787 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:29:23,787 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:29:23,788 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:29:23,789 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:29:23,789 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:29:23,790 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:29:23,790 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:29:23,791 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:29:23,791 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:29:23,792 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:29:23,792 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:29:23,793 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:29:23,793 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:29:23,794 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:29:23,794 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:29:23,795 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:29:23,795 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:29:23,796 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:29:23,796 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:29:23,797 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:23,797 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:29:23,798 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:29:23,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:29:23,799 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:29:23,799 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:29:23,799 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:29:23,800 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:29:23,800 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:23,801 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:29:23,801 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:29:23,801 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:29:23,802 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de540e539c3db6027c1fdb04fcc6cae02aafb8aa58950d31054b2b0b8391af6d [2023-12-02 21:29:24,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:29:24,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:29:24,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:29:24,108 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:29:24,108 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:29:24,109 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/float_req_bl_1251.c [2023-12-02 21:29:26,931 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:29:27,122 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:29:27,122 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/sv-benchmarks/c/float-newlib/float_req_bl_1251.c [2023-12-02 21:29:27,130 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/data/c7447ba9c/299a9c6dbb294cdbb43a8fd4f90e43db/FLAG2ca9d6a2b [2023-12-02 21:29:27,145 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/data/c7447ba9c/299a9c6dbb294cdbb43a8fd4f90e43db [2023-12-02 21:29:27,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:29:27,149 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:29:27,151 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:29:27,151 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:29:27,156 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:29:27,156 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:29:27" (1/1) ... [2023-12-02 21:29:27,157 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ad3a3c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:29:27, skipping insertion in model container [2023-12-02 21:29:27,158 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:29:27" (1/1) ... [2023-12-02 21:29:27,180 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:29:27,356 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/sv-benchmarks/c/float-newlib/float_req_bl_1251.c[1980,1993] [2023-12-02 21:29:27,360 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/sv-benchmarks/c/float-newlib/float_req_bl_1251.c[2139,2152] [2023-12-02 21:29:27,361 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:29:27,377 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:29:27,399 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/sv-benchmarks/c/float-newlib/float_req_bl_1251.c[1980,1993] [2023-12-02 21:29:27,401 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/sv-benchmarks/c/float-newlib/float_req_bl_1251.c[2139,2152] [2023-12-02 21:29:27,402 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:29:27,420 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:29:27,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:29:27 WrapperNode [2023-12-02 21:29:27,420 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:29:27,422 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:29:27,422 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:29:27,422 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:29:27,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:29:27" (1/1) ... [2023-12-02 21:29:27,441 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:29:27" (1/1) ... [2023-12-02 21:29:27,463 INFO L138 Inliner]: procedures = 21, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 96 [2023-12-02 21:29:27,464 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:29:27,465 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:29:27,465 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:29:27,465 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:29:27,475 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:29:27" (1/1) ... [2023-12-02 21:29:27,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:29:27" (1/1) ... [2023-12-02 21:29:27,480 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:29:27" (1/1) ... [2023-12-02 21:29:27,480 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:29:27" (1/1) ... [2023-12-02 21:29:27,489 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:29:27" (1/1) ... [2023-12-02 21:29:27,493 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:29:27" (1/1) ... [2023-12-02 21:29:27,495 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:29:27" (1/1) ... [2023-12-02 21:29:27,497 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:29:27" (1/1) ... [2023-12-02 21:29:27,501 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:29:27,502 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:29:27,502 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:29:27,502 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:29:27,503 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:29:27" (1/1) ... [2023-12-02 21:29:27,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:29:27,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:29:27,533 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:29:27,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:29:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:29:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:29:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:29:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2023-12-02 21:29:27,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2023-12-02 21:29:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2023-12-02 21:29:27,570 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2023-12-02 21:29:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 21:29:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:29:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:29:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-02 21:29:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:29:27,661 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:29:27,664 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:29:27,872 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:29:27,941 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:29:27,941 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 21:29:27,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:29:27 BoogieIcfgContainer [2023-12-02 21:29:27,943 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:29:27,944 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:29:27,944 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:29:27,954 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:29:27,955 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:29:27" (1/1) ... [2023-12-02 21:29:27,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:29:28,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:28,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 46 states and 64 transitions. [2023-12-02 21:29:28,036 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 64 transitions. [2023-12-02 21:29:28,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 21:29:28,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:28,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:28,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:28,048 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:28,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:29:28,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:28,233 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:28,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:28,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:29:28,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:28,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:29:28,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:29:28,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:28,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 46 states and 61 transitions. [2023-12-02 21:29:28,336 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2023-12-02 21:29:28,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 21:29:28,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:28,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:28,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:28,339 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:28,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 21:29:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:28,478 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:28,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:28,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:29:28,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:28,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:29:28,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-12-02 21:29:28,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:28,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 47 states and 63 transitions. [2023-12-02 21:29:28,554 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2023-12-02 21:29:28,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 21:29:28,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:28,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:28,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:28,557 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:28,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 21:29:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:28,686 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:28,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:28,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:29:28,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:28,754 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:29:28,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 21:29:28,757 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:29:28,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:28,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2023-12-02 21:29:28,793 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2023-12-02 21:29:28,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:28,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:28,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:28,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:28,796 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:28,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 21:29:29,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:29,021 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:29,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 21:29:29,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:29,698 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:29,701 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:29:29,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 21:29:30,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:30,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2023-12-02 21:29:30,644 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2023-12-02 21:29:30,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:30,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:30,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:30,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:30,646 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:30,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 21:29:30,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:30,897 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:30,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:30,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:31,547 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:31,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 21:29:31,550 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Stream closed [2023-12-02 21:29:32,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:32,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:32,809 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:32,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:32,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:32,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:32,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:32,812 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:32,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 21:29:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:33,019 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:33,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:33,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:33,208 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:33,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 21:29:33,211 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:29:33,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:33,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:33,226 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:33,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:33,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:33,228 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:33,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:33,232 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:33,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 21:29:33,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:33,431 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:33,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:33,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:33,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:33,585 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:33,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 21:29:33,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:33,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:33,603 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:33,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:33,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:33,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:33,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:33,607 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:33,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 21:29:33,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:33,808 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:33,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:33,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:33,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:33,967 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:33,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 21:29:33,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:33,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:33,988 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:33,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:33,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:33,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:33,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:33,992 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:33,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 21:29:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:34,206 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:34,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:29:34,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:34,531 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:34,534 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:29:34,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 21:29:34,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:34,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:34,623 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:34,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:34,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:34,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:34,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:34,628 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:34,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 21:29:34,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:34,858 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:34,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:29:34,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:35,086 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:35,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 21:29:35,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:35,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:35,103 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:35,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:35,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:35,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:35,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:35,105 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:35,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 21:29:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:35,384 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:35,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:29:35,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:35,595 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:35,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 21:29:35,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:35,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:35,616 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:35,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:35,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:35,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:35,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:35,618 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:35,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 21:29:35,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:35,853 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:35,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:35,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:29:35,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:36,064 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:36,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 21:29:36,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:36,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:36,079 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:36,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:36,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:36,080 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:36,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:36,085 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:36,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 21:29:36,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:36,296 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:36,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:36,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:36,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:36,451 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:36,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-02 21:29:36,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:36,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:36,464 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:36,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:36,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:36,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:36,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:36,466 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:36,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 21:29:36,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:36,678 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:36,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:36,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:36,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:36,827 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:36,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 21:29:36,831 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:29:36,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:36,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:36,842 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:36,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:36,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:36,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:36,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:36,844 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:36,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 21:29:37,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:37,044 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:37,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:37,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:37,184 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:37,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-02 21:29:37,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:37,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:37,197 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:37,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:37,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:37,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:37,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:37,199 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:37,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 21:29:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:37,406 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:37,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:29:37,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:37,599 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:37,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-02 21:29:37,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:37,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:37,613 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:37,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:37,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:37,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:37,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:37,617 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:37,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 21:29:37,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:37,887 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:37,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:37,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:37,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:38,023 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:38,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-02 21:29:38,026 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:29:38,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:38,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:38,036 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:38,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:38,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:38,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:38,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:38,038 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:38,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 21:29:38,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:38,245 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:38,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:38,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:38,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:38,385 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:38,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-02 21:29:38,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:38,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:38,396 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:38,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:38,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:38,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:38,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:38,397 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:38,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 21:29:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:38,601 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:38,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:38,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:38,747 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:38,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2023-12-02 21:29:38,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:38,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:38,758 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:38,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:38,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:38,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:38,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:38,759 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:38,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-02 21:29:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:38,958 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:38,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:38,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:38,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:39,076 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:39,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-02 21:29:39,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:39,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:39,089 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:39,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:39,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:39,090 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:39,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:39,091 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:39,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 21:29:39,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:39,297 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:39,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:29:39,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:39,734 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:39,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-02 21:29:39,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:39,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:39,748 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:39,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:39,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:39,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:39,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:39,750 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:39,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-02 21:29:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:39,995 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:40,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:40,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:40,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:40,126 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:40,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-02 21:29:40,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:40,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:40,138 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:40,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:40,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:40,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:40,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:40,140 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:40,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-02 21:29:40,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:40,422 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:40,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:40,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:40,541 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:40,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-02 21:29:40,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:40,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:40,552 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:40,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:40,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:40,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:40,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:40,554 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:40,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-02 21:29:40,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:40,750 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:40,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:40,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 21:29:40,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:40,894 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:40,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-02 21:29:40,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:40,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:40,906 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:40,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:40,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:40,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:40,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:40,908 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:40,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-02 21:29:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:41,128 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:41,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:29:41,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:41,313 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:41,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-02 21:29:41,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:41,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:41,324 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:41,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:41,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:41,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:41,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:41,326 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:41,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-02 21:29:41,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:41,546 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:41,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:41,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:29:41,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:41,735 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:41,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-02 21:29:41,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:41,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:41,746 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:41,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:41,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:41,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:41,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:41,748 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:41,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-02 21:29:41,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:41,977 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:42,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:42,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:29:42,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:42,183 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:42,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-02 21:29:42,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:42,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:42,205 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:42,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:42,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:42,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:42,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:42,207 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:42,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-02 21:29:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:42,422 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:42,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:42,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:42,539 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:42,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-02 21:29:42,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:42,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:42,551 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:42,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:42,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:42,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:42,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:42,553 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:42,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-02 21:29:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:42,770 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:42,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 21:29:42,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:42,938 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:42,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-02 21:29:42,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:42,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:42,949 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:42,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:42,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:42,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:42,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:42,951 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:42,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-02 21:29:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:43,179 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:43,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:43,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:43,289 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:43,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-02 21:29:43,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:43,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:43,307 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:43,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:43,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:43,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:43,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:43,309 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:43,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-02 21:29:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:43,525 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:43,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:43,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:43,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:43,644 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:43,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-02 21:29:43,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:43,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:43,653 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:43,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:43,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:43,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:43,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:43,654 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:43,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-02 21:29:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:43,859 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:43,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:43,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:43,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:43,966 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:43,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-02 21:29:43,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:43,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:43,975 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:43,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:43,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:43,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:43,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:43,977 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:43,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-02 21:29:44,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:44,180 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:44,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:44,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:29:44,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:44,436 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:44,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-02 21:29:44,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:44,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:44,446 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:44,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:44,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:44,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:44,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:44,448 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:44,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-02 21:29:44,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:44,655 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:44,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:44,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:29:44,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:44,810 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:44,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-02 21:29:44,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:44,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:44,819 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:44,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:44,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:44,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:44,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:44,820 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:44,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-02 21:29:45,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:45,029 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:45,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:29:45,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:45,182 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:45,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-02 21:29:45,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:45,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:45,193 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:45,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:45,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:45,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:45,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:45,195 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:45,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-02 21:29:45,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:45,390 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:45,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:29:45,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:45,545 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:45,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-02 21:29:45,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:45,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:45,556 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:45,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:45,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:45,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:45,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:45,557 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:45,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-02 21:29:45,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:45,773 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:45,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:45,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:45,883 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:45,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-02 21:29:45,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:45,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:45,892 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:45,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:45,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:45,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:45,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:45,894 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:45,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-02 21:29:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:46,092 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:46,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:46,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:46,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:46,194 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:46,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-02 21:29:46,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:46,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:46,203 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:46,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:46,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:46,204 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:46,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:46,205 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:46,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-02 21:29:46,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:46,423 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:46,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:46,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:46,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:46,532 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:46,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-02 21:29:46,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:46,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:46,541 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:46,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:46,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:46,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:46,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:46,542 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:46,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-02 21:29:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:46,750 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:46,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:46,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:29:46,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:46,871 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:46,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-02 21:29:46,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:46,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:46,880 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:46,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:46,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:46,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:46,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:46,882 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:46,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-02 21:29:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:47,091 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:47,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:47,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:29:47,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:47,229 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:47,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-02 21:29:47,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:47,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:47,239 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:47,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:47,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:47,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:47,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:47,240 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:47,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-02 21:29:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:47,478 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:47,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:47,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:47,597 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:47,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-02 21:29:47,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:47,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:47,607 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:47,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:47,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:47,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:47,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:47,608 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:47,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-02 21:29:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:47,828 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:47,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:29:47,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:48,024 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:48,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-02 21:29:48,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:48,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:48,036 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:48,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:48,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:48,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:48,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:48,037 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:48,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-02 21:29:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:48,252 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:48,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:48,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:48,351 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:48,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-02 21:29:48,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:48,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:48,360 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:48,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:48,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:48,361 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:48,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:48,362 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:48,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-02 21:29:48,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:48,573 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:48,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:48,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:48,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:48,692 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:48,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2023-12-02 21:29:48,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:48,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:48,700 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:48,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:48,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:48,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:48,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:48,702 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:48,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-02 21:29:48,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:48,913 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:48,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:48,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:48,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:49,052 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:49,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2023-12-02 21:29:49,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:49,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:49,063 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:49,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:49,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:49,064 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:49,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:49,065 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:49,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-02 21:29:49,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:49,277 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:49,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:29:49,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:49,453 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:49,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2023-12-02 21:29:49,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:49,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:49,462 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:49,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:49,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:49,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:49,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:49,464 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:49,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-02 21:29:49,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:49,688 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:49,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:49,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:49,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:49,787 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:49,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-02 21:29:49,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:49,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:49,797 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:49,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:49,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:49,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:49,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:49,798 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:49,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-02 21:29:50,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:50,014 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:50,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:29:50,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:50,225 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:50,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-02 21:29:50,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:50,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:50,234 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:50,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:50,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:50,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:50,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:50,235 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:50,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-02 21:29:50,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:50,436 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:50,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:50,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:50,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:50,545 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:50,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-02 21:29:50,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:50,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:50,558 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:50,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:50,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:50,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:50,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:50,560 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:50,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-02 21:29:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:50,771 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:50,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:50,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:50,887 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:50,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-02 21:29:50,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:50,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:50,898 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:50,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:50,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:50,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:50,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:50,900 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:50,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-02 21:29:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:51,118 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:51,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:51,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:51,232 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:51,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-02 21:29:51,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:51,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:51,242 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:51,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:51,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:51,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:51,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:51,244 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:51,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-02 21:29:51,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:51,468 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:51,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:51,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:29:51,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:51,658 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:51,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-02 21:29:51,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:51,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:51,668 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:51,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:51,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:51,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:51,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:51,670 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:51,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-02 21:29:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:51,885 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:51,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:51,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:51,995 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:51,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-02 21:29:52,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:52,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:52,005 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:52,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:52,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:52,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:52,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:52,006 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:52,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-02 21:29:52,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:52,237 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:52,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:29:52,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:52,405 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:52,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-02 21:29:52,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:52,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:52,414 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:52,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:52,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:52,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:52,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:52,415 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:52,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-02 21:29:52,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:52,616 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:52,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:29:52,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:52,774 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:52,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-02 21:29:52,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:52,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:52,783 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:52,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:52,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:52,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:52,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:52,784 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:52,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-02 21:29:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:53,000 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:53,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:53,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:53,115 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:53,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-02 21:29:53,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:53,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:53,124 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:53,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:53,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:53,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:53,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:53,125 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:53,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-02 21:29:53,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:53,348 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:53,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:29:53,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:53,552 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:53,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Forceful destruction successful, exit code 0 [2023-12-02 21:29:53,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:53,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:53,561 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:53,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:53,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:53,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:53,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:53,562 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:53,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-02 21:29:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:53,791 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:53,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:53,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 21:29:53,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:53,954 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:53,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2023-12-02 21:29:53,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:53,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:53,966 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:53,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:53,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:53,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:53,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:53,967 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:53,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-02 21:29:54,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:54,208 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:54,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:54,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:54,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:54,328 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:54,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-02 21:29:54,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:54,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:54,337 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:54,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:54,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:54,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:54,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:54,339 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:54,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-02 21:29:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:54,548 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:54,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:54,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:54,674 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:54,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-02 21:29:54,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:54,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:54,684 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:54,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:54,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:54,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:54,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:54,685 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:54,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-02 21:29:54,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:54,924 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:54,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:54,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:29:54,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:55,083 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:55,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-02 21:29:55,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:55,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:55,093 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:55,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:55,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:55,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:55,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:55,095 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:55,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-02 21:29:55,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:55,318 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:55,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:55,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:55,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:55,419 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:55,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-02 21:29:55,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:55,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:55,429 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:55,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:55,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:55,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:55,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:55,431 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:55,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-02 21:29:55,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:55,705 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:55,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:55,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:55,819 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:55,822 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:29:55,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Forceful destruction successful, exit code 0 [2023-12-02 21:29:55,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:55,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:55,831 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:55,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:55,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:55,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:55,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:55,832 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:55,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-02 21:29:56,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:56,064 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:56,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:56,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:56,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:56,194 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:56,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-02 21:29:56,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:56,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:56,204 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:56,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:56,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:56,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:56,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:56,205 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:56,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-02 21:29:56,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:56,442 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:56,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:56,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:56,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:56,541 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:56,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-02 21:29:56,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:56,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:56,551 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:56,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:56,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:56,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:56,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:56,553 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:56,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-02 21:29:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:56,771 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:56,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:29:56,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:56,913 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:56,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-02 21:29:56,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:56,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:56,923 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:56,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:56,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:56,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:56,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:56,924 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:56,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-02 21:29:57,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:57,141 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:57,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:57,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:57,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:57,257 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:57,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-02 21:29:57,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:57,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:57,268 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:57,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:57,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:57,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:57,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:57,269 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:57,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-02 21:29:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:57,513 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:57,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:29:57,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:57,690 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:57,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-02 21:29:57,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:57,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:57,700 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:57,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:57,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:57,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:57,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:57,701 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:57,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-02 21:29:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:57,944 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:57,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:57,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:58,045 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:58,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-02 21:29:58,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:58,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:58,054 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:58,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:58,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:58,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:58,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:58,055 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:58,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-02 21:29:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:58,291 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:58,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:58,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:29:58,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:58,471 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:58,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-02 21:29:58,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:58,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:58,482 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:58,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:58,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:58,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:58,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:58,483 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:58,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-02 21:29:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:58,731 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:58,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 21:29:58,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:58,888 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:58,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-02 21:29:58,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:58,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:58,898 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:58,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:58,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:58,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:58,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:58,900 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:58,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-02 21:29:59,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:59,138 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:59,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:59,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:29:59,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:59,306 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:59,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-02 21:29:59,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:59,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:59,315 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:59,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:59,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:59,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:59,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:59,316 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:59,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-02 21:29:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:59,554 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:59,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:59,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:59,659 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:29:59,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-02 21:29:59,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:59,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:29:59,668 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:29:59,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:29:59,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:59,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:59,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:59,670 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:59,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-02 21:29:59,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:59,904 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:59,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:59,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:59,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:00,018 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:00,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-02 21:30:00,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:00,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:00,027 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:00,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:00,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:00,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:00,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:00,028 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:00,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-02 21:30:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:00,273 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:00,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:00,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:30:00,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:00,442 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:00,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-02 21:30:00,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:00,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:00,453 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:00,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:00,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:00,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:00,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:00,454 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:00,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-02 21:30:00,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:00,669 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:00,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:30:00,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:00,825 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:00,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-02 21:30:00,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:00,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:00,836 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:00,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:00,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:00,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:00,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:00,837 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:00,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-02 21:30:01,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:01,055 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:01,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:01,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:01,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:01,160 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:01,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-02 21:30:01,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:01,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:01,171 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:01,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:01,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:01,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:01,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:01,173 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:01,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-02 21:30:01,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:01,420 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:01,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:01,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:01,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:01,546 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:01,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-02 21:30:01,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:01,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:01,555 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:01,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:01,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:01,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:01,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:01,557 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:01,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-02 21:30:01,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:01,799 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:01,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:01,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:01,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:01,914 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:01,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-02 21:30:01,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:01,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:01,924 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:01,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:01,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:01,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:01,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:01,925 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:01,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-02 21:30:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:02,182 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:02,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:02,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:02,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:02,281 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:02,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Forceful destruction successful, exit code 0 [2023-12-02 21:30:02,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:02,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:02,291 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:02,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:02,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:02,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:02,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:02,292 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:02,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-02 21:30:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:02,542 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:02,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:02,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:02,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:02,650 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:02,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Forceful destruction successful, exit code 0 [2023-12-02 21:30:02,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:02,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:02,660 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:02,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:02,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:02,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:02,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:02,661 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:02,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-02 21:30:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:02,908 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:02,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:02,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:03,025 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:03,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-02 21:30:03,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:03,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:03,035 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:03,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:03,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:03,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:03,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:03,036 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:03,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-02 21:30:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:03,294 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:03,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:03,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:03,397 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:03,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-02 21:30:03,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:03,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:03,407 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:03,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:03,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:03,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:03,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:03,408 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:03,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-02 21:30:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:03,664 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:03,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:03,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:03,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:03,783 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:03,786 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:30:03,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-02 21:30:03,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:03,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:03,795 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:03,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:03,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:03,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:03,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:03,796 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:03,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-02 21:30:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:04,050 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:04,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:04,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:30:04,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:04,335 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:04,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-02 21:30:04,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:04,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:04,344 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:04,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:04,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:04,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:04,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:04,346 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:04,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-02 21:30:04,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:04,602 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:04,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:04,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:30:04,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:04,767 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:04,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-02 21:30:04,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:04,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:04,778 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:04,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:04,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:04,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:04,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:04,779 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:04,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-02 21:30:05,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:05,014 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:05,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:30:05,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:05,168 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:05,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-02 21:30:05,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:05,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:05,178 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:05,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:05,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:05,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:05,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:05,180 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:05,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-02 21:30:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:05,443 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:05,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:05,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:05,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:05,551 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:05,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Forceful destruction successful, exit code 0 [2023-12-02 21:30:05,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:05,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:05,560 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:05,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:05,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:05,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:05,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:05,561 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:05,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-02 21:30:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:05,790 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:05,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:05,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:05,893 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:05,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-02 21:30:05,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:05,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:05,902 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:05,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:05,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:05,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:05,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:05,903 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:05,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-02 21:30:06,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:06,138 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:06,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:06,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:06,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:06,245 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:06,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-02 21:30:06,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:06,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:06,254 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:06,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:06,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:06,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:06,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:06,255 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:06,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-02 21:30:06,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:06,475 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:06,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:06,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:06,584 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:06,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-02 21:30:06,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:06,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:06,593 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:06,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:06,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:06,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:06,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:06,594 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:06,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-02 21:30:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:06,850 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:06,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:06,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:06,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:06,970 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:06,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-02 21:30:06,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:06,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:06,979 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:06,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:06,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:06,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:06,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:06,980 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:06,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-02 21:30:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:07,237 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:07,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:07,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:07,345 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:07,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-02 21:30:07,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:07,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:07,354 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:07,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:07,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:07,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:07,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:07,355 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:07,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-02 21:30:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:07,615 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:07,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:07,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:07,738 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:07,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-02 21:30:07,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:07,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:07,747 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:07,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:07,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:07,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:07,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:07,749 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:07,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-02 21:30:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:07,980 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:08,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:08,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:08,090 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:08,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-02 21:30:08,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:08,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:08,099 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:08,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:08,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:08,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:08,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:08,101 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:08,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-02 21:30:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:08,334 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:08,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:30:08,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:08,588 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:08,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-02 21:30:08,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:08,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:08,600 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:08,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:08,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:08,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:08,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:08,601 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:08,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-02 21:30:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:08,869 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:08,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:08,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:08,981 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:08,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-02 21:30:08,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:08,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:08,992 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:08,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:08,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:08,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:08,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:08,993 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:08,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-02 21:30:09,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:09,245 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:09,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:09,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:09,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:09,356 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:09,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-02 21:30:09,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:09,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:09,366 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:09,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:09,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:09,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:09,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:09,368 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:09,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-02 21:30:09,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:09,633 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:09,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:30:09,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:09,848 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:09,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-02 21:30:09,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:09,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:09,858 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:09,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:09,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:09,859 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:09,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:09,860 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:09,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-02 21:30:10,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:10,123 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:10,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:10,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:30:10,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:10,293 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:10,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-02 21:30:10,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:10,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:10,304 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:10,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:10,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:10,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:10,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:10,305 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:10,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-02 21:30:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:10,566 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:10,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:10,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:10,683 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:10,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-02 21:30:10,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:10,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:10,691 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:10,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:10,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:10,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:10,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:10,693 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:10,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-02 21:30:10,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:10,966 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:10,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:10,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:11,079 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:11,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-02 21:30:11,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:11,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:11,088 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:11,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:11,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:11,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:11,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:11,089 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:11,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-02 21:30:11,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:11,351 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:11,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:11,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:11,475 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:11,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-02 21:30:11,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:11,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:11,484 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:11,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:11,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:11,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:11,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:11,486 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:11,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-02 21:30:11,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:11,720 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:11,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:11,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:30:11,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:11,859 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:11,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-02 21:30:11,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:11,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:11,870 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:11,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:11,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:11,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:11,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:11,871 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:11,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-02 21:30:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:12,138 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:12,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:12,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:30:12,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:12,272 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:12,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-02 21:30:12,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:12,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:12,282 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:12,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:12,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:12,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:12,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:12,283 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:12,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-02 21:30:12,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:12,519 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:12,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:12,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:12,634 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:12,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-02 21:30:12,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:12,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:12,643 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:12,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:12,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:12,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:12,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:12,645 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:12,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-02 21:30:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:12,922 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:12,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:12,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:12,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:13,046 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:13,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-02 21:30:13,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:13,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:13,054 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:13,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:13,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:13,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:13,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:13,055 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:13,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-02 21:30:13,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:13,364 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:13,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:13,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:30:13,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:13,522 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:13,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-02 21:30:13,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:13,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:13,533 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:13,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:13,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:13,534 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:13,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:13,534 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:13,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-02 21:30:13,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:13,794 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:13,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:13,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:13,913 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:13,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-02 21:30:13,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:13,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:13,921 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:13,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:13,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:13,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:13,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:13,922 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:13,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-02 21:30:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:14,194 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:14,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:14,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:14,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:14,310 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:14,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-02 21:30:14,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:14,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:14,319 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:14,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:14,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:14,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:14,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:14,320 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:14,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-02 21:30:14,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:14,591 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:14,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:14,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:14,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:14,699 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:14,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-02 21:30:14,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:14,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:14,714 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:14,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:14,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:14,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:14,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:14,715 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:14,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-02 21:30:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:14,990 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:15,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:15,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:15,090 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:15,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2023-12-02 21:30:15,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:15,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:15,099 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:15,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:15,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:15,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:15,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:15,100 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:15,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-02 21:30:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:15,375 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:15,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:30:15,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:15,559 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:15,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-02 21:30:15,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:15,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:15,569 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:15,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:15,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:15,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:15,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:15,570 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:15,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-02 21:30:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:15,827 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:15,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:15,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:15,929 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:15,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-02 21:30:15,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:15,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:15,938 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:15,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:15,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:15,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:15,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:15,939 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:15,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-02 21:30:16,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:16,215 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:16,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:16,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:16,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:16,323 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:16,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-02 21:30:16,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:16,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:16,332 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:16,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:16,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:16,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:16,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:16,333 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:16,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-02 21:30:16,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:16,607 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:16,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:16,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:30:16,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:16,872 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:16,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-02 21:30:16,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:16,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:16,882 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:16,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:16,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:16,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:16,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:16,883 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:16,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-02 21:30:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:17,162 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:17,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:17,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:30:17,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:17,318 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:17,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2023-12-02 21:30:17,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:17,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:17,329 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:17,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:17,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:17,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:17,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:17,331 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:17,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-02 21:30:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:17,605 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:17,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:17,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:17,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:17,721 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:17,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Forceful destruction successful, exit code 0 [2023-12-02 21:30:17,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:17,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:17,730 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:17,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:17,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:17,730 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:17,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:17,731 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:17,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-02 21:30:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:18,051 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:18,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:18,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:18,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:18,166 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:18,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2023-12-02 21:30:18,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:18,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:18,176 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:18,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:18,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:18,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:18,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:18,177 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:18,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-02 21:30:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:18,459 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:18,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:18,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:30:18,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:18,623 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:18,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2023-12-02 21:30:18,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:18,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:18,633 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:18,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:18,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:18,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:18,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:18,635 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:18,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-02 21:30:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:18,901 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:18,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:18,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:18,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:19,007 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:19,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2023-12-02 21:30:19,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:19,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:19,016 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:19,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:19,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:19,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:19,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:19,018 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:19,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2023-12-02 21:30:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:19,303 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:19,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:19,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:19,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:19,418 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:19,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2023-12-02 21:30:19,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:19,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:19,426 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:19,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:19,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:19,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:19,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:19,427 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:19,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2023-12-02 21:30:19,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:19,690 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:19,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:19,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:19,812 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:19,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2023-12-02 21:30:19,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:19,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:19,821 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:19,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:19,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:19,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:19,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:19,822 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:19,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2023-12-02 21:30:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:20,137 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:20,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:20,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:20,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:20,252 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:20,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2023-12-02 21:30:20,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:20,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:20,262 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:20,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:20,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:20,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:20,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:20,264 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:20,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2023-12-02 21:30:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:20,529 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:20,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:20,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:20,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:20,662 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:20,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2023-12-02 21:30:20,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:20,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:20,671 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:20,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:20,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:20,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:20,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:20,673 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:20,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2023-12-02 21:30:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:20,943 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:20,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:20,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:30:20,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:21,085 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:21,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2023-12-02 21:30:21,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:21,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:21,094 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:21,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:21,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:21,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:21,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:21,095 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:21,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2023-12-02 21:30:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:21,359 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:21,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:21,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 21:30:21,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:21,542 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:21,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2023-12-02 21:30:21,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:21,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:21,552 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:21,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:21,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:21,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:21,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:21,553 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:21,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2023-12-02 21:30:21,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:21,834 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:21,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:21,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:21,972 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:21,975 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:30:21,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2023-12-02 21:30:21,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:21,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:21,984 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:21,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:21,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:21,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:21,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:21,985 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:21,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2023-12-02 21:30:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:22,270 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:22,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:22,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:22,372 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:22,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2023-12-02 21:30:22,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:22,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:22,381 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:22,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:22,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:22,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:22,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:22,382 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:22,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2023-12-02 21:30:22,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:22,663 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:22,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:22,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:22,780 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:22,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2023-12-02 21:30:22,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:22,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:22,789 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:22,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:22,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:22,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:22,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:22,790 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:22,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2023-12-02 21:30:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:23,058 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:23,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:23,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:30:23,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:23,216 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:23,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2023-12-02 21:30:23,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:23,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:23,226 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:23,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:23,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:23,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:23,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:23,227 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:23,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2023-12-02 21:30:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:23,505 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:23,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:23,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:23,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:23,632 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:23,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2023-12-02 21:30:23,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:23,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:23,640 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:23,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:23,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:23,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:23,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:23,642 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:23,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2023-12-02 21:30:23,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:23,923 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:23,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:23,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:24,042 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:24,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2023-12-02 21:30:24,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:24,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:24,051 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:24,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:24,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:24,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:24,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:24,053 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:24,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2023-12-02 21:30:24,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:24,327 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:24,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:24,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:24,450 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:24,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2023-12-02 21:30:24,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:24,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:24,459 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:24,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:24,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:24,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:24,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:24,460 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:24,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2023-12-02 21:30:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:24,748 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:24,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:24,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:24,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:24,849 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:24,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Forceful destruction successful, exit code 0 [2023-12-02 21:30:24,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:24,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:24,858 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:24,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:24,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:24,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:24,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:24,859 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:24,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2023-12-02 21:30:25,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:25,145 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:25,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:25,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:25,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:25,260 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:25,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2023-12-02 21:30:25,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:25,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:25,270 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:25,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:25,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:25,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:25,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:25,271 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:25,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2023-12-02 21:30:25,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:25,558 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:25,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:25,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:25,659 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:25,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2023-12-02 21:30:25,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:25,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:25,668 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:25,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:25,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:25,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:25,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:25,669 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:25,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2023-12-02 21:30:25,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:25,934 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:25,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:25,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:26,041 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:26,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2023-12-02 21:30:26,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:26,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:26,051 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:26,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:26,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:26,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:26,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:26,052 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:26,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2023-12-02 21:30:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:26,412 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:26,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:26,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:30:26,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:26,588 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:26,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Forceful destruction successful, exit code 0 [2023-12-02 21:30:26,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:26,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:26,598 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:26,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:26,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:26,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:26,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:26,600 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:26,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2023-12-02 21:30:26,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:26,898 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:26,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:26,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:27,008 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:27,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2023-12-02 21:30:27,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:27,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:27,017 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:27,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:27,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:27,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:27,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:27,018 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:27,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2023-12-02 21:30:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:27,316 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:27,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:27,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:27,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:27,432 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:27,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2023-12-02 21:30:27,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:27,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:27,441 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:27,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:27,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:27,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:27,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:27,442 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:27,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2023-12-02 21:30:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:27,738 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:27,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:27,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:27,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:27,846 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:27,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2023-12-02 21:30:27,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:27,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:27,855 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:27,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:27,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:27,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:27,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:27,856 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:27,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2023-12-02 21:30:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:28,146 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:28,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:30:28,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:28,359 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:28,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2023-12-02 21:30:28,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:28,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:28,369 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:28,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:28,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:28,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:28,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:28,371 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:28,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2023-12-02 21:30:28,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:28,663 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:28,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:28,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:28,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:28,805 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:28,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2023-12-02 21:30:28,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:28,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:28,814 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:28,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:28,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:28,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:28,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:28,815 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:28,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2023-12-02 21:30:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:29,074 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:29,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:29,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:29,266 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:29,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2023-12-02 21:30:29,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:29,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:29,276 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:29,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:29,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:29,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:29,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:29,277 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:29,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2023-12-02 21:30:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:29,573 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:29,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:29,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:29,686 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:29,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2023-12-02 21:30:29,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:29,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:29,696 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:29,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:29,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:29,696 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:29,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:29,697 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:29,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2023-12-02 21:30:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:30,000 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:30,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:30:30,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:30,178 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:30,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2023-12-02 21:30:30,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:30,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:30,188 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:30,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:30,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:30,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:30,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:30,189 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:30,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2023-12-02 21:30:30,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:30,491 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:30,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:30,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:30,585 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:30,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2023-12-02 21:30:30,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:30,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:30,595 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:30,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:30,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:30,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:30,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:30,596 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:30,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2023-12-02 21:30:30,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:30,886 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:30,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:30,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:30,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:30,998 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:31,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2023-12-02 21:30:31,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:31,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:31,015 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:31,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:31,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:31,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:31,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:31,016 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:31,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2023-12-02 21:30:31,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:31,317 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:31,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:31,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:31,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:31,407 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:31,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2023-12-02 21:30:31,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:31,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:31,416 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:31,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:31,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:31,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:31,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:31,417 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:31,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2023-12-02 21:30:31,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:31,723 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:31,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:31,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:30:31,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:31,893 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:31,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2023-12-02 21:30:31,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:31,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:31,903 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:31,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:31,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:31,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:31,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:31,904 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:31,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2023-12-02 21:30:32,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:32,189 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:32,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:32,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:32,319 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:32,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2023-12-02 21:30:32,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:32,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:32,328 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:32,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:32,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:32,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:32,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:32,330 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:32,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2023-12-02 21:30:32,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:32,643 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:32,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:32,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:32,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:32,755 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:32,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2023-12-02 21:30:32,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:32,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:32,764 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:32,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:32,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:32,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:32,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:32,765 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:32,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2023-12-02 21:30:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:33,031 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:33,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:33,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:33,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:33,140 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:33,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (156)] Ended with exit code 0 [2023-12-02 21:30:33,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:33,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:33,150 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:33,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:33,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:33,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:33,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:33,151 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:33,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2023-12-02 21:30:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:33,445 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:33,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:33,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:33,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:33,561 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:33,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2023-12-02 21:30:33,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:33,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:33,569 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:33,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:33,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:33,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:33,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:33,571 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:33,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2023-12-02 21:30:33,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:33,874 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:33,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:33,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:33,982 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:33,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2023-12-02 21:30:33,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:33,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:33,991 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:33,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:33,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:33,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:33,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:33,992 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:33,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2023-12-02 21:30:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:34,318 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:34,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:34,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:34,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:34,420 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:34,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (159)] Ended with exit code 0 [2023-12-02 21:30:34,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:34,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:34,430 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:34,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:34,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:34,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:34,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:34,431 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:34,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2023-12-02 21:30:34,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:34,713 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:34,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:34,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:34,831 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:34,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (160)] Forceful destruction successful, exit code 0 [2023-12-02 21:30:34,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:34,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:34,840 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:34,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:34,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:34,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:34,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:34,842 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:34,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2023-12-02 21:30:35,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:35,126 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:35,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:35,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:35,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:35,240 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:35,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2023-12-02 21:30:35,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:35,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:35,250 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:35,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:35,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:35,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:35,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:35,251 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:35,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2023-12-02 21:30:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:35,531 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:35,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:35,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:30:35,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:35,704 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:35,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2023-12-02 21:30:35,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:35,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:35,714 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:35,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:35,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:35,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:35,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:35,715 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:35,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2023-12-02 21:30:36,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:36,012 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:36,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:36,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:36,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:36,125 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:36,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (163)] Ended with exit code 0 [2023-12-02 21:30:36,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:36,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:36,136 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:36,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:36,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:36,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:36,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:36,137 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:36,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2023-12-02 21:30:36,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:36,434 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:36,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:36,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:30:36,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:36,624 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:36,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (164)] Ended with exit code 0 [2023-12-02 21:30:36,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:36,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:36,634 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:36,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:36,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:36,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:36,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:36,635 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:36,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2023-12-02 21:30:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:36,938 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:36,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:36,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:30:36,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:37,106 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:37,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (165)] Ended with exit code 0 [2023-12-02 21:30:37,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:37,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:37,117 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:37,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:37,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:37,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:37,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:37,118 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:37,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2023-12-02 21:30:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:37,438 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:37,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:37,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:30:37,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:37,594 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:37,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (166)] Ended with exit code 0 [2023-12-02 21:30:37,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:37,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:37,604 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:37,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:37,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:37,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:37,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:37,605 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:37,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2023-12-02 21:30:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:37,921 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:37,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:37,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:37,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:38,041 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:38,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (167)] Ended with exit code 0 [2023-12-02 21:30:38,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:38,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:38,051 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:38,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:38,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:38,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:38,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:38,052 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:38,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2023-12-02 21:30:38,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:38,368 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:38,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:30:38,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:38,528 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:38,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2023-12-02 21:30:38,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:38,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:38,539 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:38,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:38,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:38,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:38,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:38,540 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:38,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2023-12-02 21:30:38,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:38,842 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:38,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:38,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:38,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:38,954 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:38,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (169)] Ended with exit code 0 [2023-12-02 21:30:38,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:38,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:38,964 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:38,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:38,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:38,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:38,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:38,965 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:38,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2023-12-02 21:30:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:39,292 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:39,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:30:39,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:39,486 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:39,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (170)] Ended with exit code 0 [2023-12-02 21:30:39,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:39,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:39,497 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:39,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:39,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:39,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:39,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:39,498 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:39,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2023-12-02 21:30:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:39,778 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:39,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 21:30:39,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:39,926 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:39,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (171)] Ended with exit code 0 [2023-12-02 21:30:39,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:39,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:39,935 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:39,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:39,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:39,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:39,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:39,936 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:39,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2023-12-02 21:30:40,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:40,234 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:40,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:40,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:40,331 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:40,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (172)] Ended with exit code 0 [2023-12-02 21:30:40,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:40,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:40,340 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:40,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:40,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:40,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:40,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:40,341 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:40,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2023-12-02 21:30:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:40,643 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:40,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:40,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:40,778 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:40,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (173)] Ended with exit code 0 [2023-12-02 21:30:40,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:40,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:40,787 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:40,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:40,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:40,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:40,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:40,789 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:40,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2023-12-02 21:30:41,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:41,096 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:41,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:41,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:41,201 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:41,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (174)] Ended with exit code 0 [2023-12-02 21:30:41,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:41,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:41,209 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:41,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:41,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:41,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:41,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:41,210 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:41,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2023-12-02 21:30:41,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:41,512 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:41,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:41,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:41,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:41,621 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:41,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (175)] Ended with exit code 0 [2023-12-02 21:30:41,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:41,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:41,630 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:41,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:41,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:41,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:41,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:41,632 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:41,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2023-12-02 21:30:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:41,955 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:41,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:41,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:42,063 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:42,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (176)] Ended with exit code 0 [2023-12-02 21:30:42,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:42,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:42,074 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:42,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:42,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:42,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:42,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:42,075 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:42,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2023-12-02 21:30:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:42,403 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:42,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:30:42,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:42,573 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:42,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (177)] Forceful destruction successful, exit code 0 [2023-12-02 21:30:42,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:42,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:42,582 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:42,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:42,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:42,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:42,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:42,583 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:42,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2023-12-02 21:30:42,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:42,895 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:42,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:42,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:30:42,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:43,058 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:43,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (178)] Ended with exit code 0 [2023-12-02 21:30:43,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:43,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:43,070 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:43,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:43,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:43,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:43,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:43,072 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:43,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2023-12-02 21:30:43,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:43,421 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:43,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:43,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:43,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:43,531 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:43,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (179)] Ended with exit code 0 [2023-12-02 21:30:43,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:43,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:43,539 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:43,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:43,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:43,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:43,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:43,540 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:43,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2023-12-02 21:30:43,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:43,861 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:43,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:43,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:43,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:43,974 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:43,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (180)] Ended with exit code 0 [2023-12-02 21:30:43,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:43,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:43,983 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:43,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:43,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:43,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:43,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:43,984 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:43,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2023-12-02 21:30:44,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:44,268 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:44,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:44,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:30:44,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:44,429 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:44,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (181)] Ended with exit code 0 [2023-12-02 21:30:44,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:44,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:44,439 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:44,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:44,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:44,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:44,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:44,440 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:44,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2023-12-02 21:30:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:44,756 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:44,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:44,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:44,859 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:44,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (182)] Ended with exit code 0 [2023-12-02 21:30:44,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:44,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:44,873 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:44,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:44,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:44,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:44,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:44,874 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:44,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2023-12-02 21:30:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:45,189 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:45,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:45,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:30:45,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:45,342 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:45,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (183)] Ended with exit code 0 [2023-12-02 21:30:45,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:45,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:45,354 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:45,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:45,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:45,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:45,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:45,355 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:45,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2023-12-02 21:30:45,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:45,671 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:45,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:45,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:45,774 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:45,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (184)] Ended with exit code 0 [2023-12-02 21:30:45,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:45,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:45,783 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:45,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:45,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:45,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:45,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:45,784 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:45,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2023-12-02 21:30:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:46,147 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:46,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:46,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:46,253 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:46,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (185)] Ended with exit code 0 [2023-12-02 21:30:46,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:46,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:46,261 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:46,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:46,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:46,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:46,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:46,262 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:46,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2023-12-02 21:30:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:46,587 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:46,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:46,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:46,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:46,678 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:46,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (186)] Ended with exit code 0 [2023-12-02 21:30:46,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:46,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:46,687 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:46,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:46,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:46,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:46,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:46,688 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:46,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2023-12-02 21:30:47,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:47,004 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:47,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:47,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:47,110 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:47,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (187)] Ended with exit code 0 [2023-12-02 21:30:47,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:47,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:47,119 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:47,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:47,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:47,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:47,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:47,120 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:47,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2023-12-02 21:30:47,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:47,444 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:47,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:47,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:47,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:47,546 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:47,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (188)] Ended with exit code 0 [2023-12-02 21:30:47,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:47,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:47,556 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:47,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:47,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:47,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:47,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:47,557 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:47,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2023-12-02 21:30:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:47,895 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:47,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:47,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:48,006 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:48,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (189)] Ended with exit code 0 [2023-12-02 21:30:48,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:48,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:48,015 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:48,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:48,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:48,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:48,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:48,016 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:48,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2023-12-02 21:30:48,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:48,338 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:48,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:30:48,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:48,509 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:48,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (190)] Ended with exit code 0 [2023-12-02 21:30:48,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:48,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:48,521 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:48,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:48,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:48,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:48,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:48,522 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:48,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2023-12-02 21:30:48,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:48,859 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:48,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:48,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:48,968 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:48,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (191)] Ended with exit code 0 [2023-12-02 21:30:48,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:48,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:48,979 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:48,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:48,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:48,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:48,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:48,980 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:48,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2023-12-02 21:30:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:49,327 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:49,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 21:30:49,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:49,493 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:49,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (192)] Ended with exit code 0 [2023-12-02 21:30:49,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:49,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:49,502 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:49,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:49,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:49,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:49,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:49,503 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:49,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2023-12-02 21:30:49,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:49,844 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:49,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:49,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:49,946 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:49,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (193)] Ended with exit code 0 [2023-12-02 21:30:49,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:49,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:49,956 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:49,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:49,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:49,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:49,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:49,957 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:49,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2023-12-02 21:30:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:50,257 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:50,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:50,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:50,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:50,351 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:50,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (194)] Ended with exit code 0 [2023-12-02 21:30:50,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:50,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:50,360 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:50,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:50,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:50,361 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:50,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:50,361 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:50,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2023-12-02 21:30:50,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:50,672 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:50,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:50,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:50,778 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:50,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (195)] Ended with exit code 0 [2023-12-02 21:30:50,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:50,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:50,788 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:50,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:50,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:50,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:50,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:50,789 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:50,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2023-12-02 21:30:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:51,115 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:51,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:30:51,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:51,344 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:51,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (196)] Ended with exit code 0 [2023-12-02 21:30:51,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:51,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:51,354 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:51,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:51,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:51,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:51,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:51,356 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:51,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2023-12-02 21:30:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:51,698 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:51,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:51,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:51,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:51,835 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:51,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (197)] Ended with exit code 0 [2023-12-02 21:30:51,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:51,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:51,843 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:51,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:51,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:51,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:51,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:51,844 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:51,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2023-12-02 21:30:52,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:52,175 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:52,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:30:52,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:52,323 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:52,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (198)] Ended with exit code 0 [2023-12-02 21:30:52,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:52,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:52,334 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:52,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:52,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:52,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:52,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:52,335 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:52,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2023-12-02 21:30:52,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:52,668 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:52,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:52,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:52,783 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:52,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (199)] Ended with exit code 0 [2023-12-02 21:30:52,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:52,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:52,794 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:52,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:52,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:52,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:52,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:52,795 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:52,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2023-12-02 21:30:53,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:53,118 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:53,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:53,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:53,229 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:53,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (200)] Ended with exit code 0 [2023-12-02 21:30:53,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:53,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:53,239 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:53,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:53,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:53,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:53,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:53,240 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:53,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2023-12-02 21:30:53,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:53,599 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:53,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:53,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:53,702 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:53,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (201)] Ended with exit code 0 [2023-12-02 21:30:53,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:53,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:53,711 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:53,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:53,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:53,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:53,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:53,712 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:53,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2023-12-02 21:30:54,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:54,050 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:54,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:54,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:54,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:54,156 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:54,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (202)] Ended with exit code 0 [2023-12-02 21:30:54,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:54,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:54,167 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:54,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:54,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:54,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:54,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:54,169 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:54,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2023-12-02 21:30:54,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:54,534 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:54,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:54,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:54,651 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:54,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (203)] Ended with exit code 0 [2023-12-02 21:30:54,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:54,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:54,660 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:54,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:54,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:54,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:54,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:54,661 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:54,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2023-12-02 21:30:55,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:55,004 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:55,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:55,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:30:55,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:55,178 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:55,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (204)] Ended with exit code 0 [2023-12-02 21:30:55,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:55,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:55,190 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:55,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:55,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:55,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:55,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:55,191 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:55,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2023-12-02 21:30:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:55,545 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:55,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:55,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:55,651 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:55,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (205)] Ended with exit code 0 [2023-12-02 21:30:55,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:55,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:55,661 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:55,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:55,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:55,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:55,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:55,662 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:55,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2023-12-02 21:30:56,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:56,012 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:56,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:56,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:30:56,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:56,166 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:56,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (206)] Ended with exit code 0 [2023-12-02 21:30:56,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:56,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:56,177 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:56,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:56,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:56,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:56,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:56,178 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:56,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2023-12-02 21:30:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:56,472 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:56,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:56,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:56,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:56,570 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:56,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (207)] Ended with exit code 0 [2023-12-02 21:30:56,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:56,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:56,579 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:56,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:56,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:56,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:56,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:56,580 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:56,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2023-12-02 21:30:56,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:56,927 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:56,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:56,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:57,052 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:57,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (208)] Ended with exit code 0 [2023-12-02 21:30:57,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:57,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:57,061 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:57,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:57,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:57,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:57,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:57,063 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:57,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2023-12-02 21:30:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:57,394 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:57,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:57,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:57,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:57,511 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:57,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (209)] Ended with exit code 0 [2023-12-02 21:30:57,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:57,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:57,522 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:57,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:57,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:57,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:57,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:57,523 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:57,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2023-12-02 21:30:57,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:57,897 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:57,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:57,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:57,991 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:57,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (210)] Ended with exit code 0 [2023-12-02 21:30:58,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:58,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:58,000 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:58,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:58,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:58,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:58,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:58,001 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:58,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2023-12-02 21:30:58,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:58,347 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:58,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:58,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:58,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:58,456 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:58,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (211)] Ended with exit code 0 [2023-12-02 21:30:58,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:58,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:58,466 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:58,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:58,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:58,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:58,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:58,467 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:58,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2023-12-02 21:30:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:58,822 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:58,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:58,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:58,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:58,936 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:58,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (212)] Ended with exit code 0 [2023-12-02 21:30:58,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:58,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:58,945 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:58,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:58,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:58,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:58,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:58,946 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:58,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2023-12-02 21:30:59,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:59,279 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:59,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:59,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:30:59,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:59,441 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:30:59,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (213)] Ended with exit code 0 [2023-12-02 21:30:59,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:59,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:30:59,452 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:30:59,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:30:59,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:59,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:59,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:59,453 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:59,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2023-12-02 21:30:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:59,840 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:59,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:30:59,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:00,014 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:00,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (214)] Ended with exit code 0 [2023-12-02 21:31:00,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:00,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:00,025 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:00,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:00,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:00,025 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:00,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:00,026 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:00,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2023-12-02 21:31:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:00,337 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:00,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:00,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:00,436 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:00,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (215)] Ended with exit code 0 [2023-12-02 21:31:00,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:00,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:00,445 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:00,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:00,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:00,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:00,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:00,446 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:00,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2023-12-02 21:31:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:00,787 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:00,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:00,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:00,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:00,874 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:00,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (216)] Ended with exit code 0 [2023-12-02 21:31:00,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:00,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:00,884 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:00,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:00,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:00,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:00,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:00,885 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:00,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2023-12-02 21:31:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:01,207 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:01,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:01,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:01,320 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:01,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (217)] Ended with exit code 0 [2023-12-02 21:31:01,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:01,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:01,330 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:01,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:01,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:01,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:01,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:01,332 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:01,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2023-12-02 21:31:01,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:01,684 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:01,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:01,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:01,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:01,802 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:01,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (218)] Ended with exit code 0 [2023-12-02 21:31:01,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:01,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:01,812 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:01,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:01,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:01,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:01,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:01,813 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:01,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2023-12-02 21:31:02,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:02,170 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:02,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:02,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:02,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:02,278 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:02,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (219)] Ended with exit code 0 [2023-12-02 21:31:02,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:02,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:02,287 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:02,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:02,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:02,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:02,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:02,288 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:02,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2023-12-02 21:31:02,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:02,648 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:02,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:02,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:02,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:02,750 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:02,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (220)] Ended with exit code 0 [2023-12-02 21:31:02,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:02,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:02,758 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:02,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:02,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:02,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:02,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:02,759 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:02,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2023-12-02 21:31:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:03,165 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:03,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:03,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:03,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:03,289 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:03,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (221)] Ended with exit code 0 [2023-12-02 21:31:03,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:03,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:03,299 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:03,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:03,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:03,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:03,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:03,300 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:03,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2023-12-02 21:31:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:03,677 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:03,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:03,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:31:03,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:03,894 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:03,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (222)] Ended with exit code 0 [2023-12-02 21:31:03,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:03,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:03,904 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:03,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:03,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:03,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:03,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:03,905 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:03,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2023-12-02 21:31:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:04,270 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:04,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:04,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:04,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:04,383 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:04,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (223)] Ended with exit code 0 [2023-12-02 21:31:04,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:04,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:04,392 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:04,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:04,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:04,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:04,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:04,393 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:04,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2023-12-02 21:31:04,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:04,747 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:04,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:04,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:04,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:04,867 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:04,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (224)] Ended with exit code 0 [2023-12-02 21:31:04,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:04,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:04,877 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:04,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:04,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:04,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:04,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:04,878 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:04,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2023-12-02 21:31:05,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:05,263 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:05,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:05,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:05,387 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:05,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (225)] Ended with exit code 0 [2023-12-02 21:31:05,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:05,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:05,396 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:05,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:05,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:05,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:05,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:05,397 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:05,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2023-12-02 21:31:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:05,758 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:05,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:05,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:05,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:05,857 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:05,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (226)] Ended with exit code 0 [2023-12-02 21:31:05,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:05,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:05,866 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:05,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:05,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:05,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:05,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:05,867 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:05,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2023-12-02 21:31:06,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:06,214 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:06,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:06,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:06,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:06,313 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:06,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (227)] Ended with exit code 0 [2023-12-02 21:31:06,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:06,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:06,322 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:06,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:06,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:06,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:06,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:06,323 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:06,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2023-12-02 21:31:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:06,655 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:06,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:06,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:31:06,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:06,813 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:06,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (228)] Ended with exit code 0 [2023-12-02 21:31:06,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:06,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:06,829 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:06,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:06,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:06,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:06,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:06,830 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:06,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2023-12-02 21:31:07,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:07,207 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:07,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:07,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:07,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:07,302 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:07,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (229)] Ended with exit code 0 [2023-12-02 21:31:07,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:07,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:07,312 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:07,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:07,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:07,312 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:07,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:07,313 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:07,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2023-12-02 21:31:07,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:07,685 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:07,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:07,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:07,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:07,827 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:07,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (230)] Ended with exit code 0 [2023-12-02 21:31:07,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:07,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:07,836 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:07,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:07,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:07,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:07,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:07,837 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:07,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2023-12-02 21:31:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:08,200 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:08,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:08,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:08,306 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:08,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (231)] Ended with exit code 0 [2023-12-02 21:31:08,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:08,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:08,314 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:08,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:08,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:08,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:08,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:08,315 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:08,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2023-12-02 21:31:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:08,626 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:08,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:08,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:08,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:08,741 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:08,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (232)] Ended with exit code 0 [2023-12-02 21:31:08,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:08,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:08,750 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:08,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:08,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:08,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:08,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:08,751 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:08,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2023-12-02 21:31:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:09,125 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:09,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:09,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:09,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:09,230 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:09,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (233)] Ended with exit code 0 [2023-12-02 21:31:09,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:09,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:09,240 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:09,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:09,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:09,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:09,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:09,241 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:09,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2023-12-02 21:31:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:09,612 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:09,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:09,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:09,706 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:09,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (234)] Ended with exit code 0 [2023-12-02 21:31:09,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:09,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:09,715 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:09,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:09,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:09,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:09,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:09,716 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:09,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2023-12-02 21:31:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:10,103 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:10,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:10,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:31:10,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:10,265 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:10,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (235)] Ended with exit code 0 [2023-12-02 21:31:10,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:10,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:10,276 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:10,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:10,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:10,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:10,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:10,278 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:10,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2023-12-02 21:31:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:10,606 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:10,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:10,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:10,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:10,780 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:10,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (236)] Ended with exit code 0 [2023-12-02 21:31:10,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:10,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:10,789 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:10,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:10,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:10,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:10,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:10,790 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:10,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2023-12-02 21:31:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:11,146 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:11,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:11,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:31:11,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:11,305 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:11,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (237)] Ended with exit code 0 [2023-12-02 21:31:11,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:11,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:11,314 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:11,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:11,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:11,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:11,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:11,316 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:11,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2023-12-02 21:31:11,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:11,638 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:11,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:11,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:11,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:11,749 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:11,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (238)] Ended with exit code 0 [2023-12-02 21:31:11,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:11,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:11,757 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:11,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:11,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:11,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:11,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:11,759 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:11,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process [2023-12-02 21:31:12,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:12,084 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:12,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:12,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:12,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:12,191 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:12,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (239)] Ended with exit code 0 [2023-12-02 21:31:12,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:12,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:12,200 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:12,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:12,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:12,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:12,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:12,201 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:12,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (240)] Waiting until timeout for monitored process [2023-12-02 21:31:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:12,551 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:12,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:12,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:12,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:12,642 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:12,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (240)] Ended with exit code 0 [2023-12-02 21:31:12,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:12,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:12,651 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:12,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:12,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:12,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:12,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:12,652 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:12,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (241)] Waiting until timeout for monitored process [2023-12-02 21:31:13,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:13,021 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:13,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:13,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:13,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:13,133 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:13,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (241)] Ended with exit code 0 [2023-12-02 21:31:13,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:13,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:13,142 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:13,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:13,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:13,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:13,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:13,143 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:13,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (242)] Waiting until timeout for monitored process [2023-12-02 21:31:13,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:13,510 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:13,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:13,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:31:13,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:13,674 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:13,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (242)] Ended with exit code 0 [2023-12-02 21:31:13,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:13,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:13,685 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:13,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:13,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:13,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:13,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:13,686 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:13,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (243)] Waiting until timeout for monitored process [2023-12-02 21:31:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:14,022 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:14,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:14,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:14,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:14,111 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:14,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (243)] Ended with exit code 0 [2023-12-02 21:31:14,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:14,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:14,125 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:14,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:14,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:14,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:14,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:14,126 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:14,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (244)] Waiting until timeout for monitored process [2023-12-02 21:31:14,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:14,480 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:14,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:14,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:14,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:14,587 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:14,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (244)] Ended with exit code 0 [2023-12-02 21:31:14,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:14,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:14,596 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:14,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:14,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:14,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:14,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:14,597 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:14,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (245)] Waiting until timeout for monitored process [2023-12-02 21:31:14,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:14,932 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:14,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:14,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:14,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:15,051 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:15,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (245)] Ended with exit code 0 [2023-12-02 21:31:15,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:15,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:15,061 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:15,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:15,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:15,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:15,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:15,062 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:15,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (246)] Waiting until timeout for monitored process [2023-12-02 21:31:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:15,389 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:15,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:15,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:31:15,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:15,557 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:15,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (246)] Ended with exit code 0 [2023-12-02 21:31:15,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:15,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:15,566 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:15,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:15,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:15,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:15,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:15,567 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:15,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (247)] Waiting until timeout for monitored process [2023-12-02 21:31:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:15,948 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:15,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:15,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:16,062 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:16,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (247)] Ended with exit code 0 [2023-12-02 21:31:16,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:16,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:16,074 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:16,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:16,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:16,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:16,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:16,076 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:16,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (248)] Waiting until timeout for monitored process [2023-12-02 21:31:16,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:16,448 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:16,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:16,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:16,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:16,569 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:16,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (248)] Ended with exit code 0 [2023-12-02 21:31:16,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:16,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:16,584 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:16,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:16,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:16,584 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:16,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:16,585 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:16,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (249)] Waiting until timeout for monitored process [2023-12-02 21:31:16,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:16,917 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:16,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:16,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:16,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:17,021 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:17,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (249)] Ended with exit code 0 [2023-12-02 21:31:17,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:17,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:17,031 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:17,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:17,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:17,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:17,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:17,032 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:17,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (250)] Waiting until timeout for monitored process [2023-12-02 21:31:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:17,420 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:17,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:17,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:17,524 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:17,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (250)] Ended with exit code 0 [2023-12-02 21:31:17,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:17,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:17,535 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:17,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:17,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:17,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:17,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:17,536 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:17,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (251)] Waiting until timeout for monitored process [2023-12-02 21:31:17,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:17,898 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:17,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:17,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:17,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:18,004 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:18,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (251)] Ended with exit code 0 [2023-12-02 21:31:18,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:18,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:18,013 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:18,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:18,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:18,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:18,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:18,014 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:18,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (252)] Waiting until timeout for monitored process [2023-12-02 21:31:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:18,361 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:18,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:18,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:31:18,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:18,564 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:18,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (252)] Ended with exit code 0 [2023-12-02 21:31:18,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:18,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:18,574 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:18,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:18,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:18,575 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:18,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:18,575 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:18,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (253)] Waiting until timeout for monitored process [2023-12-02 21:31:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:18,900 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:18,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:18,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:31:18,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:19,092 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:19,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (253)] Ended with exit code 0 [2023-12-02 21:31:19,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:19,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:19,103 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:19,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:19,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:19,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:19,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:19,104 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:19,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (254)] Waiting until timeout for monitored process [2023-12-02 21:31:19,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:19,523 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:19,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:19,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:19,628 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:19,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (254)] Ended with exit code 0 [2023-12-02 21:31:19,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:19,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:19,637 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:19,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:19,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:19,637 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:19,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:19,638 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:19,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (255)] Waiting until timeout for monitored process [2023-12-02 21:31:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:20,021 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:20,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:20,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:20,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:20,133 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:20,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (255)] Ended with exit code 0 [2023-12-02 21:31:20,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:20,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:20,142 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:20,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:20,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:20,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:20,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:20,143 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:20,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (256)] Waiting until timeout for monitored process [2023-12-02 21:31:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:20,531 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:20,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:20,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:31:20,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:20,698 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:20,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (256)] Ended with exit code 0 [2023-12-02 21:31:20,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:20,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:20,710 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:20,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:20,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:20,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:20,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:20,711 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:20,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (257)] Waiting until timeout for monitored process [2023-12-02 21:31:21,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:21,135 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:21,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:21,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:31:21,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:21,347 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:21,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (257)] Ended with exit code 0 [2023-12-02 21:31:21,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:21,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:21,358 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:21,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:21,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:21,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:21,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:21,359 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:21,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (258)] Waiting until timeout for monitored process [2023-12-02 21:31:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:21,738 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:21,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:31:21,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:21,921 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:21,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (258)] Ended with exit code 0 [2023-12-02 21:31:21,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:21,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:21,930 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:21,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:21,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:21,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:21,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:21,931 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:21,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (259)] Waiting until timeout for monitored process [2023-12-02 21:31:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:22,291 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:22,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:22,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:22,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:22,391 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:22,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (259)] Ended with exit code 0 [2023-12-02 21:31:22,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:22,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:22,401 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:22,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:22,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:22,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:22,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:22,402 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:22,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (260)] Waiting until timeout for monitored process [2023-12-02 21:31:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:22,786 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:22,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:22,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:22,906 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:22,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (260)] Ended with exit code 0 [2023-12-02 21:31:22,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:22,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:22,916 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:22,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:22,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:22,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:22,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:22,917 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:22,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (261)] Waiting until timeout for monitored process [2023-12-02 21:31:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:23,306 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:23,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:31:23,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:23,458 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:23,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (261)] Ended with exit code 0 [2023-12-02 21:31:23,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:23,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:23,469 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:23,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:23,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:23,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:23,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:23,470 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:23,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (262)] Waiting until timeout for monitored process [2023-12-02 21:31:23,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:23,829 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:23,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:23,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:23,932 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:23,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (262)] Ended with exit code 0 [2023-12-02 21:31:23,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:23,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:23,942 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:23,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:23,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:23,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:23,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:23,943 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:23,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (263)] Waiting until timeout for monitored process [2023-12-02 21:31:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:24,326 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:24,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:24,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:31:24,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:24,545 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:24,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (263)] Ended with exit code 0 [2023-12-02 21:31:24,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:24,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:24,557 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:24,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:24,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:24,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:24,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:24,558 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:24,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (264)] Waiting until timeout for monitored process [2023-12-02 21:31:24,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:24,941 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:24,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:24,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:24,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:25,046 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:25,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (264)] Ended with exit code 0 [2023-12-02 21:31:25,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:25,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:25,056 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:25,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:25,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:25,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:25,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:25,057 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:25,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (265)] Waiting until timeout for monitored process [2023-12-02 21:31:25,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:25,447 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:25,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:25,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:25,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:25,595 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:25,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (265)] Ended with exit code 0 [2023-12-02 21:31:25,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:25,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:25,604 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:25,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:25,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:25,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:25,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:25,606 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:25,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (266)] Waiting until timeout for monitored process [2023-12-02 21:31:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:25,998 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:26,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:26,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:26,108 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:26,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (266)] Ended with exit code 0 [2023-12-02 21:31:26,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:26,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:26,118 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:26,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:26,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:26,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:26,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:26,120 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:26,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (267)] Waiting until timeout for monitored process [2023-12-02 21:31:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:26,525 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:26,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:26,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:26,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:26,636 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:26,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (267)] Ended with exit code 0 [2023-12-02 21:31:26,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:26,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:26,652 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:26,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:26,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:26,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:26,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:26,653 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:26,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (268)] Waiting until timeout for monitored process [2023-12-02 21:31:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:27,047 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:27,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:27,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:27,155 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:27,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (268)] Ended with exit code 0 [2023-12-02 21:31:27,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:27,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:27,165 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:27,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:27,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:27,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:27,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:27,166 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:27,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (269)] Waiting until timeout for monitored process [2023-12-02 21:31:27,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:27,583 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:27,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:27,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:27,696 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:27,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (269)] Ended with exit code 0 [2023-12-02 21:31:27,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:27,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:27,705 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:27,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:27,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:27,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:27,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:27,706 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:27,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (270)] Waiting until timeout for monitored process [2023-12-02 21:31:28,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:28,100 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:28,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:28,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:28,234 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:28,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (270)] Ended with exit code 0 [2023-12-02 21:31:28,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:28,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:28,245 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:28,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:28,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:28,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:28,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:28,247 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:28,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (271)] Waiting until timeout for monitored process [2023-12-02 21:31:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:28,606 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:28,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:28,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:28,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:28,699 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:28,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (271)] Ended with exit code 0 [2023-12-02 21:31:28,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:28,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:28,709 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:28,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:28,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:28,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:28,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:28,710 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:28,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (272)] Waiting until timeout for monitored process [2023-12-02 21:31:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:29,090 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:29,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:29,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:29,194 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:29,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (272)] Forceful destruction successful, exit code 0 [2023-12-02 21:31:29,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:29,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:29,208 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:29,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:29,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:29,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:29,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:29,209 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:29,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (273)] Waiting until timeout for monitored process [2023-12-02 21:31:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:29,601 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:29,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:29,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 21:31:29,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:29,739 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:29,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (273)] Ended with exit code 0 [2023-12-02 21:31:29,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:29,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:29,749 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:29,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:29,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:29,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:29,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:29,750 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:29,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (274)] Waiting until timeout for monitored process [2023-12-02 21:31:30,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:30,093 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:30,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:30,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:30,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:30,177 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:30,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (274)] Ended with exit code 0 [2023-12-02 21:31:30,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:30,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:30,186 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:30,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:30,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:30,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:30,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:30,188 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:30,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (275)] Waiting until timeout for monitored process [2023-12-02 21:31:30,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:30,592 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:30,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:30,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:30,703 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:30,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (275)] Ended with exit code 0 [2023-12-02 21:31:30,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:30,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:30,712 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:30,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:30,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:30,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:30,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:30,713 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:30,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (276)] Waiting until timeout for monitored process [2023-12-02 21:31:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:31,088 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:31,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:31:31,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:31,248 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:31,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (276)] Ended with exit code 0 [2023-12-02 21:31:31,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:31,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:31,259 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:31,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:31,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:31,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:31,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:31,260 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:31,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (277)] Waiting until timeout for monitored process [2023-12-02 21:31:31,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:31,628 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:31,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:31,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:31,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:31,746 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:31,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (277)] Ended with exit code 0 [2023-12-02 21:31:31,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:31,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:31,758 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:31,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:31,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:31,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:31,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:31,759 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:31,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (278)] Waiting until timeout for monitored process [2023-12-02 21:31:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:32,146 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:32,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:32,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:32,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:32,254 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:32,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (278)] Ended with exit code 0 [2023-12-02 21:31:32,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:32,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:32,263 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:32,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:32,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:32,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:32,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:32,264 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:32,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (279)] Waiting until timeout for monitored process [2023-12-02 21:31:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:32,631 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:32,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:32,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:32,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:32,736 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:32,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (279)] Ended with exit code 0 [2023-12-02 21:31:32,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:32,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:32,745 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:32,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:32,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:32,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:32,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:32,746 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:32,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (280)] Waiting until timeout for monitored process [2023-12-02 21:31:33,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:33,142 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:33,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:33,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:33,237 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:33,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (280)] Ended with exit code 0 [2023-12-02 21:31:33,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:33,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:33,246 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:33,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:33,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:33,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:33,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:33,247 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:33,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (281)] Waiting until timeout for monitored process [2023-12-02 21:31:33,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:33,736 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:33,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:33,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:33,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:33,868 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:33,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (281)] Ended with exit code 0 [2023-12-02 21:31:33,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:33,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:33,877 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:33,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:33,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:33,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:33,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:33,878 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:33,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (282)] Waiting until timeout for monitored process [2023-12-02 21:31:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:34,267 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:34,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:34,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:34,369 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:34,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (282)] Ended with exit code 0 [2023-12-02 21:31:34,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:34,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:34,378 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:34,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:34,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:34,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:34,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:34,379 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:34,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (283)] Waiting until timeout for monitored process [2023-12-02 21:31:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:34,803 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:34,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:34,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:34,908 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:34,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (283)] Ended with exit code 0 [2023-12-02 21:31:34,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:34,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:34,917 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:34,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:34,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:34,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:34,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:34,918 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:34,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (284)] Waiting until timeout for monitored process [2023-12-02 21:31:35,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:35,333 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:35,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:35,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:35,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:35,427 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:35,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (284)] Ended with exit code 0 [2023-12-02 21:31:35,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:35,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:35,437 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:35,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:35,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:35,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:35,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:35,438 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:35,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (285)] Waiting until timeout for monitored process [2023-12-02 21:31:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:35,826 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:35,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:35,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:35,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:35,941 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:35,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (285)] Forceful destruction successful, exit code 0 [2023-12-02 21:31:35,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:35,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:35,951 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:35,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:35,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:35,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:35,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:35,952 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:35,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (286)] Waiting until timeout for monitored process [2023-12-02 21:31:36,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:36,351 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:36,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:36,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:36,476 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:36,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (286)] Ended with exit code 0 [2023-12-02 21:31:36,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:36,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:36,485 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:36,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:36,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:36,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:36,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:36,487 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:36,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (287)] Waiting until timeout for monitored process [2023-12-02 21:31:36,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:36,874 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:36,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:36,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:36,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:36,975 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:36,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (287)] Ended with exit code 0 [2023-12-02 21:31:36,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:36,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:36,986 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:36,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:36,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:36,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:36,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:36,987 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:36,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (288)] Waiting until timeout for monitored process [2023-12-02 21:31:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:37,360 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:37,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:37,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:37,469 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:37,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (288)] Ended with exit code 0 [2023-12-02 21:31:37,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:37,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:37,479 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:37,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:37,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:37,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:37,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:37,480 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:37,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (289)] Waiting until timeout for monitored process [2023-12-02 21:31:37,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:37,864 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:37,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:37,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:37,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:37,951 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:37,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (289)] Ended with exit code 0 [2023-12-02 21:31:37,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:37,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:37,966 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:37,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:37,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:37,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:37,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:37,967 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:37,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (290)] Waiting until timeout for monitored process [2023-12-02 21:31:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:38,372 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:38,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:38,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:38,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:38,473 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:38,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (290)] Ended with exit code 0 [2023-12-02 21:31:38,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:38,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:38,482 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:38,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:38,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:38,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:38,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:38,483 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:38,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (291)] Waiting until timeout for monitored process [2023-12-02 21:31:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:38,850 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:38,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:31:38,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:39,003 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:39,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (291)] Ended with exit code 0 [2023-12-02 21:31:39,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:39,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:39,014 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:39,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:39,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:39,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:39,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:39,015 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:39,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (292)] Waiting until timeout for monitored process [2023-12-02 21:31:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:39,417 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:39,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:39,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:39,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:39,519 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:39,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (292)] Ended with exit code 0 [2023-12-02 21:31:39,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:39,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:39,530 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:39,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:39,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:39,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:39,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:39,531 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:39,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (293)] Waiting until timeout for monitored process [2023-12-02 21:31:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:39,903 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:39,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:39,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:40,021 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:40,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (293)] Ended with exit code 0 [2023-12-02 21:31:40,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:40,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:40,031 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:40,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:40,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:40,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:40,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:40,032 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:40,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (294)] Waiting until timeout for monitored process [2023-12-02 21:31:40,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:40,437 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:40,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:40,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:40,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:40,552 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:40,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (294)] Ended with exit code 0 [2023-12-02 21:31:40,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:40,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:40,561 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:40,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:40,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:40,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:40,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:40,562 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:40,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (295)] Waiting until timeout for monitored process [2023-12-02 21:31:40,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:40,962 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:40,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:40,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:40,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:41,058 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:41,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (295)] Ended with exit code 0 [2023-12-02 21:31:41,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:41,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:41,068 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:41,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:41,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:41,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:41,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:41,069 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:41,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (296)] Waiting until timeout for monitored process [2023-12-02 21:31:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:41,424 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:41,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:41,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:31:41,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:41,594 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:41,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (296)] Ended with exit code 0 [2023-12-02 21:31:41,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:41,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:41,605 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:41,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:41,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:41,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:41,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:41,606 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:41,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (297)] Waiting until timeout for monitored process [2023-12-02 21:31:42,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:42,003 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:42,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:42,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:42,138 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:42,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (297)] Ended with exit code 0 [2023-12-02 21:31:42,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:42,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:42,147 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:42,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:42,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:42,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:42,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:42,148 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:42,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (298)] Waiting until timeout for monitored process [2023-12-02 21:31:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:42,529 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:42,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:42,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:42,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:42,645 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:42,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (298)] Ended with exit code 0 [2023-12-02 21:31:42,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:42,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:42,654 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:42,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:42,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:42,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:42,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:42,655 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:42,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (299)] Waiting until timeout for monitored process [2023-12-02 21:31:43,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:43,028 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:43,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:43,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:43,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:43,137 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:43,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (299)] Ended with exit code 0 [2023-12-02 21:31:43,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:43,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:43,146 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:43,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:43,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:43,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:43,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:43,147 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:43,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (300)] Waiting until timeout for monitored process [2023-12-02 21:31:43,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:43,553 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:43,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:43,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:43,665 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:43,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (300)] Ended with exit code 0 [2023-12-02 21:31:43,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:43,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:43,675 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:43,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:43,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:43,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:43,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:43,676 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:43,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (301)] Waiting until timeout for monitored process [2023-12-02 21:31:44,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:44,100 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:44,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:44,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:44,201 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:44,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (301)] Ended with exit code 0 [2023-12-02 21:31:44,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:44,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:44,211 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:44,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:44,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:44,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:44,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:44,212 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:44,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (302)] Waiting until timeout for monitored process [2023-12-02 21:31:44,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:44,621 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:44,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:44,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:31:44,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:44,793 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:44,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (302)] Forceful destruction successful, exit code 0 [2023-12-02 21:31:44,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:44,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:44,803 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:44,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:44,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:44,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:44,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:44,805 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:44,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (303)] Waiting until timeout for monitored process [2023-12-02 21:31:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:45,217 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:45,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:45,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:31:45,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:45,396 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:45,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (303)] Ended with exit code 0 [2023-12-02 21:31:45,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:45,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:45,407 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:45,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:45,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:45,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:45,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:45,408 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:45,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (304)] Waiting until timeout for monitored process [2023-12-02 21:31:45,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:45,853 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:45,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:45,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:45,967 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:45,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (304)] Ended with exit code 0 [2023-12-02 21:31:45,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:45,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:45,977 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:45,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:45,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:45,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:45,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:45,978 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:45,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (305)] Waiting until timeout for monitored process [2023-12-02 21:31:46,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:46,400 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:46,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:46,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:46,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:46,518 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:46,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (305)] Ended with exit code 0 [2023-12-02 21:31:46,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:46,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:46,527 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:46,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:46,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:46,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:46,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:46,529 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:46,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (306)] Waiting until timeout for monitored process [2023-12-02 21:31:46,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:46,944 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:46,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:46,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:31:46,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:47,109 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:47,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (306)] Ended with exit code 0 [2023-12-02 21:31:47,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:47,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:47,119 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:47,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:47,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:47,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:47,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:47,120 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:47,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (307)] Waiting until timeout for monitored process [2023-12-02 21:31:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:47,509 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:47,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:47,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:47,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:47,610 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:47,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (307)] Ended with exit code 0 [2023-12-02 21:31:47,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:47,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:47,621 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:47,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:47,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:47,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:47,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:47,622 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:47,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (308)] Waiting until timeout for monitored process [2023-12-02 21:31:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:48,050 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:48,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:48,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:48,158 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:48,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (308)] Ended with exit code 0 [2023-12-02 21:31:48,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:48,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:48,167 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:48,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:48,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:48,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:48,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:48,168 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:48,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (309)] Waiting until timeout for monitored process [2023-12-02 21:31:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:48,601 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:48,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:48,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:48,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:48,697 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:48,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (309)] Ended with exit code 0 [2023-12-02 21:31:48,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:48,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:48,706 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:48,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:48,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:48,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:48,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:48,707 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:48,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (310)] Waiting until timeout for monitored process [2023-12-02 21:31:49,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:49,122 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:49,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:49,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:49,221 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:49,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (310)] Ended with exit code 0 [2023-12-02 21:31:49,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:49,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:49,232 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:49,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:49,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:49,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:49,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:49,233 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:49,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (311)] Waiting until timeout for monitored process [2023-12-02 21:31:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:49,613 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:49,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:49,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:49,752 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:49,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (311)] Ended with exit code 0 [2023-12-02 21:31:49,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:49,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:49,761 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:49,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:49,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:49,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:49,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:49,763 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:49,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (312)] Waiting until timeout for monitored process [2023-12-02 21:31:50,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:50,129 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:50,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:50,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:50,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:50,230 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:50,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (312)] Ended with exit code 0 [2023-12-02 21:31:50,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:50,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:50,239 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:50,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:50,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:50,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:50,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:50,240 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:50,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (313)] Waiting until timeout for monitored process [2023-12-02 21:31:50,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:50,675 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:50,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:50,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:50,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:50,790 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:50,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (313)] Ended with exit code 0 [2023-12-02 21:31:50,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:50,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:50,800 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:50,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:50,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:50,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:50,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:50,801 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:50,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (314)] Waiting until timeout for monitored process [2023-12-02 21:31:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:51,178 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:51,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:51,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:51,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:51,300 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:51,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (314)] Ended with exit code 0 [2023-12-02 21:31:51,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:51,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:51,309 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:51,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:51,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:51,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:51,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:51,310 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:51,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (315)] Waiting until timeout for monitored process [2023-12-02 21:31:51,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:51,721 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:51,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:51,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:51,835 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:51,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (315)] Ended with exit code 0 [2023-12-02 21:31:51,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:51,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:51,851 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:51,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:51,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:51,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:51,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:51,852 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:51,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (316)] Waiting until timeout for monitored process [2023-12-02 21:31:52,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:52,248 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:52,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:52,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:52,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:52,354 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:52,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (316)] Ended with exit code 0 [2023-12-02 21:31:52,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:52,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:52,364 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:52,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:52,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:52,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:52,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:52,365 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:52,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (317)] Waiting until timeout for monitored process [2023-12-02 21:31:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:52,767 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:52,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:52,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:31:52,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:52,890 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:52,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (317)] Ended with exit code 0 [2023-12-02 21:31:52,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:52,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:52,900 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:52,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:52,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:52,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:52,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:52,901 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:52,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (318)] Waiting until timeout for monitored process [2023-12-02 21:31:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:53,332 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:53,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:53,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:53,447 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:53,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (318)] Ended with exit code 0 [2023-12-02 21:31:53,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:53,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:53,458 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:53,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:53,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:53,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:53,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:53,459 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:53,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (319)] Waiting until timeout for monitored process [2023-12-02 21:31:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:53,895 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:53,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:53,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:54,015 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:54,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (319)] Ended with exit code 0 [2023-12-02 21:31:54,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:54,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:54,024 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:54,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:54,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:54,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:54,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:54,025 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:54,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (320)] Waiting until timeout for monitored process [2023-12-02 21:31:54,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:54,437 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:54,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:54,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:54,585 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:54,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (320)] Ended with exit code 0 [2023-12-02 21:31:54,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:54,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:54,595 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:54,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:54,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:54,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:54,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:54,596 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:54,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (321)] Waiting until timeout for monitored process [2023-12-02 21:31:55,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:55,014 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:55,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:55,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:55,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:55,114 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:55,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (321)] Ended with exit code 0 [2023-12-02 21:31:55,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:55,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:55,124 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:55,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:55,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:55,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:55,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:55,125 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:55,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (322)] Waiting until timeout for monitored process [2023-12-02 21:31:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:55,517 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:55,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:55,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:55,645 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:55,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (322)] Ended with exit code 0 [2023-12-02 21:31:55,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:55,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:55,656 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:55,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:55,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:55,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:55,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:55,657 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:55,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (323)] Waiting until timeout for monitored process [2023-12-02 21:31:56,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:56,128 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:56,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:56,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:56,247 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:56,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (323)] Ended with exit code 0 [2023-12-02 21:31:56,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:56,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:56,257 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:56,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:56,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:56,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:56,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:56,258 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:56,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (324)] Waiting until timeout for monitored process [2023-12-02 21:31:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:56,656 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:56,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:56,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:56,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:56,762 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:56,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (324)] Ended with exit code 0 [2023-12-02 21:31:56,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:56,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:56,773 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:56,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:56,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:56,773 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:56,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:56,774 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:56,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (325)] Waiting until timeout for monitored process [2023-12-02 21:31:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:57,251 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:57,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:57,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:57,374 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:57,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (325)] Ended with exit code 0 [2023-12-02 21:31:57,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:57,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:57,384 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:57,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:57,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:57,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:57,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:57,385 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:57,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (326)] Waiting until timeout for monitored process [2023-12-02 21:31:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:57,820 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:57,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:57,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:57,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:57,922 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:57,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (326)] Ended with exit code 0 [2023-12-02 21:31:57,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:57,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:57,932 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:57,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:57,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:57,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:57,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:57,933 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:57,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (327)] Waiting until timeout for monitored process [2023-12-02 21:31:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:58,322 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:58,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:58,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:58,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:58,427 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:58,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (327)] Ended with exit code 0 [2023-12-02 21:31:58,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:58,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:58,436 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:58,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:58,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:58,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:58,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:58,437 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:58,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (328)] Waiting until timeout for monitored process [2023-12-02 21:31:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:58,892 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:58,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:58,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:58,997 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:59,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (328)] Ended with exit code 0 [2023-12-02 21:31:59,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:59,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:59,007 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:59,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:59,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:59,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:59,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:59,008 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:59,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (329)] Waiting until timeout for monitored process [2023-12-02 21:31:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:59,455 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:59,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:31:59,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:59,562 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:31:59,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (329)] Ended with exit code 0 [2023-12-02 21:31:59,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:59,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:31:59,572 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:31:59,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:31:59,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:59,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:59,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:59,573 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:59,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (330)] Waiting until timeout for monitored process [2023-12-02 21:31:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:59,988 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:00,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:32:00,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:00,096 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:00,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (330)] Ended with exit code 0 [2023-12-02 21:32:00,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:00,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:00,107 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:00,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:00,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:00,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:00,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:00,108 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:00,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (331)] Waiting until timeout for monitored process [2023-12-02 21:32:00,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:00,556 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:00,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:00,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:32:00,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:00,656 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:00,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (331)] Ended with exit code 0 [2023-12-02 21:32:00,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:00,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:00,666 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:00,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:00,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:00,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:00,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:00,667 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:00,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (332)] Waiting until timeout for monitored process [2023-12-02 21:32:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:01,108 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:01,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:01,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:32:01,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:01,221 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:01,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (332)] Ended with exit code 0 [2023-12-02 21:32:01,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:01,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:01,232 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:01,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:01,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:01,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:01,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:01,233 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:01,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (333)] Waiting until timeout for monitored process [2023-12-02 21:32:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:01,651 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:01,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:32:01,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:01,751 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:01,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (333)] Ended with exit code 0 [2023-12-02 21:32:01,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:01,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:01,760 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:01,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:01,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:01,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:01,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:01,761 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:01,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (334)] Waiting until timeout for monitored process [2023-12-02 21:32:02,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:02,166 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:02,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:32:02,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:02,338 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:02,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (334)] Ended with exit code 0 [2023-12-02 21:32:02,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:02,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:02,348 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:02,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:02,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:02,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:02,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:02,349 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:02,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (335)] Waiting until timeout for monitored process [2023-12-02 21:32:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:02,737 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:02,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:02,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:32:02,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:02,857 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:02,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (335)] Ended with exit code 0 [2023-12-02 21:32:02,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:02,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:02,866 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:02,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:02,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:02,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:02,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:02,868 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:02,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (336)] Waiting until timeout for monitored process [2023-12-02 21:32:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:03,322 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:03,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:32:03,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:03,455 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:03,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (336)] Ended with exit code 0 [2023-12-02 21:32:03,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:03,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:03,469 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:03,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:03,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:03,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:03,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:03,470 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:03,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (337)] Waiting until timeout for monitored process [2023-12-02 21:32:03,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:03,920 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:03,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:32:03,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:04,097 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:04,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (337)] Forceful destruction successful, exit code 0 [2023-12-02 21:32:04,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:04,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:04,108 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:04,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:04,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:04,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:04,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:04,110 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:04,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (338)] Waiting until timeout for monitored process [2023-12-02 21:32:04,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:04,560 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:04,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:04,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:32:04,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:04,656 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:04,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (338)] Ended with exit code 0 [2023-12-02 21:32:04,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:04,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:04,665 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:04,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:04,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:04,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:04,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:04,666 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:04,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (339)] Waiting until timeout for monitored process [2023-12-02 21:32:05,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:05,118 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:05,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:32:05,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:05,222 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:05,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (339)] Ended with exit code 0 [2023-12-02 21:32:05,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:05,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:05,232 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:05,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:05,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:05,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:05,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:05,233 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:05,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (340)] Waiting until timeout for monitored process [2023-12-02 21:32:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:05,633 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:05,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:32:05,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:05,801 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:05,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (340)] Ended with exit code 0 [2023-12-02 21:32:05,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:05,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:05,813 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:05,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:05,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:05,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:05,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:05,814 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:05,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (341)] Waiting until timeout for monitored process [2023-12-02 21:32:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:06,280 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:06,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:32:06,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:06,432 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:06,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (341)] Ended with exit code 0 [2023-12-02 21:32:06,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:06,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:06,442 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:06,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:06,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:06,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:06,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:06,443 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:06,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (342)] Waiting until timeout for monitored process [2023-12-02 21:32:06,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:06,926 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:06,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:06,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:32:06,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:07,030 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:07,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (342)] Ended with exit code 0 [2023-12-02 21:32:07,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:07,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:07,040 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:07,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:07,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:07,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:07,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:07,042 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:07,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (343)] Waiting until timeout for monitored process [2023-12-02 21:32:07,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:07,523 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:07,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:32:07,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:07,623 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:07,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (343)] Ended with exit code 0 [2023-12-02 21:32:07,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:07,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:07,632 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:07,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:07,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:07,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:07,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:07,633 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:07,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (344)] Waiting until timeout for monitored process [2023-12-02 21:32:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:08,085 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:08,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:08,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:32:08,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:08,263 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:08,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (344)] Forceful destruction successful, exit code 0 [2023-12-02 21:32:08,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:08,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:08,274 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:08,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:08,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:08,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:08,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:08,275 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:08,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (345)] Waiting until timeout for monitored process [2023-12-02 21:32:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:08,748 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:08,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:08,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:32:08,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:08,904 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:08,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (345)] Ended with exit code 0 [2023-12-02 21:32:08,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:08,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:08,916 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:08,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:08,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:08,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:08,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:08,917 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:08,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (346)] Waiting until timeout for monitored process [2023-12-02 21:32:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:09,382 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:09,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:09,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:32:09,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:09,566 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:09,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (346)] Ended with exit code 0 [2023-12-02 21:32:09,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:09,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:09,576 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:09,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:09,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:09,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:09,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:09,577 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:09,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (347)] Waiting until timeout for monitored process [2023-12-02 21:32:10,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:10,045 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:10,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:10,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:32:10,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:10,141 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:10,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (347)] Ended with exit code 0 [2023-12-02 21:32:10,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:10,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:10,151 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:10,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:10,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:10,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:10,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:10,152 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:10,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (348)] Waiting until timeout for monitored process [2023-12-02 21:32:10,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:10,627 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:10,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:10,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:32:10,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:10,717 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:10,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (348)] Ended with exit code 0 [2023-12-02 21:32:10,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:10,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:10,726 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:10,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:10,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:10,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:10,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:10,727 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:10,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (349)] Waiting until timeout for monitored process [2023-12-02 21:32:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:11,197 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:11,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:11,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:32:11,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:11,295 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:11,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (349)] Ended with exit code 0 [2023-12-02 21:32:11,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:11,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:11,305 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:11,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:11,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:11,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:11,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:11,306 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:11,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (350)] Waiting until timeout for monitored process [2023-12-02 21:32:11,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:11,768 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:11,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:32:11,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:11,976 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:11,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (350)] Ended with exit code 0 [2023-12-02 21:32:11,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:11,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:11,988 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:11,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:11,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:11,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:11,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:11,989 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:11,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (351)] Waiting until timeout for monitored process [2023-12-02 21:32:12,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:12,487 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:12,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:12,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:32:12,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:12,577 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:12,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (351)] Ended with exit code 0 [2023-12-02 21:32:12,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:12,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:12,588 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:12,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:12,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:12,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:12,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:12,589 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:12,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (352)] Waiting until timeout for monitored process [2023-12-02 21:32:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:13,046 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:13,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:13,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:32:13,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:13,159 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:13,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (352)] Ended with exit code 0 [2023-12-02 21:32:13,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:13,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:13,170 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:13,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:13,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:13,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:13,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:13,171 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:13,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (353)] Waiting until timeout for monitored process [2023-12-02 21:32:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:13,613 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:13,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:32:13,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:13,736 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:13,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (353)] Ended with exit code 0 [2023-12-02 21:32:13,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:13,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:13,746 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:13,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:13,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:13,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:13,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:13,747 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:13,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (354)] Waiting until timeout for monitored process [2023-12-02 21:32:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:14,297 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:14,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:14,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:32:14,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:14,398 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:14,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (354)] Ended with exit code 0 [2023-12-02 21:32:14,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:14,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:14,411 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:14,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:14,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:14,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:14,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:14,412 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:14,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (355)] Waiting until timeout for monitored process [2023-12-02 21:32:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:14,872 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:14,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:14,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:32:14,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:14,969 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:14,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (355)] Ended with exit code 0 [2023-12-02 21:32:14,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:14,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:14,979 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:14,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:14,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:14,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:14,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:14,980 INFO L229 MonitoredProcess]: Starting monitored process 356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:14,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (356)] Waiting until timeout for monitored process [2023-12-02 21:32:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:15,444 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:15,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:15,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:32:15,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:15,618 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:15,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (356)] Ended with exit code 0 [2023-12-02 21:32:15,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:15,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:15,629 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:15,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:15,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:15,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:15,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:15,630 INFO L229 MonitoredProcess]: Starting monitored process 357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:15,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (357)] Waiting until timeout for monitored process [2023-12-02 21:32:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:16,078 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:16,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:32:16,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:16,211 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:16,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (357)] Ended with exit code 0 [2023-12-02 21:32:16,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:16,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:16,221 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:16,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:16,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:16,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:16,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:16,222 INFO L229 MonitoredProcess]: Starting monitored process 358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:16,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (358)] Waiting until timeout for monitored process [2023-12-02 21:32:16,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:16,661 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:16,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:16,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:32:16,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:16,821 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:16,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (358)] Forceful destruction successful, exit code 0 [2023-12-02 21:32:16,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:16,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:16,833 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:16,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:16,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:16,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:16,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:16,834 INFO L229 MonitoredProcess]: Starting monitored process 359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:16,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (359)] Waiting until timeout for monitored process [2023-12-02 21:32:17,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:17,265 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:17,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:17,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:32:17,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:17,387 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:17,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (359)] Ended with exit code 0 [2023-12-02 21:32:17,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:17,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:17,399 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:17,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:17,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:17,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:17,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:17,400 INFO L229 MonitoredProcess]: Starting monitored process 360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:17,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (360)] Waiting until timeout for monitored process [2023-12-02 21:32:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:17,861 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:17,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:32:17,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:18,100 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:18,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (360)] Ended with exit code 0 [2023-12-02 21:32:18,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:18,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:18,111 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:18,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:18,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:18,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:18,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:18,113 INFO L229 MonitoredProcess]: Starting monitored process 361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:18,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (361)] Waiting until timeout for monitored process [2023-12-02 21:32:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:18,534 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:18,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:18,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:32:18,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:18,668 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:18,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (361)] Ended with exit code 0 [2023-12-02 21:32:18,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:18,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:18,679 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:18,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:18,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:18,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:18,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:18,680 INFO L229 MonitoredProcess]: Starting monitored process 362 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:18,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (362)] Waiting until timeout for monitored process [2023-12-02 21:32:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:19,129 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:19,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:19,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:32:19,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:19,297 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:19,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (362)] Ended with exit code 0 [2023-12-02 21:32:19,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:19,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:19,308 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:19,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:19,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:19,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:19,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:19,309 INFO L229 MonitoredProcess]: Starting monitored process 363 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:19,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (363)] Waiting until timeout for monitored process [2023-12-02 21:32:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:19,733 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:19,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:32:19,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:19,839 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:19,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (363)] Ended with exit code 0 [2023-12-02 21:32:19,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:19,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:19,848 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:19,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:19,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:19,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:19,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:19,850 INFO L229 MonitoredProcess]: Starting monitored process 364 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:19,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (364)] Waiting until timeout for monitored process [2023-12-02 21:32:20,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:20,269 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:20,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:32:20,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:20,387 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:20,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (364)] Ended with exit code 0 [2023-12-02 21:32:20,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:20,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:20,397 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:20,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:20,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:20,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:20,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:20,398 INFO L229 MonitoredProcess]: Starting monitored process 365 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:20,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (365)] Waiting until timeout for monitored process [2023-12-02 21:32:20,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:20,876 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:20,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 21:32:20,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:21,043 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:21,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (365)] Ended with exit code 0 [2023-12-02 21:32:21,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:21,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:21,061 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:21,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:21,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:21,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:21,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:21,062 INFO L229 MonitoredProcess]: Starting monitored process 366 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:21,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (366)] Waiting until timeout for monitored process [2023-12-02 21:32:21,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:21,484 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:21,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:32:21,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:21,581 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:21,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (366)] Ended with exit code 0 [2023-12-02 21:32:21,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:21,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:21,591 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:21,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:21,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:21,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:21,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:21,592 INFO L229 MonitoredProcess]: Starting monitored process 367 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:21,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (367)] Waiting until timeout for monitored process [2023-12-02 21:32:22,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:22,051 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:22,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:22,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:32:22,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:22,215 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:22,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (367)] Ended with exit code 0 [2023-12-02 21:32:22,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:22,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:22,226 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:22,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:22,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:22,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:22,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:22,227 INFO L229 MonitoredProcess]: Starting monitored process 368 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:22,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (368)] Waiting until timeout for monitored process [2023-12-02 21:32:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:22,692 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:22,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:32:22,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:22,800 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:22,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (368)] Ended with exit code 0 [2023-12-02 21:32:22,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:22,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:22,811 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:22,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:22,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:22,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:22,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:22,812 INFO L229 MonitoredProcess]: Starting monitored process 369 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:22,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (369)] Waiting until timeout for monitored process [2023-12-02 21:32:23,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:23,244 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:23,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:23,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:32:23,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:23,352 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:23,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (369)] Ended with exit code 0 [2023-12-02 21:32:23,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:23,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:23,363 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:23,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:23,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:23,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:23,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:23,364 INFO L229 MonitoredProcess]: Starting monitored process 370 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:23,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (370)] Waiting until timeout for monitored process [2023-12-02 21:32:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:23,809 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:23,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:23,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:32:23,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:23,925 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:23,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (370)] Ended with exit code 0 [2023-12-02 21:32:23,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:23,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:23,935 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:32:23,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:23,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:23,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:23,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:23,936 INFO L229 MonitoredProcess]: Starting monitored process 371 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:23,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (371)] Waiting until timeout for monitored process [2023-12-02 21:32:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:24,350 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:24,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:24,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:32:24,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:24,447 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:32:24,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (371)] Ended with exit code 0 [2023-12-02 21:32:24,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:24,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:32:24,457 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. WARNING: YOUR LOGFILE WAS TOO LONG, SOME LINES IN THE MIDDLE WERE REMOVED. [2023-12-02 21:36:19,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:19,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:19,163 INFO L229 MonitoredProcess]: Starting monitored process 695 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:19,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (695)] Waiting until timeout for monitored process [2023-12-02 21:36:19,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:19,966 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:20,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:20,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:36:20,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:20,091 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:20,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (695)] Forceful destruction successful, exit code 0 [2023-12-02 21:36:20,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:20,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:20,107 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:20,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:20,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:20,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:20,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:20,108 INFO L229 MonitoredProcess]: Starting monitored process 696 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:20,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (696)] Waiting until timeout for monitored process [2023-12-02 21:36:20,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:20,697 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:20,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:36:20,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:20,798 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:20,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (696)] Ended with exit code 0 [2023-12-02 21:36:20,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:20,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:20,814 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:20,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:20,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:20,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:20,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:20,815 INFO L229 MonitoredProcess]: Starting monitored process 697 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:20,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (697)] Waiting until timeout for monitored process [2023-12-02 21:36:21,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:21,531 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:21,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:36:21,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:21,650 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:21,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (697)] Ended with exit code 0 [2023-12-02 21:36:21,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:21,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:21,665 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:21,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:21,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:21,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:21,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:21,666 INFO L229 MonitoredProcess]: Starting monitored process 698 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:21,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (698)] Waiting until timeout for monitored process [2023-12-02 21:36:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:22,401 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:22,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:36:22,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:22,507 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:22,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (698)] Forceful destruction successful, exit code 0 [2023-12-02 21:36:22,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:22,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:22,522 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:22,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:22,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:22,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:22,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:22,523 INFO L229 MonitoredProcess]: Starting monitored process 699 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:22,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (699)] Waiting until timeout for monitored process [2023-12-02 21:36:23,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:23,164 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:23,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:23,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:36:23,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:23,273 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:23,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (699)] Ended with exit code 0 [2023-12-02 21:36:23,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:23,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:23,289 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:23,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:23,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:23,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:23,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:23,290 INFO L229 MonitoredProcess]: Starting monitored process 700 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:23,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (700)] Waiting until timeout for monitored process [2023-12-02 21:36:24,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:24,028 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:24,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:24,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:36:24,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:24,126 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:24,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (700)] Ended with exit code 0 [2023-12-02 21:36:24,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:24,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:24,142 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:24,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:24,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:24,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:24,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:24,144 INFO L229 MonitoredProcess]: Starting monitored process 701 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:24,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (701)] Waiting until timeout for monitored process [2023-12-02 21:36:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:24,789 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:24,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:24,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 21:36:24,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:24,939 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:24,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (701)] Ended with exit code 0 [2023-12-02 21:36:24,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:24,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:24,956 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:24,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:24,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:24,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:24,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:24,957 INFO L229 MonitoredProcess]: Starting monitored process 702 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:24,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (702)] Waiting until timeout for monitored process [2023-12-02 21:36:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:25,636 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:25,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:25,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:36:25,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:25,787 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:25,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (702)] Ended with exit code 0 [2023-12-02 21:36:25,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:25,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:25,802 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:25,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:25,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:25,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:25,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:25,803 INFO L229 MonitoredProcess]: Starting monitored process 703 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:25,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (703)] Waiting until timeout for monitored process [2023-12-02 21:36:26,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:26,550 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:26,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:36:26,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:26,674 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:26,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (703)] Ended with exit code 0 [2023-12-02 21:36:26,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:26,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:26,690 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:26,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:26,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:26,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:26,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:26,691 INFO L229 MonitoredProcess]: Starting monitored process 704 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:26,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (704)] Waiting until timeout for monitored process [2023-12-02 21:36:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:27,454 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:27,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:36:27,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:27,642 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:27,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (704)] Ended with exit code 0 [2023-12-02 21:36:27,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:27,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:27,658 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:27,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:27,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:27,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:27,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:27,659 INFO L229 MonitoredProcess]: Starting monitored process 705 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:27,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (705)] Waiting until timeout for monitored process [2023-12-02 21:36:28,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:28,394 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:28,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:36:28,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:28,570 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:28,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (705)] Ended with exit code 0 [2023-12-02 21:36:28,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:28,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:28,587 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:28,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:28,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:28,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:28,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:28,588 INFO L229 MonitoredProcess]: Starting monitored process 706 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:28,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (706)] Waiting until timeout for monitored process [2023-12-02 21:36:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:29,337 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:29,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:36:29,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:29,447 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:29,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (706)] Ended with exit code 0 [2023-12-02 21:36:29,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:29,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:29,463 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:29,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:29,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:29,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:29,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:29,464 INFO L229 MonitoredProcess]: Starting monitored process 707 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:29,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (707)] Waiting until timeout for monitored process [2023-12-02 21:36:30,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:30,209 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:30,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:30,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:36:30,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:30,311 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:30,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (707)] Ended with exit code 0 [2023-12-02 21:36:30,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:30,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:30,330 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:30,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:30,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:30,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:30,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:30,331 INFO L229 MonitoredProcess]: Starting monitored process 708 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:30,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (708)] Waiting until timeout for monitored process [2023-12-02 21:36:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:30,949 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:30,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:36:30,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:31,048 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:31,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (708)] Ended with exit code 0 [2023-12-02 21:36:31,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:31,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:31,063 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:31,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:31,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:31,063 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:31,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:31,064 INFO L229 MonitoredProcess]: Starting monitored process 709 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:31,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (709)] Waiting until timeout for monitored process [2023-12-02 21:36:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:31,677 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:31,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:31,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:36:31,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:31,795 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:31,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (709)] Ended with exit code 0 [2023-12-02 21:36:31,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:31,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:31,810 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:31,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:31,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:31,810 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:31,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:31,811 INFO L229 MonitoredProcess]: Starting monitored process 710 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:31,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (710)] Waiting until timeout for monitored process [2023-12-02 21:36:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:32,560 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:32,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:32,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:36:32,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:32,657 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:32,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (710)] Ended with exit code 0 [2023-12-02 21:36:32,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:32,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:32,672 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:32,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:32,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:32,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:32,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:32,673 INFO L229 MonitoredProcess]: Starting monitored process 711 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:32,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (711)] Waiting until timeout for monitored process [2023-12-02 21:36:33,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:33,405 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:33,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:33,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:36:33,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:33,504 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:33,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (711)] Ended with exit code 0 [2023-12-02 21:36:33,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:33,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:33,519 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:33,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:33,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:33,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:33,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:33,520 INFO L229 MonitoredProcess]: Starting monitored process 712 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:33,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (712)] Waiting until timeout for monitored process [2023-12-02 21:36:34,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:34,373 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:34,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:34,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:36:34,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:34,481 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:34,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (712)] Ended with exit code 0 [2023-12-02 21:36:34,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:34,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:34,497 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:34,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:34,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:34,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:34,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:34,498 INFO L229 MonitoredProcess]: Starting monitored process 713 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:34,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (713)] Waiting until timeout for monitored process [2023-12-02 21:36:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:35,194 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:35,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:36:35,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:35,296 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:35,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (713)] Ended with exit code 0 [2023-12-02 21:36:35,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:35,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:35,311 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:35,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:35,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:35,312 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:35,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:35,312 INFO L229 MonitoredProcess]: Starting monitored process 714 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:35,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (714)] Waiting until timeout for monitored process [2023-12-02 21:36:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:36,065 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:36,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:36,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:36:36,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:36,168 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:36,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (714)] Ended with exit code 0 [2023-12-02 21:36:36,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:36,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:36,183 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:36,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:36,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:36,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:36,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:36,184 INFO L229 MonitoredProcess]: Starting monitored process 715 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:36,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (715)] Waiting until timeout for monitored process [2023-12-02 21:36:36,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:36,933 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:36,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:36:36,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:37,078 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:37,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (715)] Ended with exit code 0 [2023-12-02 21:36:37,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:37,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:37,094 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:37,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:37,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:37,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:37,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:37,095 INFO L229 MonitoredProcess]: Starting monitored process 716 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:37,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (716)] Waiting until timeout for monitored process [2023-12-02 21:36:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:37,874 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:37,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:37,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:36:37,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:38,017 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:38,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (716)] Ended with exit code 0 [2023-12-02 21:36:38,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:38,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:38,034 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:38,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:38,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:38,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:38,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:38,035 INFO L229 MonitoredProcess]: Starting monitored process 717 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:38,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (717)] Waiting until timeout for monitored process [2023-12-02 21:36:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:38,665 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:38,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:36:38,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:38,771 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:38,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (717)] Ended with exit code 0 [2023-12-02 21:36:38,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:38,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:38,787 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:38,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:38,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:38,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:38,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:38,788 INFO L229 MonitoredProcess]: Starting monitored process 718 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:38,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (718)] Waiting until timeout for monitored process [2023-12-02 21:36:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:39,502 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:39,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:36:39,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:39,613 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:39,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (718)] Ended with exit code 0 [2023-12-02 21:36:39,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:39,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:39,628 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:39,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:39,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:39,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:39,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:39,629 INFO L229 MonitoredProcess]: Starting monitored process 719 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:39,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (719)] Waiting until timeout for monitored process [2023-12-02 21:36:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:40,313 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:40,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:36:40,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:40,468 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:40,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (719)] Ended with exit code 0 [2023-12-02 21:36:40,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:40,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:40,483 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:40,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:40,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:40,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:40,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:40,485 INFO L229 MonitoredProcess]: Starting monitored process 720 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:40,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (720)] Waiting until timeout for monitored process [2023-12-02 21:36:41,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:41,252 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:41,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:36:41,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:41,392 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:41,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (720)] Ended with exit code 0 [2023-12-02 21:36:41,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:41,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:41,407 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:41,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:41,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:41,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:41,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:41,408 INFO L229 MonitoredProcess]: Starting monitored process 721 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:41,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (721)] Waiting until timeout for monitored process [2023-12-02 21:36:42,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:42,131 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:42,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:36:42,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:42,274 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:42,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (721)] Ended with exit code 0 [2023-12-02 21:36:42,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:42,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:42,292 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:42,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:42,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:42,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:42,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:42,293 INFO L229 MonitoredProcess]: Starting monitored process 722 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:42,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (722)] Waiting until timeout for monitored process [2023-12-02 21:36:43,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:43,055 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:43,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:43,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:36:43,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:43,150 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:43,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (722)] Ended with exit code 0 [2023-12-02 21:36:43,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:43,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:43,165 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:43,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:43,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:43,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:43,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:43,166 INFO L229 MonitoredProcess]: Starting monitored process 723 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:43,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (723)] Waiting until timeout for monitored process [2023-12-02 21:36:43,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:43,858 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:43,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:43,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:36:43,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:43,954 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:43,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (723)] Ended with exit code 0 [2023-12-02 21:36:43,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:43,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:43,969 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:43,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:43,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:43,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:43,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:43,970 INFO L229 MonitoredProcess]: Starting monitored process 724 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:43,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (724)] Waiting until timeout for monitored process [2023-12-02 21:36:44,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:44,739 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:44,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:44,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:36:44,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:45,142 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:45,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (724)] Ended with exit code 0 [2023-12-02 21:36:45,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:45,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:45,160 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:45,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:45,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:45,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:45,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:45,161 INFO L229 MonitoredProcess]: Starting monitored process 725 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:45,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (725)] Waiting until timeout for monitored process [2023-12-02 21:36:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:45,879 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:45,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:36:45,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:46,022 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:46,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (725)] Ended with exit code 0 [2023-12-02 21:36:46,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:46,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:46,038 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:46,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:46,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:46,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:46,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:46,039 INFO L229 MonitoredProcess]: Starting monitored process 726 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:46,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (726)] Waiting until timeout for monitored process [2023-12-02 21:36:46,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:46,760 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:46,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:36:46,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:46,849 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:46,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (726)] Ended with exit code 0 [2023-12-02 21:36:46,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:46,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:46,869 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:46,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:46,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:46,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:46,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:46,870 INFO L229 MonitoredProcess]: Starting monitored process 727 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:46,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (727)] Waiting until timeout for monitored process [2023-12-02 21:36:47,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:47,487 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:47,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:47,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:36:47,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:47,589 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:47,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (727)] Ended with exit code 0 [2023-12-02 21:36:47,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:47,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:47,604 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:47,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:47,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:47,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:47,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:47,605 INFO L229 MonitoredProcess]: Starting monitored process 728 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:47,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (728)] Waiting until timeout for monitored process [2023-12-02 21:36:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:48,317 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:48,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:48,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:36:48,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:48,425 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:48,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (728)] Ended with exit code 0 [2023-12-02 21:36:48,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:48,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:48,441 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:48,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:48,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:48,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:48,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:48,442 INFO L229 MonitoredProcess]: Starting monitored process 729 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:48,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (729)] Waiting until timeout for monitored process [2023-12-02 21:36:49,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:49,211 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:49,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:49,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:36:49,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:49,311 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:49,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (729)] Ended with exit code 0 [2023-12-02 21:36:49,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:49,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:49,327 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:49,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:49,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:49,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:49,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:49,328 INFO L229 MonitoredProcess]: Starting monitored process 730 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:49,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (730)] Waiting until timeout for monitored process [2023-12-02 21:36:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:50,022 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:50,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:50,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:36:50,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:50,130 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:50,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (730)] Ended with exit code 0 [2023-12-02 21:36:50,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:50,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:50,145 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:50,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:50,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:50,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:50,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:50,146 INFO L229 MonitoredProcess]: Starting monitored process 731 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:50,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (731)] Waiting until timeout for monitored process [2023-12-02 21:36:50,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:50,851 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:50,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:36:50,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:50,989 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:50,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (731)] Ended with exit code 0 [2023-12-02 21:36:51,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:51,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:51,006 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:51,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:51,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:51,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:51,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:51,007 INFO L229 MonitoredProcess]: Starting monitored process 732 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:51,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (732)] Waiting until timeout for monitored process [2023-12-02 21:36:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:51,690 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:51,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:51,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:36:51,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:51,789 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:51,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (732)] Ended with exit code 0 [2023-12-02 21:36:51,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:51,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:51,804 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:51,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:51,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:51,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:51,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:51,805 INFO L229 MonitoredProcess]: Starting monitored process 733 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:51,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (733)] Waiting until timeout for monitored process [2023-12-02 21:36:52,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:52,561 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:52,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:52,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:36:52,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:52,668 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:52,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (733)] Ended with exit code 0 [2023-12-02 21:36:52,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:52,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:52,684 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:52,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:52,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:52,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:52,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:52,685 INFO L229 MonitoredProcess]: Starting monitored process 734 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:52,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (734)] Waiting until timeout for monitored process [2023-12-02 21:36:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:53,454 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:53,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:36:53,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:53,552 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:53,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (734)] Ended with exit code 0 [2023-12-02 21:36:53,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:53,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:53,567 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:53,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:53,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:53,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:53,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:53,569 INFO L229 MonitoredProcess]: Starting monitored process 735 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:53,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (735)] Waiting until timeout for monitored process [2023-12-02 21:36:54,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:54,253 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:54,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:54,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:36:54,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:54,452 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:54,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (735)] Ended with exit code 0 [2023-12-02 21:36:54,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:54,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:54,470 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:54,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:54,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:54,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:54,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:54,472 INFO L229 MonitoredProcess]: Starting monitored process 736 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:54,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (736)] Waiting until timeout for monitored process [2023-12-02 21:36:55,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:55,191 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:55,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:36:55,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:55,289 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:55,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (736)] Ended with exit code 0 [2023-12-02 21:36:55,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:55,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:55,305 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:55,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:55,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:55,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:55,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:55,306 INFO L229 MonitoredProcess]: Starting monitored process 737 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:55,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (737)] Waiting until timeout for monitored process [2023-12-02 21:36:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:56,070 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:56,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:36:56,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:56,179 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:56,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (737)] Ended with exit code 0 [2023-12-02 21:36:56,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:56,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:56,194 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:56,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:56,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:56,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:56,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:56,195 INFO L229 MonitoredProcess]: Starting monitored process 738 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:56,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (738)] Waiting until timeout for monitored process [2023-12-02 21:36:56,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:56,861 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:56,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:56,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:36:56,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:56,966 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:56,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (738)] Ended with exit code 0 [2023-12-02 21:36:56,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:56,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:56,981 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:56,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:56,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:56,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:56,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:56,982 INFO L229 MonitoredProcess]: Starting monitored process 739 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:56,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (739)] Waiting until timeout for monitored process [2023-12-02 21:36:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:57,724 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:57,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:36:57,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:57,887 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:57,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (739)] Ended with exit code 0 [2023-12-02 21:36:57,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:57,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:57,904 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:57,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:57,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:57,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:57,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:57,905 INFO L229 MonitoredProcess]: Starting monitored process 740 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:57,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (740)] Waiting until timeout for monitored process [2023-12-02 21:36:58,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:58,674 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:58,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:36:58,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:58,784 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:58,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (740)] Ended with exit code 0 [2023-12-02 21:36:58,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:58,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:58,802 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:58,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:58,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:58,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:58,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:58,803 INFO L229 MonitoredProcess]: Starting monitored process 741 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:58,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (741)] Waiting until timeout for monitored process [2023-12-02 21:36:59,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:59,422 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:59,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:59,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:36:59,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:59,532 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:36:59,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (741)] Ended with exit code 0 [2023-12-02 21:36:59,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:59,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:36:59,548 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:36:59,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:36:59,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:59,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:59,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:59,549 INFO L229 MonitoredProcess]: Starting monitored process 742 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:59,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (742)] Waiting until timeout for monitored process [2023-12-02 21:37:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:00,329 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:00,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:00,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:00,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:00,438 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:00,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (742)] Ended with exit code 0 [2023-12-02 21:37:00,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:00,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:00,456 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:00,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:00,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:00,456 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:00,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:00,457 INFO L229 MonitoredProcess]: Starting monitored process 743 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:00,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (743)] Waiting until timeout for monitored process [2023-12-02 21:37:01,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:01,205 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:01,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:01,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:01,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:01,299 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:01,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (743)] Ended with exit code 0 [2023-12-02 21:37:01,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:01,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:01,314 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:01,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:01,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:01,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:01,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:01,315 INFO L229 MonitoredProcess]: Starting monitored process 744 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:01,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (744)] Waiting until timeout for monitored process [2023-12-02 21:37:01,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:01,960 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:01,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:01,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:02,053 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:02,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (744)] Ended with exit code 0 [2023-12-02 21:37:02,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:02,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:02,068 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:02,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:02,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:02,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:02,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:02,069 INFO L229 MonitoredProcess]: Starting monitored process 745 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:02,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (745)] Waiting until timeout for monitored process [2023-12-02 21:37:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:02,856 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:02,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:02,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:37:02,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:03,011 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:03,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (745)] Ended with exit code 0 [2023-12-02 21:37:03,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:03,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:03,026 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:03,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:03,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:03,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:03,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:03,027 INFO L229 MonitoredProcess]: Starting monitored process 746 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:03,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (746)] Waiting until timeout for monitored process [2023-12-02 21:37:03,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:03,807 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:03,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:03,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:03,890 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:03,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (746)] Ended with exit code 0 [2023-12-02 21:37:03,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:03,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:03,906 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:03,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:03,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:03,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:03,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:03,907 INFO L229 MonitoredProcess]: Starting monitored process 747 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:03,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (747)] Waiting until timeout for monitored process [2023-12-02 21:37:04,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:04,654 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:04,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:04,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:04,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:04,765 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:04,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (747)] Ended with exit code 0 [2023-12-02 21:37:04,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:04,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:04,780 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:04,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:04,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:04,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:04,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:04,781 INFO L229 MonitoredProcess]: Starting monitored process 748 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:04,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (748)] Waiting until timeout for monitored process [2023-12-02 21:37:05,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:05,571 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:05,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:05,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:05,667 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:05,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (748)] Ended with exit code 0 [2023-12-02 21:37:05,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:05,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:05,684 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:05,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:05,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:05,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:05,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:05,685 INFO L229 MonitoredProcess]: Starting monitored process 749 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:05,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (749)] Waiting until timeout for monitored process [2023-12-02 21:37:06,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:06,486 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:06,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:06,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:06,590 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:06,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (749)] Ended with exit code 0 [2023-12-02 21:37:06,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:06,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:06,607 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:06,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:06,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:06,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:06,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:06,608 INFO L229 MonitoredProcess]: Starting monitored process 750 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:06,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (750)] Waiting until timeout for monitored process [2023-12-02 21:37:07,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:07,355 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:07,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:07,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:07,462 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:07,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (750)] Ended with exit code 0 [2023-12-02 21:37:07,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:07,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:07,478 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:07,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:07,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:07,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:07,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:07,479 INFO L229 MonitoredProcess]: Starting monitored process 751 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:07,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (751)] Waiting until timeout for monitored process [2023-12-02 21:37:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:08,282 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:08,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:08,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:08,392 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:08,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (751)] Ended with exit code 0 [2023-12-02 21:37:08,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:08,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:08,409 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:08,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:08,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:08,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:08,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:08,411 INFO L229 MonitoredProcess]: Starting monitored process 752 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:08,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (752)] Waiting until timeout for monitored process [2023-12-02 21:37:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:09,146 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:09,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:09,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:37:09,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:09,314 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:09,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (752)] Ended with exit code 0 [2023-12-02 21:37:09,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:09,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:09,331 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:09,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:09,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:09,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:09,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:09,332 INFO L229 MonitoredProcess]: Starting monitored process 753 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:09,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (753)] Waiting until timeout for monitored process [2023-12-02 21:37:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:10,057 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:10,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:10,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:10,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:10,167 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:10,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (753)] Ended with exit code 0 [2023-12-02 21:37:10,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:10,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:10,184 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:10,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:10,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:10,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:10,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:10,185 INFO L229 MonitoredProcess]: Starting monitored process 754 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:10,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (754)] Waiting until timeout for monitored process [2023-12-02 21:37:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:10,919 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:10,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:10,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:11,020 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:11,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (754)] Ended with exit code 0 [2023-12-02 21:37:11,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:11,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:11,036 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:11,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:11,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:11,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:11,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:11,036 INFO L229 MonitoredProcess]: Starting monitored process 755 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:11,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (755)] Waiting until timeout for monitored process [2023-12-02 21:37:11,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:11,830 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:11,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:11,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:11,931 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:11,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (755)] Ended with exit code 0 [2023-12-02 21:37:11,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:11,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:11,948 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:11,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:11,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:11,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:11,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:11,949 INFO L229 MonitoredProcess]: Starting monitored process 756 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:11,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (756)] Waiting until timeout for monitored process [2023-12-02 21:37:12,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:12,709 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:12,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:37:12,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:12,872 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:12,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (756)] Ended with exit code 0 [2023-12-02 21:37:12,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:12,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:12,888 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:12,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:12,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:12,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:12,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:12,889 INFO L229 MonitoredProcess]: Starting monitored process 757 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:12,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (757)] Waiting until timeout for monitored process [2023-12-02 21:37:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:13,709 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:13,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:13,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:13,831 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:13,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (757)] Ended with exit code 0 [2023-12-02 21:37:13,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:13,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:13,847 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:13,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:13,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:13,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:13,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:13,848 INFO L229 MonitoredProcess]: Starting monitored process 758 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:13,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (758)] Waiting until timeout for monitored process [2023-12-02 21:37:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:14,555 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:14,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:14,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:14,666 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:14,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (758)] Ended with exit code 0 [2023-12-02 21:37:14,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:14,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:14,683 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:14,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:14,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:14,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:14,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:14,684 INFO L229 MonitoredProcess]: Starting monitored process 759 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:14,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (759)] Waiting until timeout for monitored process [2023-12-02 21:37:15,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:15,377 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:15,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:15,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:15,482 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:15,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (759)] Ended with exit code 0 [2023-12-02 21:37:15,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:15,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:15,499 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:15,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:15,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:15,499 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:15,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:15,500 INFO L229 MonitoredProcess]: Starting monitored process 760 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:15,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (760)] Waiting until timeout for monitored process [2023-12-02 21:37:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:16,279 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:16,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:16,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:16,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:16,418 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:16,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (760)] Ended with exit code 0 [2023-12-02 21:37:16,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:16,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:16,435 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:16,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:16,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:16,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:16,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:16,436 INFO L229 MonitoredProcess]: Starting monitored process 761 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:16,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (761)] Waiting until timeout for monitored process [2023-12-02 21:37:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:17,105 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:17,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:17,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:37:17,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:17,283 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:17,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (761)] Ended with exit code 0 [2023-12-02 21:37:17,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:17,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:17,301 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:17,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:17,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:17,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:17,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:17,302 INFO L229 MonitoredProcess]: Starting monitored process 762 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:17,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (762)] Waiting until timeout for monitored process [2023-12-02 21:37:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:18,072 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:18,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:18,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:18,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:18,180 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:18,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (762)] Ended with exit code 0 [2023-12-02 21:37:18,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:18,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:18,196 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:18,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:18,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:18,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:18,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:18,197 INFO L229 MonitoredProcess]: Starting monitored process 763 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:18,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (763)] Waiting until timeout for monitored process [2023-12-02 21:37:19,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:19,016 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:19,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:19,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:19,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:19,140 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:19,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (763)] Ended with exit code 0 [2023-12-02 21:37:19,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:19,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:19,156 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:19,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:19,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:19,156 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:19,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:19,157 INFO L229 MonitoredProcess]: Starting monitored process 764 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:19,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (764)] Waiting until timeout for monitored process [2023-12-02 21:37:19,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:19,950 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:19,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:19,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:20,062 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:20,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (764)] Ended with exit code 0 [2023-12-02 21:37:20,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:20,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:20,079 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:20,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:20,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:20,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:20,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:20,080 INFO L229 MonitoredProcess]: Starting monitored process 765 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:20,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (765)] Waiting until timeout for monitored process [2023-12-02 21:37:20,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:20,873 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:20,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:20,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:20,975 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:20,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (765)] Ended with exit code 0 [2023-12-02 21:37:20,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:20,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:20,990 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:20,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:20,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:20,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:20,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:20,992 INFO L229 MonitoredProcess]: Starting monitored process 766 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:20,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (766)] Waiting until timeout for monitored process [2023-12-02 21:37:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:21,722 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:21,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:37:21,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:21,888 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:21,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (766)] Ended with exit code 0 [2023-12-02 21:37:21,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:21,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:21,905 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:21,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:21,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:21,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:21,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:21,907 INFO L229 MonitoredProcess]: Starting monitored process 767 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:21,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (767)] Waiting until timeout for monitored process [2023-12-02 21:37:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:22,612 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:22,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:22,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:22,700 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:22,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (767)] Ended with exit code 0 [2023-12-02 21:37:22,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:22,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:22,722 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:22,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:22,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:22,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:22,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:22,723 INFO L229 MonitoredProcess]: Starting monitored process 768 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:22,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (768)] Waiting until timeout for monitored process [2023-12-02 21:37:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:23,483 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:23,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:23,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:23,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:23,583 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:23,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (768)] Ended with exit code 0 [2023-12-02 21:37:23,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:23,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:23,600 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:23,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:23,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:23,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:23,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:23,601 INFO L229 MonitoredProcess]: Starting monitored process 769 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:23,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (769)] Waiting until timeout for monitored process [2023-12-02 21:37:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:24,340 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:24,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:24,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:24,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:24,455 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:24,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (769)] Ended with exit code 0 [2023-12-02 21:37:24,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:24,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:24,474 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:24,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:24,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:24,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:24,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:24,475 INFO L229 MonitoredProcess]: Starting monitored process 770 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:24,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (770)] Waiting until timeout for monitored process [2023-12-02 21:37:25,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:25,240 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:25,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:25,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:25,358 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:25,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (770)] Ended with exit code 0 [2023-12-02 21:37:25,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:25,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:25,374 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:25,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:25,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:25,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:25,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:25,375 INFO L229 MonitoredProcess]: Starting monitored process 771 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:25,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (771)] Waiting until timeout for monitored process [2023-12-02 21:37:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:26,162 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:26,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:26,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:26,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:26,272 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:26,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (771)] Ended with exit code 0 [2023-12-02 21:37:26,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:26,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:26,289 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:26,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:26,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:26,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:26,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:26,290 INFO L229 MonitoredProcess]: Starting monitored process 772 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:26,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (772)] Waiting until timeout for monitored process [2023-12-02 21:37:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:27,026 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:27,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:27,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:27,131 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:27,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (772)] Ended with exit code 0 [2023-12-02 21:37:27,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:27,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:27,145 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:27,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:27,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:27,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:27,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:27,146 INFO L229 MonitoredProcess]: Starting monitored process 773 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:27,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (773)] Waiting until timeout for monitored process [2023-12-02 21:37:27,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:27,982 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:28,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:37:28,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:28,136 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:28,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (773)] Ended with exit code 0 [2023-12-02 21:37:28,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:28,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:28,153 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:28,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:28,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:28,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:28,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:28,154 INFO L229 MonitoredProcess]: Starting monitored process 774 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:28,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (774)] Waiting until timeout for monitored process [2023-12-02 21:37:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:28,949 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:28,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:28,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:29,074 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:29,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (774)] Ended with exit code 0 [2023-12-02 21:37:29,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:29,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:29,090 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:29,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:29,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:29,090 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:29,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:29,091 INFO L229 MonitoredProcess]: Starting monitored process 775 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:29,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (775)] Waiting until timeout for monitored process [2023-12-02 21:37:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:29,876 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:29,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:29,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:29,989 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:29,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (775)] Ended with exit code 0 [2023-12-02 21:37:30,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:30,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:30,007 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:30,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:30,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:30,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:30,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:30,008 INFO L229 MonitoredProcess]: Starting monitored process 776 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:30,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (776)] Waiting until timeout for monitored process [2023-12-02 21:37:30,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:30,786 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:30,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:30,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:37:30,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:30,941 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:30,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (776)] Ended with exit code 0 [2023-12-02 21:37:30,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:30,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:30,957 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:30,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:30,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:30,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:30,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:30,958 INFO L229 MonitoredProcess]: Starting monitored process 777 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:30,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (777)] Waiting until timeout for monitored process [2023-12-02 21:37:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:31,697 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:31,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:37:31,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:31,847 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:31,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (777)] Ended with exit code 0 [2023-12-02 21:37:31,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:31,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:31,871 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:31,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:31,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:31,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:31,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:31,872 INFO L229 MonitoredProcess]: Starting monitored process 778 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:31,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (778)] Waiting until timeout for monitored process [2023-12-02 21:37:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:32,634 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:32,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:32,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:32,739 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:32,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (778)] Ended with exit code 0 [2023-12-02 21:37:32,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:32,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:32,756 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:32,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:32,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:32,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:32,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:32,757 INFO L229 MonitoredProcess]: Starting monitored process 779 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:32,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (779)] Waiting until timeout for monitored process [2023-12-02 21:37:33,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:33,458 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:33,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:33,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:37:33,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:33,615 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:33,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (779)] Ended with exit code 0 [2023-12-02 21:37:33,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:33,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:33,633 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:33,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:33,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:33,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:33,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:33,634 INFO L229 MonitoredProcess]: Starting monitored process 780 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:33,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (780)] Waiting until timeout for monitored process [2023-12-02 21:37:34,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:34,412 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:34,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:37:34,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:34,586 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:34,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (780)] Ended with exit code 0 [2023-12-02 21:37:34,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:34,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:34,605 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:34,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:34,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:34,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:34,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:34,606 INFO L229 MonitoredProcess]: Starting monitored process 781 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:34,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (781)] Waiting until timeout for monitored process [2023-12-02 21:37:35,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:35,415 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:35,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:35,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:35,513 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:35,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (781)] Ended with exit code 0 [2023-12-02 21:37:35,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:35,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:35,529 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:35,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:35,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:35,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:35,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:35,530 INFO L229 MonitoredProcess]: Starting monitored process 782 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:35,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (782)] Waiting until timeout for monitored process [2023-12-02 21:37:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:36,359 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:36,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:36,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:36,470 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:36,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (782)] Ended with exit code 0 [2023-12-02 21:37:36,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:36,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:36,487 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:36,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:36,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:36,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:36,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:36,488 INFO L229 MonitoredProcess]: Starting monitored process 783 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:36,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (783)] Waiting until timeout for monitored process [2023-12-02 21:37:37,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:37,214 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:37,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:37,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:37,340 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:37,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (783)] Ended with exit code 0 [2023-12-02 21:37:37,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:37,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:37,357 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:37,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:37,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:37,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:37,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:37,358 INFO L229 MonitoredProcess]: Starting monitored process 784 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:37,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (784)] Waiting until timeout for monitored process [2023-12-02 21:37:38,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:38,087 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:38,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:38,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:37:38,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:38,273 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:38,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (784)] Ended with exit code 0 [2023-12-02 21:37:38,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:38,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:38,290 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:38,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:38,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:38,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:38,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:38,291 INFO L229 MonitoredProcess]: Starting monitored process 785 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:38,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (785)] Waiting until timeout for monitored process [2023-12-02 21:37:39,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:39,104 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:39,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:39,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:37:39,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:39,311 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:39,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (785)] Ended with exit code 0 [2023-12-02 21:37:39,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:39,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:39,332 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:39,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:39,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:39,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:39,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:39,333 INFO L229 MonitoredProcess]: Starting monitored process 786 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:39,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (786)] Waiting until timeout for monitored process [2023-12-02 21:37:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:40,135 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:40,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:40,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:40,247 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:40,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (786)] Ended with exit code 0 [2023-12-02 21:37:40,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:40,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:40,266 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:40,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:40,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:40,266 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:40,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:40,267 INFO L229 MonitoredProcess]: Starting monitored process 787 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:40,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (787)] Waiting until timeout for monitored process [2023-12-02 21:37:40,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:40,977 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:40,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:40,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:40,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:41,077 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:41,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (787)] Ended with exit code 0 [2023-12-02 21:37:41,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:41,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:41,095 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:41,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:41,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:41,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:41,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:41,096 INFO L229 MonitoredProcess]: Starting monitored process 788 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:41,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (788)] Waiting until timeout for monitored process [2023-12-02 21:37:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:41,880 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:41,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:37:41,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:42,063 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:42,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (788)] Ended with exit code 0 [2023-12-02 21:37:42,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:42,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:42,082 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:42,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:42,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:42,083 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:42,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:42,083 INFO L229 MonitoredProcess]: Starting monitored process 789 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:42,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (789)] Waiting until timeout for monitored process [2023-12-02 21:37:42,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:42,929 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:42,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:42,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:42,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:43,016 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:43,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (789)] Ended with exit code 0 [2023-12-02 21:37:43,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:43,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:43,034 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:43,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:43,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:43,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:43,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:43,035 INFO L229 MonitoredProcess]: Starting monitored process 790 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:43,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (790)] Waiting until timeout for monitored process [2023-12-02 21:37:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:43,813 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:43,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:43,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:43,920 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:43,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (790)] Ended with exit code 0 [2023-12-02 21:37:43,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:43,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:43,937 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:43,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:43,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:43,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:43,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:43,938 INFO L229 MonitoredProcess]: Starting monitored process 791 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:43,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (791)] Waiting until timeout for monitored process [2023-12-02 21:37:44,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:44,749 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:44,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:44,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:37:44,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:44,917 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:44,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (791)] Ended with exit code 0 [2023-12-02 21:37:44,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:44,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:44,935 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:44,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:44,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:44,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:44,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:44,936 INFO L229 MonitoredProcess]: Starting monitored process 792 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:44,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (792)] Waiting until timeout for monitored process [2023-12-02 21:37:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:45,772 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:45,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:45,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:45,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:45,875 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:45,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (792)] Ended with exit code 0 [2023-12-02 21:37:45,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:45,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:45,892 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:45,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:45,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:45,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:45,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:45,893 INFO L229 MonitoredProcess]: Starting monitored process 793 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:45,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (793)] Waiting until timeout for monitored process [2023-12-02 21:37:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:46,746 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:48,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:37:48,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:48,297 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:48,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (793)] Ended with exit code 0 [2023-12-02 21:37:48,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:48,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:48,314 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:48,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:48,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:48,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:48,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:48,315 INFO L229 MonitoredProcess]: Starting monitored process 794 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:48,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (794)] Waiting until timeout for monitored process [2023-12-02 21:37:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:49,104 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:49,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:49,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:49,200 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:49,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (794)] Ended with exit code 0 [2023-12-02 21:37:49,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:49,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:49,217 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:49,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:49,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:49,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:49,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:49,218 INFO L229 MonitoredProcess]: Starting monitored process 795 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:49,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (795)] Waiting until timeout for monitored process [2023-12-02 21:37:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:49,963 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:50,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:50,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:50,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:50,106 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:50,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (795)] Ended with exit code 0 [2023-12-02 21:37:50,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:50,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:50,124 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:50,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:50,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:50,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:50,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:50,125 INFO L229 MonitoredProcess]: Starting monitored process 796 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:50,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (796)] Waiting until timeout for monitored process [2023-12-02 21:37:50,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:50,864 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:50,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:50,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:37:50,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:51,050 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:51,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (796)] Ended with exit code 0 [2023-12-02 21:37:51,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:51,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:51,069 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:51,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:51,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:51,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:51,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:51,070 INFO L229 MonitoredProcess]: Starting monitored process 797 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:51,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (797)] Waiting until timeout for monitored process [2023-12-02 21:37:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:51,829 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:51,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:51,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:51,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:51,931 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:51,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (797)] Ended with exit code 0 [2023-12-02 21:37:51,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:51,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:51,947 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:51,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:51,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:51,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:51,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:51,948 INFO L229 MonitoredProcess]: Starting monitored process 798 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:51,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (798)] Waiting until timeout for monitored process [2023-12-02 21:37:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:52,754 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:52,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:37:52,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:52,961 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:52,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (798)] Forceful destruction successful, exit code 0 [2023-12-02 21:37:52,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:52,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:52,979 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:52,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:52,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:52,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:52,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:52,980 INFO L229 MonitoredProcess]: Starting monitored process 799 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:52,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (799)] Waiting until timeout for monitored process [2023-12-02 21:37:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:53,811 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:53,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:53,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:53,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:53,921 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:53,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (799)] Ended with exit code 0 [2023-12-02 21:37:53,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:53,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:53,939 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:53,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:53,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:53,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:53,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:53,940 INFO L229 MonitoredProcess]: Starting monitored process 800 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:53,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (800)] Waiting until timeout for monitored process [2023-12-02 21:37:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:54,787 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:54,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:54,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:54,901 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:54,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (800)] Ended with exit code 0 [2023-12-02 21:37:54,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:54,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:54,919 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:54,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:54,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:54,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:54,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:54,920 INFO L229 MonitoredProcess]: Starting monitored process 801 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:54,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (801)] Waiting until timeout for monitored process [2023-12-02 21:37:55,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:55,646 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:55,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:55,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:55,749 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:55,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (801)] Ended with exit code 0 [2023-12-02 21:37:55,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:55,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:55,766 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:55,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:55,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:55,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:55,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:55,767 INFO L229 MonitoredProcess]: Starting monitored process 802 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:55,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (802)] Waiting until timeout for monitored process [2023-12-02 21:37:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:56,578 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:56,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:56,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:56,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:56,687 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:56,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (802)] Ended with exit code 0 [2023-12-02 21:37:56,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:56,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:56,704 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:56,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:56,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:56,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:56,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:56,705 INFO L229 MonitoredProcess]: Starting monitored process 803 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:56,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (803)] Waiting until timeout for monitored process [2023-12-02 21:37:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:57,448 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:57,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:57,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:57,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:57,563 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:57,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (803)] Ended with exit code 0 [2023-12-02 21:37:57,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:57,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:57,581 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:57,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:57,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:57,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:57,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:57,582 INFO L229 MonitoredProcess]: Starting monitored process 804 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:57,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (804)] Waiting until timeout for monitored process [2023-12-02 21:37:58,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:58,368 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:58,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:58,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:37:58,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:58,533 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:58,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (804)] Ended with exit code 0 [2023-12-02 21:37:58,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:58,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:58,550 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:58,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:58,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:58,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:58,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:58,551 INFO L229 MonitoredProcess]: Starting monitored process 805 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:58,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (805)] Waiting until timeout for monitored process [2023-12-02 21:37:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:59,303 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:59,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:37:59,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:59,391 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:37:59,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (805)] Ended with exit code 0 [2023-12-02 21:37:59,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:59,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:37:59,408 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:37:59,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:37:59,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:59,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:59,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:59,409 INFO L229 MonitoredProcess]: Starting monitored process 806 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:59,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (806)] Waiting until timeout for monitored process [2023-12-02 21:38:00,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:00,223 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:00,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:38:00,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:00,361 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:00,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (806)] Ended with exit code 0 [2023-12-02 21:38:00,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:00,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:00,379 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:00,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:00,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:00,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:00,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:00,380 INFO L229 MonitoredProcess]: Starting monitored process 807 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:00,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (807)] Waiting until timeout for monitored process [2023-12-02 21:38:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:01,207 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:01,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:01,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:38:01,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:01,364 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:01,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (807)] Ended with exit code 0 [2023-12-02 21:38:01,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:01,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:01,383 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:01,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:01,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:01,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:01,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:01,384 INFO L229 MonitoredProcess]: Starting monitored process 808 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:01,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (808)] Waiting until timeout for monitored process [2023-12-02 21:38:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:02,145 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:02,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:02,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:02,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:02,263 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:02,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (808)] Ended with exit code 0 [2023-12-02 21:38:02,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:02,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:02,279 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:02,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:02,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:02,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:02,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:02,280 INFO L229 MonitoredProcess]: Starting monitored process 809 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:02,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (809)] Waiting until timeout for monitored process [2023-12-02 21:38:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:03,122 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:03,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:03,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:03,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:03,247 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:03,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (809)] Ended with exit code 0 [2023-12-02 21:38:03,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:03,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:03,264 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:03,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:03,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:03,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:03,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:03,265 INFO L229 MonitoredProcess]: Starting monitored process 810 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:03,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (810)] Waiting until timeout for monitored process [2023-12-02 21:38:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:04,049 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:04,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:04,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:04,166 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:04,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (810)] Ended with exit code 0 [2023-12-02 21:38:04,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:04,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:04,182 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:04,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:04,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:04,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:04,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:04,183 INFO L229 MonitoredProcess]: Starting monitored process 811 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:04,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (811)] Waiting until timeout for monitored process [2023-12-02 21:38:05,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:05,035 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:05,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:05,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:05,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:05,142 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:05,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (811)] Ended with exit code 0 [2023-12-02 21:38:05,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:05,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:05,159 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:05,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:05,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:05,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:05,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:05,160 INFO L229 MonitoredProcess]: Starting monitored process 812 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:05,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (812)] Waiting until timeout for monitored process [2023-12-02 21:38:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:05,944 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:05,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:05,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:05,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:06,078 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:06,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (812)] Ended with exit code 0 [2023-12-02 21:38:06,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:06,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:06,095 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:06,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:06,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:06,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:06,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:06,096 INFO L229 MonitoredProcess]: Starting monitored process 813 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:06,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (813)] Waiting until timeout for monitored process [2023-12-02 21:38:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:06,890 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:06,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:06,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:06,997 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:07,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (813)] Ended with exit code 0 [2023-12-02 21:38:07,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:07,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:07,014 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:07,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:07,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:07,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:07,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:07,015 INFO L229 MonitoredProcess]: Starting monitored process 814 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:07,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (814)] Waiting until timeout for monitored process [2023-12-02 21:38:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:07,811 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:07,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:07,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:07,913 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:07,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (814)] Ended with exit code 0 [2023-12-02 21:38:07,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:07,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:07,932 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:07,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:07,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:07,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:07,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:07,933 INFO L229 MonitoredProcess]: Starting monitored process 815 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:07,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (815)] Waiting until timeout for monitored process [2023-12-02 21:38:08,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:08,678 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:08,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:38:08,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:08,837 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:08,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (815)] Ended with exit code 0 [2023-12-02 21:38:08,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:08,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:08,856 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:08,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:08,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:08,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:08,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:08,857 INFO L229 MonitoredProcess]: Starting monitored process 816 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:08,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (816)] Waiting until timeout for monitored process [2023-12-02 21:38:09,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:09,665 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:09,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:38:09,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:09,833 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:09,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (816)] Ended with exit code 0 [2023-12-02 21:38:09,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:09,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:09,850 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:09,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:09,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:09,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:09,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:09,851 INFO L229 MonitoredProcess]: Starting monitored process 817 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:09,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (817)] Waiting until timeout for monitored process [2023-12-02 21:38:10,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:10,678 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:10,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:10,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:10,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:10,784 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:10,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (817)] Ended with exit code 0 [2023-12-02 21:38:10,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:10,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:10,803 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:10,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:10,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:10,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:10,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:10,804 INFO L229 MonitoredProcess]: Starting monitored process 818 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:10,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (818)] Waiting until timeout for monitored process [2023-12-02 21:38:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:11,515 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:11,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:11,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:11,642 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:11,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (818)] Forceful destruction successful, exit code 0 [2023-12-02 21:38:11,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:11,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:11,658 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:11,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:11,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:11,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:11,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:11,659 INFO L229 MonitoredProcess]: Starting monitored process 819 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:11,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (819)] Waiting until timeout for monitored process [2023-12-02 21:38:12,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:12,292 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:12,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:12,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:12,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:12,449 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:12,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (819)] Ended with exit code 0 [2023-12-02 21:38:12,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:12,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:12,464 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:12,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:12,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:12,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:12,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:12,465 INFO L229 MonitoredProcess]: Starting monitored process 820 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:12,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (820)] Waiting until timeout for monitored process [2023-12-02 21:38:13,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:13,202 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:13,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:13,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:13,306 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:13,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (820)] Ended with exit code 0 [2023-12-02 21:38:13,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:13,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:13,323 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:13,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:13,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:13,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:13,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:13,324 INFO L229 MonitoredProcess]: Starting monitored process 821 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:13,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (821)] Waiting until timeout for monitored process [2023-12-02 21:38:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:14,132 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:14,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:14,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:14,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:14,240 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:14,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (821)] Ended with exit code 0 [2023-12-02 21:38:14,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:14,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:14,257 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:14,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:14,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:14,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:14,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:14,257 INFO L229 MonitoredProcess]: Starting monitored process 822 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:14,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (822)] Waiting until timeout for monitored process [2023-12-02 21:38:14,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:14,950 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:14,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:14,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:14,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:15,061 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:15,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (822)] Ended with exit code 0 [2023-12-02 21:38:15,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:15,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:15,077 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:15,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:15,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:15,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:15,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:15,078 INFO L229 MonitoredProcess]: Starting monitored process 823 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:15,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (823)] Waiting until timeout for monitored process [2023-12-02 21:38:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:15,781 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:15,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:15,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:15,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:15,902 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:15,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (823)] Ended with exit code 0 [2023-12-02 21:38:15,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:15,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:15,920 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:15,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:15,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:15,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:15,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:15,921 INFO L229 MonitoredProcess]: Starting monitored process 824 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:15,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (824)] Waiting until timeout for monitored process [2023-12-02 21:38:16,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:16,701 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:16,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:16,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:16,807 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:16,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (824)] Ended with exit code 0 [2023-12-02 21:38:16,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:16,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:16,825 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:16,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:16,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:16,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:16,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:16,826 INFO L229 MonitoredProcess]: Starting monitored process 825 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:16,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (825)] Waiting until timeout for monitored process [2023-12-02 21:38:17,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:17,623 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:17,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:17,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:17,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:17,754 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:17,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (825)] Ended with exit code 0 [2023-12-02 21:38:17,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:17,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:17,770 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:17,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:17,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:17,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:17,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:17,771 INFO L229 MonitoredProcess]: Starting monitored process 826 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:17,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (826)] Waiting until timeout for monitored process [2023-12-02 21:38:18,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:18,543 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:18,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:18,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:18,659 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:18,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (826)] Ended with exit code 0 [2023-12-02 21:38:18,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:18,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:18,675 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:18,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:18,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:18,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:18,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:18,676 INFO L229 MonitoredProcess]: Starting monitored process 827 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:18,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (827)] Waiting until timeout for monitored process [2023-12-02 21:38:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:19,448 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:19,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:19,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:19,555 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:19,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (827)] Ended with exit code 0 [2023-12-02 21:38:19,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:19,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:19,572 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:19,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:19,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:19,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:19,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:19,573 INFO L229 MonitoredProcess]: Starting monitored process 828 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:19,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (828)] Waiting until timeout for monitored process [2023-12-02 21:38:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:20,375 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:20,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:20,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:20,485 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:20,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (828)] Ended with exit code 0 [2023-12-02 21:38:20,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:20,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:20,502 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:20,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:20,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:20,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:20,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:20,503 INFO L229 MonitoredProcess]: Starting monitored process 829 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:20,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (829)] Waiting until timeout for monitored process [2023-12-02 21:38:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:21,370 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:21,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:21,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:21,470 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:21,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (829)] Ended with exit code 0 [2023-12-02 21:38:21,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:21,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:21,489 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:21,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:21,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:21,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:21,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:21,491 INFO L229 MonitoredProcess]: Starting monitored process 830 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:21,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (830)] Waiting until timeout for monitored process [2023-12-02 21:38:22,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:22,328 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:22,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:22,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:38:22,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:22,489 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:22,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (830)] Ended with exit code 0 [2023-12-02 21:38:22,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:22,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:22,508 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:22,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:22,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:22,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:22,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:22,509 INFO L229 MonitoredProcess]: Starting monitored process 831 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:22,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (831)] Waiting until timeout for monitored process [2023-12-02 21:38:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:23,386 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:23,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:23,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:23,504 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:23,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (831)] Ended with exit code 0 [2023-12-02 21:38:23,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:23,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:23,523 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:23,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:23,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:23,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:23,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:23,524 INFO L229 MonitoredProcess]: Starting monitored process 832 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:23,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (832)] Waiting until timeout for monitored process [2023-12-02 21:38:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:24,391 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:24,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:24,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:24,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:24,495 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:24,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (832)] Ended with exit code 0 [2023-12-02 21:38:24,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:24,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:24,513 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:24,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:24,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:24,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:24,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:24,514 INFO L229 MonitoredProcess]: Starting monitored process 833 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:24,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (833)] Waiting until timeout for monitored process [2023-12-02 21:38:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:25,327 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:25,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:25,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:25,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:25,435 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:25,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (833)] Ended with exit code 0 [2023-12-02 21:38:25,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:25,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:25,453 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:25,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:25,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:25,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:25,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:25,454 INFO L229 MonitoredProcess]: Starting monitored process 834 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:25,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (834)] Waiting until timeout for monitored process [2023-12-02 21:38:26,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:26,242 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:26,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:38:26,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:26,397 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:26,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (834)] Ended with exit code 0 [2023-12-02 21:38:26,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:26,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:26,416 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:26,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:26,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:26,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:26,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:26,417 INFO L229 MonitoredProcess]: Starting monitored process 835 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:26,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (835)] Waiting until timeout for monitored process [2023-12-02 21:38:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:27,193 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:27,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:27,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:38:27,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:27,379 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:27,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (835)] Ended with exit code 0 [2023-12-02 21:38:27,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:27,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:27,400 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:27,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:27,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:27,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:27,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:27,401 INFO L229 MonitoredProcess]: Starting monitored process 836 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:27,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (836)] Waiting until timeout for monitored process [2023-12-02 21:38:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:28,213 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:28,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:28,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:28,314 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:28,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (836)] Ended with exit code 0 [2023-12-02 21:38:28,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:28,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:28,332 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:28,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:28,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:28,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:28,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:28,333 INFO L229 MonitoredProcess]: Starting monitored process 837 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:28,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (837)] Waiting until timeout for monitored process [2023-12-02 21:38:29,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:29,015 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:29,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:29,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:29,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:29,130 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:29,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (837)] Forceful destruction successful, exit code 0 [2023-12-02 21:38:29,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:29,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:29,148 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:29,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:29,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:29,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:29,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:29,149 INFO L229 MonitoredProcess]: Starting monitored process 838 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:29,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (838)] Waiting until timeout for monitored process [2023-12-02 21:38:30,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:30,007 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:30,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:30,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:30,111 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:30,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (838)] Ended with exit code 0 [2023-12-02 21:38:30,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:30,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:30,128 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:30,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:30,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:30,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:30,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:30,129 INFO L229 MonitoredProcess]: Starting monitored process 839 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:30,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (839)] Waiting until timeout for monitored process [2023-12-02 21:38:30,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:30,986 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:31,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:31,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:31,093 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:31,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (839)] Ended with exit code 0 [2023-12-02 21:38:31,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:31,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:31,110 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:31,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:31,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:31,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:31,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:31,111 INFO L229 MonitoredProcess]: Starting monitored process 840 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:31,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (840)] Waiting until timeout for monitored process [2023-12-02 21:38:31,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:31,874 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:31,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:31,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:38:31,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:32,047 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:32,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (840)] Ended with exit code 0 [2023-12-02 21:38:32,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:32,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:32,065 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:32,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:32,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:32,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:32,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:32,067 INFO L229 MonitoredProcess]: Starting monitored process 841 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:32,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (841)] Waiting until timeout for monitored process [2023-12-02 21:38:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:32,858 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:32,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:32,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:32,958 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:32,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (841)] Ended with exit code 0 [2023-12-02 21:38:32,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:32,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:32,975 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:32,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:32,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:32,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:32,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:32,976 INFO L229 MonitoredProcess]: Starting monitored process 842 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:32,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (842)] Waiting until timeout for monitored process [2023-12-02 21:38:33,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:33,758 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:33,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:33,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:38:33,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:33,924 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:33,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (842)] Ended with exit code 0 [2023-12-02 21:38:33,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:33,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:33,943 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:33,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:33,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:33,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:33,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:33,944 INFO L229 MonitoredProcess]: Starting monitored process 843 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:33,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (843)] Waiting until timeout for monitored process [2023-12-02 21:38:34,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:34,695 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:34,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:34,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:34,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:34,822 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:34,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (843)] Forceful destruction successful, exit code 0 [2023-12-02 21:38:34,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:34,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:34,839 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:34,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:34,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:34,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:34,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:34,840 INFO L229 MonitoredProcess]: Starting monitored process 844 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:34,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (844)] Waiting until timeout for monitored process [2023-12-02 21:38:35,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:35,599 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:35,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:35,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:38:35,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:35,818 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:35,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (844)] Ended with exit code 0 [2023-12-02 21:38:35,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:35,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:35,838 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:35,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:35,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:35,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:35,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:35,839 INFO L229 MonitoredProcess]: Starting monitored process 845 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:35,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (845)] Waiting until timeout for monitored process [2023-12-02 21:38:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:36,708 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:36,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:36,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:36,818 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:36,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (845)] Ended with exit code 0 [2023-12-02 21:38:36,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:36,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:36,835 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:36,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:36,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:36,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:36,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:36,836 INFO L229 MonitoredProcess]: Starting monitored process 846 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:36,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (846)] Waiting until timeout for monitored process [2023-12-02 21:38:37,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:37,698 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:37,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:37,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:37,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:37,798 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:37,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (846)] Ended with exit code 0 [2023-12-02 21:38:37,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:37,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:37,816 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:37,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:37,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:37,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:37,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:37,817 INFO L229 MonitoredProcess]: Starting monitored process 847 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:37,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (847)] Waiting until timeout for monitored process [2023-12-02 21:38:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:38,688 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:38,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:38:38,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:38,862 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:38,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (847)] Ended with exit code 0 [2023-12-02 21:38:38,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:38,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:38,882 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:38,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:38,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:38,883 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:38,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:38,883 INFO L229 MonitoredProcess]: Starting monitored process 848 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:38,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (848)] Waiting until timeout for monitored process [2023-12-02 21:38:39,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:39,678 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:39,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:38:39,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:39,848 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:39,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (848)] Ended with exit code 0 [2023-12-02 21:38:39,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:39,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:39,866 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:39,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:39,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:39,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:39,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:39,868 INFO L229 MonitoredProcess]: Starting monitored process 849 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:39,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (849)] Waiting until timeout for monitored process [2023-12-02 21:38:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:40,680 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:40,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:40,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:40,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:40,790 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:40,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (849)] Forceful destruction successful, exit code 0 [2023-12-02 21:38:40,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:40,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:40,808 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:40,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:40,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:40,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:40,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:40,809 INFO L229 MonitoredProcess]: Starting monitored process 850 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:40,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (850)] Waiting until timeout for monitored process [2023-12-02 21:38:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:41,577 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:41,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:41,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:38:41,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:41,737 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:41,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (850)] Ended with exit code 0 [2023-12-02 21:38:41,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:41,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:41,757 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:41,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:41,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:41,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:41,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:41,758 INFO L229 MonitoredProcess]: Starting monitored process 851 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:41,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (851)] Waiting until timeout for monitored process [2023-12-02 21:38:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:42,575 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:42,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:42,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:38:42,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:42,735 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:42,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (851)] Ended with exit code 0 [2023-12-02 21:38:42,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:42,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:42,755 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:42,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:42,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:42,755 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:42,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:42,756 INFO L229 MonitoredProcess]: Starting monitored process 852 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:42,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (852)] Waiting until timeout for monitored process [2023-12-02 21:38:43,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:43,626 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:43,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:43,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:43,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:43,733 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:43,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (852)] Ended with exit code 0 [2023-12-02 21:38:43,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:43,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:43,750 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:43,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:43,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:43,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:43,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:43,751 INFO L229 MonitoredProcess]: Starting monitored process 853 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:43,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (853)] Waiting until timeout for monitored process [2023-12-02 21:38:44,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:44,516 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:44,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:44,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:44,623 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:44,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (853)] Ended with exit code 0 [2023-12-02 21:38:44,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:44,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:44,642 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:44,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:44,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:44,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:44,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:44,643 INFO L229 MonitoredProcess]: Starting monitored process 854 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:44,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (854)] Waiting until timeout for monitored process [2023-12-02 21:38:45,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:45,524 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:45,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:45,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:45,627 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:45,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (854)] Ended with exit code 0 [2023-12-02 21:38:45,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:45,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:45,645 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:45,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:45,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:45,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:45,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:45,646 INFO L229 MonitoredProcess]: Starting monitored process 855 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:45,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (855)] Waiting until timeout for monitored process [2023-12-02 21:38:46,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:46,489 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:46,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:38:46,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:46,660 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:46,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (855)] Ended with exit code 0 [2023-12-02 21:38:46,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:46,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:46,678 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:46,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:46,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:46,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:46,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:46,679 INFO L229 MonitoredProcess]: Starting monitored process 856 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:46,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (856)] Waiting until timeout for monitored process [2023-12-02 21:38:47,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:47,462 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:47,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:47,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:38:47,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:47,641 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:47,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (856)] Ended with exit code 0 [2023-12-02 21:38:47,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:47,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:47,659 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:47,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:47,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:47,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:47,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:47,660 INFO L229 MonitoredProcess]: Starting monitored process 857 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:47,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (857)] Waiting until timeout for monitored process [2023-12-02 21:38:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:48,429 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:48,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:48,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:38:48,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:48,610 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:48,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (857)] Ended with exit code 0 [2023-12-02 21:38:48,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:48,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:48,629 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:48,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:48,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:48,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:48,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:48,630 INFO L229 MonitoredProcess]: Starting monitored process 858 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:48,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (858)] Waiting until timeout for monitored process [2023-12-02 21:38:49,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:49,421 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:49,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:49,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:49,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:49,543 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:49,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (858)] Ended with exit code 0 [2023-12-02 21:38:49,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:49,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:49,561 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:49,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:49,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:49,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:49,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:49,562 INFO L229 MonitoredProcess]: Starting monitored process 859 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:49,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (859)] Waiting until timeout for monitored process [2023-12-02 21:38:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:50,399 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:50,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:50,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:38:50,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:50,611 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:50,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (859)] Ended with exit code 0 [2023-12-02 21:38:50,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:50,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:50,629 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:50,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:50,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:50,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:50,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:50,630 INFO L229 MonitoredProcess]: Starting monitored process 860 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:50,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (860)] Waiting until timeout for monitored process [2023-12-02 21:38:51,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:51,489 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:51,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:51,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:51,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:51,608 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:51,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (860)] Ended with exit code 0 [2023-12-02 21:38:51,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:51,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:51,626 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:51,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:51,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:51,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:51,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:51,627 INFO L229 MonitoredProcess]: Starting monitored process 861 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:51,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (861)] Waiting until timeout for monitored process [2023-12-02 21:38:52,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:52,495 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:52,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:52,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:52,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:52,596 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:52,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (861)] Ended with exit code 0 [2023-12-02 21:38:52,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:52,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:52,615 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:52,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:52,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:52,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:52,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:52,616 INFO L229 MonitoredProcess]: Starting monitored process 862 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:52,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (862)] Waiting until timeout for monitored process [2023-12-02 21:38:53,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:53,406 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:53,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:53,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:53,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:53,512 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:53,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (862)] Ended with exit code 0 [2023-12-02 21:38:53,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:53,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:53,530 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:53,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:53,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:53,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:53,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:53,531 INFO L229 MonitoredProcess]: Starting monitored process 863 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:53,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (863)] Waiting until timeout for monitored process [2023-12-02 21:38:54,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:54,399 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:54,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:54,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:54,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:54,552 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:54,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (863)] Ended with exit code 0 [2023-12-02 21:38:54,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:54,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:54,570 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:54,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:54,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:54,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:54,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:54,571 INFO L229 MonitoredProcess]: Starting monitored process 864 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:54,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (864)] Waiting until timeout for monitored process [2023-12-02 21:38:55,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:55,317 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:55,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:55,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:55,441 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:55,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (864)] Ended with exit code 0 [2023-12-02 21:38:55,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:55,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:55,463 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:55,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:55,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:55,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:55,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:55,464 INFO L229 MonitoredProcess]: Starting monitored process 865 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:55,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (865)] Waiting until timeout for monitored process [2023-12-02 21:38:56,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:56,349 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:56,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:38:56,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:56,506 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:56,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (865)] Ended with exit code 0 [2023-12-02 21:38:56,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:56,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:56,527 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:56,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:56,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:56,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:56,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:56,528 INFO L229 MonitoredProcess]: Starting monitored process 866 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:56,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (866)] Waiting until timeout for monitored process [2023-12-02 21:38:57,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:57,403 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:57,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:57,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:57,500 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:57,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (866)] Ended with exit code 0 [2023-12-02 21:38:57,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:57,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:57,519 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:57,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:57,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:57,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:57,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:57,520 INFO L229 MonitoredProcess]: Starting monitored process 867 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:57,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (867)] Waiting until timeout for monitored process [2023-12-02 21:38:58,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:58,323 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:58,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:58,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:58,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:58,436 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:58,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (867)] Ended with exit code 0 [2023-12-02 21:38:58,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:58,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:58,453 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:58,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:58,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:58,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:58,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:58,454 INFO L229 MonitoredProcess]: Starting monitored process 868 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:58,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (868)] Waiting until timeout for monitored process [2023-12-02 21:38:59,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:59,327 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:59,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:59,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:38:59,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:59,416 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:38:59,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (868)] Ended with exit code 0 [2023-12-02 21:38:59,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:59,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:38:59,435 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:38:59,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:59,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:59,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:59,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:59,436 INFO L229 MonitoredProcess]: Starting monitored process 869 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:59,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (869)] Waiting until timeout for monitored process [2023-12-02 21:39:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:00,160 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:00,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:00,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:00,265 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:00,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (869)] Ended with exit code 0 [2023-12-02 21:39:00,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:00,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:00,288 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:00,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:00,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:00,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:00,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:00,289 INFO L229 MonitoredProcess]: Starting monitored process 870 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:00,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (870)] Waiting until timeout for monitored process [2023-12-02 21:39:01,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:01,174 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:01,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:39:01,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:01,408 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:01,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (870)] Ended with exit code 0 [2023-12-02 21:39:01,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:01,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:01,426 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:01,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:01,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:01,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:01,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:01,427 INFO L229 MonitoredProcess]: Starting monitored process 871 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:01,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (871)] Waiting until timeout for monitored process [2023-12-02 21:39:02,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:02,301 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:02,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:02,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:02,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:02,418 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:02,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (871)] Ended with exit code 0 [2023-12-02 21:39:02,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:02,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:02,437 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:02,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:02,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:02,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:02,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:02,438 INFO L229 MonitoredProcess]: Starting monitored process 872 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:02,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (872)] Waiting until timeout for monitored process [2023-12-02 21:39:03,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:03,288 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:03,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:03,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:03,398 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:03,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (872)] Ended with exit code 0 [2023-12-02 21:39:03,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:03,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:03,415 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:03,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:03,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:03,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:03,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:03,417 INFO L229 MonitoredProcess]: Starting monitored process 873 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:03,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (873)] Waiting until timeout for monitored process [2023-12-02 21:39:04,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:04,313 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:04,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:04,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:04,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:04,424 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:04,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (873)] Ended with exit code 0 [2023-12-02 21:39:04,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:04,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:04,442 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:04,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:04,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:04,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:04,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:04,443 INFO L229 MonitoredProcess]: Starting monitored process 874 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:04,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (874)] Waiting until timeout for monitored process [2023-12-02 21:39:05,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:05,264 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:05,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:39:05,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:05,442 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:05,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (874)] Ended with exit code 0 [2023-12-02 21:39:05,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:05,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:05,462 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:05,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:05,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:05,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:05,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:05,463 INFO L229 MonitoredProcess]: Starting monitored process 875 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:05,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (875)] Waiting until timeout for monitored process [2023-12-02 21:39:06,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:06,154 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:06,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:06,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:06,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:06,303 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:06,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (875)] Ended with exit code 0 [2023-12-02 21:39:06,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:06,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:06,321 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:06,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:06,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:06,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:06,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:06,322 INFO L229 MonitoredProcess]: Starting monitored process 876 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:06,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (876)] Waiting until timeout for monitored process [2023-12-02 21:39:07,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:07,045 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:07,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:07,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:39:07,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:07,219 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:07,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (876)] Ended with exit code 0 [2023-12-02 21:39:07,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:07,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:07,239 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:07,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:07,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:07,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:07,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:07,240 INFO L229 MonitoredProcess]: Starting monitored process 877 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:07,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (877)] Waiting until timeout for monitored process [2023-12-02 21:39:08,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:08,083 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:08,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:08,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:39:08,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:08,284 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:08,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (877)] Ended with exit code 0 [2023-12-02 21:39:08,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:08,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:08,304 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:08,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:08,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:08,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:08,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:08,305 INFO L229 MonitoredProcess]: Starting monitored process 878 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:08,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (878)] Waiting until timeout for monitored process [2023-12-02 21:39:09,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:09,223 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:09,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:09,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:09,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:09,336 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:09,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (878)] Ended with exit code 0 [2023-12-02 21:39:09,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:09,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:09,355 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:09,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:09,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:09,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:09,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:09,356 INFO L229 MonitoredProcess]: Starting monitored process 879 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:09,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (879)] Waiting until timeout for monitored process [2023-12-02 21:39:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:10,071 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:10,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:10,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:10,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:10,194 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:10,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (879)] Ended with exit code 0 [2023-12-02 21:39:10,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:10,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:10,213 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:10,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:10,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:10,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:10,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:10,214 INFO L229 MonitoredProcess]: Starting monitored process 880 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:10,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (880)] Waiting until timeout for monitored process [2023-12-02 21:39:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:11,053 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:11,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:11,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:39:11,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:11,210 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:11,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (880)] Ended with exit code 0 [2023-12-02 21:39:11,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:11,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:11,231 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:11,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:11,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:11,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:11,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:11,232 INFO L229 MonitoredProcess]: Starting monitored process 881 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:11,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (881)] Waiting until timeout for monitored process [2023-12-02 21:39:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:11,909 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:11,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:39:11,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:12,078 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:12,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (881)] Ended with exit code 0 [2023-12-02 21:39:12,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:12,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:12,099 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:12,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:12,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:12,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:12,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:12,100 INFO L229 MonitoredProcess]: Starting monitored process 882 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:12,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (882)] Waiting until timeout for monitored process [2023-12-02 21:39:12,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:12,917 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:12,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:12,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:13,024 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:13,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (882)] Ended with exit code 0 [2023-12-02 21:39:13,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:13,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:13,043 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:13,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:13,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:13,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:13,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:13,044 INFO L229 MonitoredProcess]: Starting monitored process 883 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:13,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (883)] Waiting until timeout for monitored process [2023-12-02 21:39:13,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:13,851 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:13,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:13,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:13,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:13,961 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:13,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (883)] Ended with exit code 0 [2023-12-02 21:39:13,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:13,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:13,982 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:13,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:13,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:13,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:13,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:13,983 INFO L229 MonitoredProcess]: Starting monitored process 884 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:13,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (884)] Waiting until timeout for monitored process [2023-12-02 21:39:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:14,871 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:14,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:14,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:14,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:14,986 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:14,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (884)] Ended with exit code 0 [2023-12-02 21:39:15,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:15,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:15,005 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:15,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:15,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:15,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:15,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:15,006 INFO L229 MonitoredProcess]: Starting monitored process 885 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:15,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (885)] Waiting until timeout for monitored process [2023-12-02 21:39:15,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:15,887 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:15,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:15,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:15,985 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:15,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (885)] Ended with exit code 0 [2023-12-02 21:39:16,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:16,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:16,003 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:16,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:16,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:16,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:16,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:16,004 INFO L229 MonitoredProcess]: Starting monitored process 886 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:16,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (886)] Waiting until timeout for monitored process [2023-12-02 21:39:16,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:16,754 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:16,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:16,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:39:16,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:16,929 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:16,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (886)] Ended with exit code 0 [2023-12-02 21:39:16,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:16,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:16,949 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:16,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:16,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:16,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:16,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:16,951 INFO L229 MonitoredProcess]: Starting monitored process 887 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:16,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (887)] Waiting until timeout for monitored process [2023-12-02 21:39:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:17,719 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:17,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:17,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:17,856 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:17,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (887)] Ended with exit code 0 [2023-12-02 21:39:17,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:17,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:17,874 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:17,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:17,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:17,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:17,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:17,875 INFO L229 MonitoredProcess]: Starting monitored process 888 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:17,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (888)] Waiting until timeout for monitored process [2023-12-02 21:39:18,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:18,753 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:18,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:18,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:18,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:18,867 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:18,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (888)] Ended with exit code 0 [2023-12-02 21:39:18,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:18,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:18,885 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:18,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:18,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:18,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:18,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:18,886 INFO L229 MonitoredProcess]: Starting monitored process 889 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:18,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (889)] Waiting until timeout for monitored process [2023-12-02 21:39:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:19,707 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:19,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:19,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:19,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:19,819 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:19,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (889)] Ended with exit code 0 [2023-12-02 21:39:19,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:19,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:19,837 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:19,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:19,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:19,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:19,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:19,838 INFO L229 MonitoredProcess]: Starting monitored process 890 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:19,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (890)] Waiting until timeout for monitored process [2023-12-02 21:39:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:20,631 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:20,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:20,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:20,737 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:20,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (890)] Ended with exit code 0 [2023-12-02 21:39:20,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:20,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:20,755 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:20,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:20,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:20,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:20,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:20,757 INFO L229 MonitoredProcess]: Starting monitored process 891 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:20,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (891)] Waiting until timeout for monitored process [2023-12-02 21:39:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:21,539 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:21,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:21,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:39:21,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:21,717 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:21,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (891)] Ended with exit code 0 [2023-12-02 21:39:21,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:21,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:21,739 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:21,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:21,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:21,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:21,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:21,740 INFO L229 MonitoredProcess]: Starting monitored process 892 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:21,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (892)] Waiting until timeout for monitored process [2023-12-02 21:39:22,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:22,575 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:22,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:39:22,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:22,731 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:22,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (892)] Ended with exit code 0 [2023-12-02 21:39:22,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:22,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:22,751 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:22,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:22,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:22,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:22,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:22,752 INFO L229 MonitoredProcess]: Starting monitored process 893 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:22,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (893)] Waiting until timeout for monitored process [2023-12-02 21:39:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:23,642 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:23,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:23,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:23,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:23,739 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:23,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (893)] Ended with exit code 0 [2023-12-02 21:39:23,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:23,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:23,758 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:23,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:23,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:23,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:23,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:23,759 INFO L229 MonitoredProcess]: Starting monitored process 894 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:23,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (894)] Waiting until timeout for monitored process [2023-12-02 21:39:24,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:24,665 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:24,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:24,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:39:24,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:24,838 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:24,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (894)] Ended with exit code 0 [2023-12-02 21:39:24,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:24,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:24,859 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:24,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:24,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:24,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:24,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:24,860 INFO L229 MonitoredProcess]: Starting monitored process 895 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:24,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (895)] Waiting until timeout for monitored process [2023-12-02 21:39:25,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:25,751 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:25,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:39:25,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:25,926 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:25,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (895)] Ended with exit code 0 [2023-12-02 21:39:25,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:25,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:25,944 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:25,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:25,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:25,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:25,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:25,945 INFO L229 MonitoredProcess]: Starting monitored process 896 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:25,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (896)] Waiting until timeout for monitored process [2023-12-02 21:39:26,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:26,818 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:26,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:26,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:26,921 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:26,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (896)] Ended with exit code 0 [2023-12-02 21:39:26,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:26,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:26,940 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:26,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:26,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:26,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:26,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:26,941 INFO L229 MonitoredProcess]: Starting monitored process 897 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:26,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (897)] Waiting until timeout for monitored process [2023-12-02 21:39:27,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:27,908 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:27,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:39:27,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:28,109 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:28,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (897)] Ended with exit code 0 [2023-12-02 21:39:28,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:28,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:28,130 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:28,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:28,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:28,130 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:28,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:28,131 INFO L229 MonitoredProcess]: Starting monitored process 898 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:28,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (898)] Waiting until timeout for monitored process [2023-12-02 21:39:29,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:29,008 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:29,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:29,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:29,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:29,115 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:29,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (898)] Ended with exit code 0 [2023-12-02 21:39:29,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:29,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:29,134 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:29,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:29,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:29,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:29,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:29,135 INFO L229 MonitoredProcess]: Starting monitored process 899 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:29,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (899)] Waiting until timeout for monitored process [2023-12-02 21:39:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:30,046 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:30,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:30,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:30,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:30,173 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:30,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (899)] Ended with exit code 0 [2023-12-02 21:39:30,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:30,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:30,193 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:30,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:30,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:30,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:30,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:30,194 INFO L229 MonitoredProcess]: Starting monitored process 900 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:30,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (900)] Waiting until timeout for monitored process [2023-12-02 21:39:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:31,046 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:31,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:31,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:31,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:31,156 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:31,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (900)] Ended with exit code 0 [2023-12-02 21:39:31,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:31,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:31,176 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:31,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:31,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:31,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:31,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:31,177 INFO L229 MonitoredProcess]: Starting monitored process 901 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:31,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (901)] Waiting until timeout for monitored process [2023-12-02 21:39:32,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:32,104 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:32,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:39:32,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:32,273 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:32,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (901)] Ended with exit code 0 [2023-12-02 21:39:32,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:32,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:32,293 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:32,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:32,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:32,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:32,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:32,294 INFO L229 MonitoredProcess]: Starting monitored process 902 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:32,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (902)] Waiting until timeout for monitored process [2023-12-02 21:39:33,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:33,119 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:33,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:33,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:33,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:33,231 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:33,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (902)] Ended with exit code 0 [2023-12-02 21:39:33,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:33,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:33,249 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:33,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:33,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:33,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:33,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:33,250 INFO L229 MonitoredProcess]: Starting monitored process 903 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:33,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (903)] Waiting until timeout for monitored process [2023-12-02 21:39:34,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:34,085 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:34,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:34,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:34,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:34,196 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:34,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (903)] Ended with exit code 0 [2023-12-02 21:39:34,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:34,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:34,215 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:34,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:34,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:34,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:34,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:34,216 INFO L229 MonitoredProcess]: Starting monitored process 904 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:34,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (904)] Waiting until timeout for monitored process [2023-12-02 21:39:35,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:35,008 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:35,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:35,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:35,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:35,123 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:35,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (904)] Ended with exit code 0 [2023-12-02 21:39:35,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:35,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:35,142 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:35,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:35,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:35,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:35,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:35,143 INFO L229 MonitoredProcess]: Starting monitored process 905 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:35,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (905)] Waiting until timeout for monitored process [2023-12-02 21:39:35,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:35,927 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:35,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 21:39:35,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:36,073 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:36,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (905)] Ended with exit code 0 [2023-12-02 21:39:36,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:36,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:36,093 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:36,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:36,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:36,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:36,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:36,094 INFO L229 MonitoredProcess]: Starting monitored process 906 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:36,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (906)] Waiting until timeout for monitored process [2023-12-02 21:39:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:36,810 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:36,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:36,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:36,920 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:36,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (906)] Ended with exit code 0 [2023-12-02 21:39:36,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:36,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:36,944 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:36,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:36,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:36,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:36,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:36,945 INFO L229 MonitoredProcess]: Starting monitored process 907 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:36,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (907)] Waiting until timeout for monitored process [2023-12-02 21:39:37,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:37,783 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:37,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:37,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:37,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:37,897 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:37,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (907)] Ended with exit code 0 [2023-12-02 21:39:37,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:37,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:37,915 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:37,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:37,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:37,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:37,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:37,916 INFO L229 MonitoredProcess]: Starting monitored process 908 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:37,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (908)] Waiting until timeout for monitored process [2023-12-02 21:39:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:38,818 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:38,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:38,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:38,922 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:38,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (908)] Ended with exit code 0 [2023-12-02 21:39:38,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:38,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:38,941 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:38,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:38,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:38,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:38,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:38,942 INFO L229 MonitoredProcess]: Starting monitored process 909 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:38,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (909)] Waiting until timeout for monitored process [2023-12-02 21:39:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:39,888 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:39,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:39,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:39,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:39,989 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:40,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (909)] Ended with exit code 0 [2023-12-02 21:39:40,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:40,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:40,014 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:40,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:40,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:40,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:40,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:40,015 INFO L229 MonitoredProcess]: Starting monitored process 910 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:40,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (910)] Waiting until timeout for monitored process [2023-12-02 21:39:40,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:40,820 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:40,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:40,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:40,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:40,931 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:40,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (910)] Ended with exit code 0 [2023-12-02 21:39:40,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:40,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:40,951 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:40,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:40,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:40,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:40,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:40,952 INFO L229 MonitoredProcess]: Starting monitored process 911 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:40,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (911)] Waiting until timeout for monitored process [2023-12-02 21:39:41,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:41,877 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:41,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:41,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:41,973 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:41,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (911)] Ended with exit code 0 [2023-12-02 21:39:41,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:41,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:41,992 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:41,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:41,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:41,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:41,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:41,993 INFO L229 MonitoredProcess]: Starting monitored process 912 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:41,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (912)] Waiting until timeout for monitored process [2023-12-02 21:39:42,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:42,910 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:42,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:42,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:42,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:43,006 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:43,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (912)] Ended with exit code 0 [2023-12-02 21:39:43,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:43,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:43,026 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:43,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:43,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:43,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:43,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:43,027 INFO L229 MonitoredProcess]: Starting monitored process 913 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:43,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (913)] Waiting until timeout for monitored process [2023-12-02 21:39:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:43,812 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:43,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:39:43,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:43,971 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:43,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (913)] Ended with exit code 0 [2023-12-02 21:39:43,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:43,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:43,992 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:43,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:43,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:43,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:43,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:43,993 INFO L229 MonitoredProcess]: Starting monitored process 914 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:43,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (914)] Waiting until timeout for monitored process [2023-12-02 21:39:44,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:44,745 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:44,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:44,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:44,846 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:44,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (914)] Ended with exit code 0 [2023-12-02 21:39:44,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:44,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:44,866 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:44,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:44,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:44,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:44,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:44,868 INFO L229 MonitoredProcess]: Starting monitored process 915 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:44,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (915)] Waiting until timeout for monitored process [2023-12-02 21:39:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:45,759 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:45,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:39:45,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:45,907 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:45,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (915)] Ended with exit code 0 [2023-12-02 21:39:45,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:45,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:45,927 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:45,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:45,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:45,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:45,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:45,928 INFO L229 MonitoredProcess]: Starting monitored process 916 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:45,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (916)] Waiting until timeout for monitored process [2023-12-02 21:39:46,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:46,886 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:46,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:46,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:47,007 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:47,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (916)] Ended with exit code 0 [2023-12-02 21:39:47,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:47,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:47,026 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:47,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:47,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:47,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:47,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:47,027 INFO L229 MonitoredProcess]: Starting monitored process 917 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:47,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (917)] Waiting until timeout for monitored process [2023-12-02 21:39:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:47,874 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:47,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:47,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:47,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:48,004 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:48,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (917)] Ended with exit code 0 [2023-12-02 21:39:48,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:48,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:48,023 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:48,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:48,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:48,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:48,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:48,024 INFO L229 MonitoredProcess]: Starting monitored process 918 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:48,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (918)] Waiting until timeout for monitored process [2023-12-02 21:39:48,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:48,978 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:49,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:39:49,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:49,139 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:49,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (918)] Ended with exit code 0 [2023-12-02 21:39:49,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:49,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:49,158 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:49,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:49,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:49,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:49,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:49,159 INFO L229 MonitoredProcess]: Starting monitored process 919 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:49,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (919)] Waiting until timeout for monitored process [2023-12-02 21:39:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:50,018 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:50,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:50,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:50,115 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:50,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (919)] Ended with exit code 0 [2023-12-02 21:39:50,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:50,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:50,133 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:50,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:50,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:50,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:50,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:50,134 INFO L229 MonitoredProcess]: Starting monitored process 920 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:50,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (920)] Waiting until timeout for monitored process [2023-12-02 21:39:50,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:50,938 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:50,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:50,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:51,045 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:51,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (920)] Ended with exit code 0 [2023-12-02 21:39:51,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:51,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:51,064 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:51,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:51,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:51,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:51,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:51,065 INFO L229 MonitoredProcess]: Starting monitored process 921 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:51,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (921)] Waiting until timeout for monitored process [2023-12-02 21:39:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:51,999 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:52,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:52,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:52,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:52,106 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:52,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (921)] Ended with exit code 0 [2023-12-02 21:39:52,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:52,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:52,126 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:52,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:52,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:52,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:52,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:52,127 INFO L229 MonitoredProcess]: Starting monitored process 922 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:52,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (922)] Waiting until timeout for monitored process [2023-12-02 21:39:53,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:53,002 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:53,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:53,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:53,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:53,142 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:53,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (922)] Ended with exit code 0 [2023-12-02 21:39:53,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:53,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:53,164 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:53,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:53,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:53,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:53,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:53,165 INFO L229 MonitoredProcess]: Starting monitored process 923 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:53,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (923)] Waiting until timeout for monitored process [2023-12-02 21:39:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:54,036 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:54,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:54,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:54,158 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:54,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (923)] Ended with exit code 0 [2023-12-02 21:39:54,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:54,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:54,177 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:54,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:54,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:54,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:54,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:54,178 INFO L229 MonitoredProcess]: Starting monitored process 924 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:54,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (924)] Waiting until timeout for monitored process [2023-12-02 21:39:55,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:55,024 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:55,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:55,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:55,125 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:55,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (924)] Ended with exit code 0 [2023-12-02 21:39:55,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:55,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:55,145 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:55,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:55,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:55,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:55,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:55,146 INFO L229 MonitoredProcess]: Starting monitored process 925 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:55,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (925)] Waiting until timeout for monitored process [2023-12-02 21:39:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:56,058 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:56,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:56,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:56,163 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:56,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (925)] Forceful destruction successful, exit code 0 [2023-12-02 21:39:56,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:56,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:56,182 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:56,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:56,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:56,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:56,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:56,183 INFO L229 MonitoredProcess]: Starting monitored process 926 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:56,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (926)] Waiting until timeout for monitored process [2023-12-02 21:39:56,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:56,982 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:57,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:57,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:57,092 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:57,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (926)] Ended with exit code 0 [2023-12-02 21:39:57,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:57,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:57,117 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:57,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:57,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:57,117 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:57,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:57,118 INFO L229 MonitoredProcess]: Starting monitored process 927 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:57,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (927)] Waiting until timeout for monitored process [2023-12-02 21:39:58,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:58,072 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:58,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:58,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:58,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:58,186 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:58,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (927)] Ended with exit code 0 [2023-12-02 21:39:58,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:58,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:58,207 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:58,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:58,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:58,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:58,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:58,208 INFO L229 MonitoredProcess]: Starting monitored process 928 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:58,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (928)] Waiting until timeout for monitored process [2023-12-02 21:39:59,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:59,143 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:59,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:59,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:39:59,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:59,257 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:59,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (928)] Ended with exit code 0 [2023-12-02 21:39:59,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:59,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:39:59,277 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:39:59,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:39:59,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:59,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:59,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:59,278 INFO L229 MonitoredProcess]: Starting monitored process 929 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:59,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (929)] Waiting until timeout for monitored process [2023-12-02 21:40:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:00,246 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:00,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:00,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:40:00,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:00,352 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:00,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (929)] Ended with exit code 0 [2023-12-02 21:40:00,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:00,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:00,379 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:00,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:00,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:00,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:00,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:00,380 INFO L229 MonitoredProcess]: Starting monitored process 930 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:00,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (930)] Waiting until timeout for monitored process [2023-12-02 21:40:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:01,341 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:01,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:01,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:40:01,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:01,455 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:01,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (930)] Ended with exit code 0 [2023-12-02 21:40:01,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:01,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:01,475 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:01,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:01,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:01,476 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:01,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:01,476 INFO L229 MonitoredProcess]: Starting monitored process 931 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:01,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (931)] Waiting until timeout for monitored process [2023-12-02 21:40:02,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:02,318 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:02,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:40:02,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:02,411 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:02,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (931)] Ended with exit code 0 [2023-12-02 21:40:02,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:02,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:02,431 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:02,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:02,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:02,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:02,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:02,432 INFO L229 MonitoredProcess]: Starting monitored process 932 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:02,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (932)] Waiting until timeout for monitored process [2023-12-02 21:40:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:03,392 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:03,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:03,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:40:03,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:03,571 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:03,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (932)] Ended with exit code 0 [2023-12-02 21:40:03,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:03,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:03,590 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:03,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:03,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:03,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:03,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:03,591 INFO L229 MonitoredProcess]: Starting monitored process 933 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:03,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (933)] Waiting until timeout for monitored process [2023-12-02 21:40:04,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:04,483 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:04,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:40:04,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:04,587 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:04,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (933)] Ended with exit code 0 [2023-12-02 21:40:04,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:04,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:04,606 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:04,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:04,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:04,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:04,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:04,607 INFO L229 MonitoredProcess]: Starting monitored process 934 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:04,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (934)] Waiting until timeout for monitored process [2023-12-02 21:40:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:05,528 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:05,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:05,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:40:05,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:05,653 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:05,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (934)] Ended with exit code 0 [2023-12-02 21:40:05,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:05,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:05,673 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:05,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:05,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:05,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:05,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:05,674 INFO L229 MonitoredProcess]: Starting monitored process 935 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:05,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (935)] Waiting until timeout for monitored process [2023-12-02 21:40:06,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:06,593 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:06,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 21:40:06,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:06,779 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:06,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (935)] Ended with exit code 0 [2023-12-02 21:40:06,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:06,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:06,798 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:06,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:06,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:06,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:06,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:06,799 INFO L229 MonitoredProcess]: Starting monitored process 936 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:06,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (936)] Waiting until timeout for monitored process [2023-12-02 21:40:07,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:07,671 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:07,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:40:07,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:07,818 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:07,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (936)] Ended with exit code 0 [2023-12-02 21:40:07,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:07,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:07,836 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:07,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:07,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:07,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:07,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:07,837 INFO L229 MonitoredProcess]: Starting monitored process 937 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:07,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (937)] Waiting until timeout for monitored process [2023-12-02 21:40:08,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:08,730 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:08,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:08,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:40:08,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:08,849 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:08,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (937)] Ended with exit code 0 [2023-12-02 21:40:08,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:08,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:08,868 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:08,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:08,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:08,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:08,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:08,869 INFO L229 MonitoredProcess]: Starting monitored process 938 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:08,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (938)] Waiting until timeout for monitored process [2023-12-02 21:40:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:09,782 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:09,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:09,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:40:09,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:09,945 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:09,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (938)] Ended with exit code 0 [2023-12-02 21:40:09,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:09,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:09,965 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:09,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:09,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:09,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:09,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:09,966 INFO L229 MonitoredProcess]: Starting monitored process 939 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:09,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (939)] Waiting until timeout for monitored process [2023-12-02 21:40:10,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:10,714 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:10,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:40:10,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:10,813 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:10,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (939)] Ended with exit code 0 [2023-12-02 21:40:10,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:10,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:10,832 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:10,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:10,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:10,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:10,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:10,832 INFO L229 MonitoredProcess]: Starting monitored process 940 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:10,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (940)] Waiting until timeout for monitored process [2023-12-02 21:40:11,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:11,735 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:11,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:40:11,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:11,909 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:11,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (940)] Ended with exit code 0 [2023-12-02 21:40:11,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:11,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:11,931 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:11,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:11,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:11,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:11,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:11,933 INFO L229 MonitoredProcess]: Starting monitored process 941 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:11,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (941)] Waiting until timeout for monitored process [2023-12-02 21:40:12,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:12,820 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:12,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:40:12,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:12,931 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:12,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (941)] Ended with exit code 0 [2023-12-02 21:40:12,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:12,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:12,950 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:12,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:12,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:12,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:12,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:12,951 INFO L229 MonitoredProcess]: Starting monitored process 942 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:12,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (942)] Waiting until timeout for monitored process [2023-12-02 21:40:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:13,848 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:13,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:40:13,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:14,018 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:14,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (942)] Ended with exit code 0 [2023-12-02 21:40:14,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:14,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:14,038 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:14,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:14,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:14,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:14,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:14,039 INFO L229 MonitoredProcess]: Starting monitored process 943 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:14,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (943)] Waiting until timeout for monitored process [2023-12-02 21:40:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:14,920 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:14,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:14,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:40:14,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:15,074 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:15,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (943)] Ended with exit code 0 [2023-12-02 21:40:15,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:15,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:15,093 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:15,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:15,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:15,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:15,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:15,094 INFO L229 MonitoredProcess]: Starting monitored process 944 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:15,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (944)] Waiting until timeout for monitored process [2023-12-02 21:40:15,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:15,975 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:16,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:40:16,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:16,154 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:16,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (944)] Ended with exit code 0 [2023-12-02 21:40:16,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:16,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:16,175 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:16,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:16,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:16,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:16,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:16,176 INFO L229 MonitoredProcess]: Starting monitored process 945 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:16,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (945)] Waiting until timeout for monitored process [2023-12-02 21:40:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:17,082 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:17,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:40:17,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:17,180 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:17,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (945)] Forceful destruction successful, exit code 0 [2023-12-02 21:40:17,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:17,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:17,206 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:17,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:17,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:17,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:17,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:17,207 INFO L229 MonitoredProcess]: Starting monitored process 946 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:17,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (946)] Waiting until timeout for monitored process [2023-12-02 21:40:18,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:18,060 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:18,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:18,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:40:18,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:18,157 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:18,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (946)] Ended with exit code 0 [2023-12-02 21:40:18,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:18,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:18,177 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:18,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:18,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:18,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:18,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:18,178 INFO L229 MonitoredProcess]: Starting monitored process 947 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:18,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (947)] Waiting until timeout for monitored process [2023-12-02 21:40:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:19,004 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:19,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:19,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:40:19,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:19,120 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:19,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (947)] Ended with exit code 0 [2023-12-02 21:40:19,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:19,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:19,140 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:19,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:19,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:19,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:19,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:19,141 INFO L229 MonitoredProcess]: Starting monitored process 948 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:19,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (948)] Waiting until timeout for monitored process [2023-12-02 21:40:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:20,127 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:20,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:40:20,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:20,232 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:20,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (948)] Ended with exit code 0 [2023-12-02 21:40:20,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:20,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:20,260 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:20,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:20,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:20,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:20,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:20,261 INFO L229 MonitoredProcess]: Starting monitored process 949 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:20,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (949)] Waiting until timeout for monitored process [2023-12-02 21:40:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:21,199 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:21,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:21,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:40:21,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:21,304 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:21,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (949)] Ended with exit code 0 [2023-12-02 21:40:21,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:21,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:21,325 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:21,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:21,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:21,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:21,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:21,326 INFO L229 MonitoredProcess]: Starting monitored process 950 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:21,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (950)] Waiting until timeout for monitored process [2023-12-02 21:40:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:22,270 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:22,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:40:22,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:22,466 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:22,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (950)] Ended with exit code 0 [2023-12-02 21:40:22,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:22,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:22,489 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:22,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:22,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:22,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:22,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:22,490 INFO L229 MonitoredProcess]: Starting monitored process 951 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:22,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (951)] Waiting until timeout for monitored process [2023-12-02 21:40:23,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:23,282 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:23,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:23,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:40:23,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:23,386 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:23,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (951)] Ended with exit code 0 [2023-12-02 21:40:23,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:23,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:23,408 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:23,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:23,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:23,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:23,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:23,409 INFO L229 MonitoredProcess]: Starting monitored process 952 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:23,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (952)] Waiting until timeout for monitored process [2023-12-02 21:40:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:24,330 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:24,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:40:24,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:24,497 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:24,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (952)] Ended with exit code 0 [2023-12-02 21:40:24,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:24,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:24,519 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:24,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:24,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:24,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:24,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:24,520 INFO L229 MonitoredProcess]: Starting monitored process 953 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:24,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (953)] Waiting until timeout for monitored process [2023-12-02 21:40:25,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:25,356 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:25,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:40:25,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:25,521 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:25,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (953)] Ended with exit code 0 [2023-12-02 21:40:25,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:25,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:25,542 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:25,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:25,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:25,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:25,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:25,544 INFO L229 MonitoredProcess]: Starting monitored process 954 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:25,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (954)] Waiting until timeout for monitored process [2023-12-02 21:40:26,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:26,461 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:26,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:40:26,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:26,635 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:26,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (954)] Ended with exit code 0 [2023-12-02 21:40:26,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:26,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:26,654 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:26,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:26,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:26,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:26,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:26,655 INFO L229 MonitoredProcess]: Starting monitored process 955 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:26,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (955)] Waiting until timeout for monitored process [2023-12-02 21:40:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:27,615 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:27,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:40:27,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:27,781 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:27,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (955)] Ended with exit code 0 [2023-12-02 21:40:27,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:27,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:27,802 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:27,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:27,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:27,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:27,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:27,803 INFO L229 MonitoredProcess]: Starting monitored process 956 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:27,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (956)] Waiting until timeout for monitored process [2023-12-02 21:40:28,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:28,706 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:28,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:40:28,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:28,861 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:28,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (956)] Ended with exit code 0 [2023-12-02 21:40:28,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:28,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:28,882 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:28,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:28,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:28,883 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:28,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:28,883 INFO L229 MonitoredProcess]: Starting monitored process 957 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:28,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (957)] Waiting until timeout for monitored process [2023-12-02 21:40:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:29,846 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:29,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:29,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:40:29,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:30,012 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:30,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (957)] Ended with exit code 0 [2023-12-02 21:40:30,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:30,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:30,033 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:30,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:30,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:30,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:30,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:30,035 INFO L229 MonitoredProcess]: Starting monitored process 958 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:30,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (958)] Waiting until timeout for monitored process [2023-12-02 21:40:30,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:30,955 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:30,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:30,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:40:30,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:31,071 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:31,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (958)] Forceful destruction successful, exit code 0 [2023-12-02 21:40:31,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:31,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:31,096 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:31,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:31,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:31,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:31,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:31,097 INFO L229 MonitoredProcess]: Starting monitored process 959 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:31,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (959)] Waiting until timeout for monitored process [2023-12-02 21:40:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:32,016 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:32,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:40:32,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:32,201 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:32,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (959)] Ended with exit code 0 [2023-12-02 21:40:32,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:32,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:32,219 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:32,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:32,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:32,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:32,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:32,220 INFO L229 MonitoredProcess]: Starting monitored process 960 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:32,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (960)] Waiting until timeout for monitored process [2023-12-02 21:40:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:33,109 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:33,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:40:33,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:33,202 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:33,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (960)] Ended with exit code 0 [2023-12-02 21:40:33,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:33,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:33,222 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:33,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:33,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:33,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:33,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:33,223 INFO L229 MonitoredProcess]: Starting monitored process 961 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:33,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (961)] Waiting until timeout for monitored process [2023-12-02 21:40:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:34,332 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:34,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:40:34,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:34,445 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:34,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (961)] Ended with exit code 0 [2023-12-02 21:40:34,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:34,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:34,466 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:34,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:34,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:34,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:34,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:34,467 INFO L229 MonitoredProcess]: Starting monitored process 962 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:34,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (962)] Waiting until timeout for monitored process [2023-12-02 21:40:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:35,374 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:35,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:40:35,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:35,524 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:35,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (962)] Ended with exit code 0 [2023-12-02 21:40:35,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:35,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:35,544 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:35,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:35,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:35,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:35,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:35,545 INFO L229 MonitoredProcess]: Starting monitored process 963 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:35,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (963)] Waiting until timeout for monitored process [2023-12-02 21:40:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:36,473 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:36,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:36,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:40:36,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:36,564 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:36,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (963)] Ended with exit code 0 [2023-12-02 21:40:36,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:36,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:36,584 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:36,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:36,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:36,584 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:36,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:36,585 INFO L229 MonitoredProcess]: Starting monitored process 964 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:36,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (964)] Waiting until timeout for monitored process [2023-12-02 21:40:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:37,517 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:37,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:37,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:40:37,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:37,657 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:37,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (964)] Ended with exit code 0 [2023-12-02 21:40:37,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:37,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:37,678 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:37,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:37,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:37,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:37,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:37,679 INFO L229 MonitoredProcess]: Starting monitored process 965 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:37,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (965)] Waiting until timeout for monitored process [2023-12-02 21:40:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:38,678 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:38,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:40:38,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:38,767 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:38,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (965)] Ended with exit code 0 [2023-12-02 21:40:38,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:38,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:38,784 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:38,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:38,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:38,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:38,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:38,785 INFO L229 MonitoredProcess]: Starting monitored process 966 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:38,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (966)] Waiting until timeout for monitored process [2023-12-02 21:40:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:39,583 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:39,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:39,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:40:39,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:39,748 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:39,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (966)] Ended with exit code 0 [2023-12-02 21:40:39,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:39,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:39,765 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:39,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:39,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:39,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:39,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:39,766 INFO L229 MonitoredProcess]: Starting monitored process 967 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:39,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (967)] Waiting until timeout for monitored process [2023-12-02 21:40:40,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:40,732 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:40,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:40:40,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:40,846 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:40,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (967)] Ended with exit code 0 [2023-12-02 21:40:40,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:40,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:40,867 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:40,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:40,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:40,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:40,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:40,868 INFO L229 MonitoredProcess]: Starting monitored process 968 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:40,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (968)] Waiting until timeout for monitored process [2023-12-02 21:40:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:41,814 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:41,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:40:41,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:41,929 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:41,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (968)] Ended with exit code 0 [2023-12-02 21:40:41,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:41,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:41,949 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:41,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:41,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:41,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:41,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:41,950 INFO L229 MonitoredProcess]: Starting monitored process 969 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:41,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (969)] Waiting until timeout for monitored process [2023-12-02 21:40:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:42,894 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:42,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:42,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:40:42,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:43,006 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:43,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (969)] Ended with exit code 0 [2023-12-02 21:40:43,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:43,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:43,027 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:43,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:43,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:43,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:43,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:43,028 INFO L229 MonitoredProcess]: Starting monitored process 970 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:43,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (970)] Waiting until timeout for monitored process [2023-12-02 21:40:44,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:44,000 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:44,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:40:44,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:44,124 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:44,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (970)] Ended with exit code 0 [2023-12-02 21:40:44,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:44,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:44,144 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:44,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:44,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:44,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:44,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:44,145 INFO L229 MonitoredProcess]: Starting monitored process 971 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:44,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (971)] Waiting until timeout for monitored process [2023-12-02 21:40:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:45,076 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:45,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:45,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:40:45,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:45,196 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:45,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (971)] Ended with exit code 0 [2023-12-02 21:40:45,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:45,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:45,216 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:45,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:45,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:45,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:45,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:45,217 INFO L229 MonitoredProcess]: Starting monitored process 972 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:45,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (972)] Waiting until timeout for monitored process [2023-12-02 21:40:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:46,169 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:46,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:40:46,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:46,289 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:46,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (972)] Forceful destruction successful, exit code 0 [2023-12-02 21:40:46,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:46,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:46,310 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:46,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:46,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:46,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:46,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:46,311 INFO L229 MonitoredProcess]: Starting monitored process 973 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:46,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (973)] Waiting until timeout for monitored process [2023-12-02 21:40:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:47,253 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:47,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:40:47,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:47,369 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:47,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (973)] Ended with exit code 0 [2023-12-02 21:40:47,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:47,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:47,387 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:47,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:47,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:47,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:47,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:47,388 INFO L229 MonitoredProcess]: Starting monitored process 974 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:47,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (974)] Waiting until timeout for monitored process [2023-12-02 21:40:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:48,302 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:48,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:40:48,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:48,409 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:48,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (974)] Ended with exit code 0 [2023-12-02 21:40:48,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:48,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:48,426 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:48,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:48,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:48,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:48,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:48,427 INFO L229 MonitoredProcess]: Starting monitored process 975 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:48,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (975)] Waiting until timeout for monitored process [2023-12-02 21:40:49,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:49,375 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:49,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:40:49,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:49,552 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:49,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (975)] Ended with exit code 0 [2023-12-02 21:40:49,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:49,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:49,574 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:49,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:49,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:49,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:49,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:49,575 INFO L229 MonitoredProcess]: Starting monitored process 976 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:49,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (976)] Waiting until timeout for monitored process [2023-12-02 21:40:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:50,691 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:50,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:40:50,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:50,817 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:50,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (976)] Ended with exit code 0 [2023-12-02 21:40:50,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:50,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:50,837 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:50,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:50,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:50,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:50,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:50,838 INFO L229 MonitoredProcess]: Starting monitored process 977 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:50,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (977)] Waiting until timeout for monitored process [2023-12-02 21:40:51,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:51,809 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:51,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:40:51,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:51,932 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:51,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (977)] Ended with exit code 0 [2023-12-02 21:40:51,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:51,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:51,952 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:51,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:51,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:51,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:51,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:51,953 INFO L229 MonitoredProcess]: Starting monitored process 978 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:51,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (978)] Waiting until timeout for monitored process [2023-12-02 21:40:53,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:53,006 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:53,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:53,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:40:53,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:53,116 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:53,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (978)] Ended with exit code 0 [2023-12-02 21:40:53,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:53,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:53,137 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:53,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:53,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:53,137 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:53,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:53,138 INFO L229 MonitoredProcess]: Starting monitored process 979 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:53,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (979)] Waiting until timeout for monitored process [2023-12-02 21:40:54,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:54,098 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:54,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:54,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:40:54,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:54,193 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:54,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (979)] Ended with exit code 0 [2023-12-02 21:40:54,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:54,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:54,210 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:54,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:54,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:54,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:54,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:54,211 INFO L229 MonitoredProcess]: Starting monitored process 980 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:54,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (980)] Waiting until timeout for monitored process [2023-12-02 21:40:55,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:55,202 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:55,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:40:55,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:55,353 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:55,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (980)] Ended with exit code 0 [2023-12-02 21:40:55,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:55,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:55,370 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:55,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:55,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:55,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:55,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:55,371 INFO L229 MonitoredProcess]: Starting monitored process 981 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:55,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (981)] Waiting until timeout for monitored process [2023-12-02 21:40:56,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:56,389 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:56,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:56,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:40:56,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:56,498 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:56,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (981)] Ended with exit code 0 [2023-12-02 21:40:56,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:56,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:56,520 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:56,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:56,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:56,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:56,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:56,522 INFO L229 MonitoredProcess]: Starting monitored process 982 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:56,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (982)] Waiting until timeout for monitored process [2023-12-02 21:40:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:57,560 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:57,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:57,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:40:57,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:57,660 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:57,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (982)] Ended with exit code 0 [2023-12-02 21:40:57,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:57,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:57,679 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:57,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:57,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:57,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:57,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:57,680 INFO L229 MonitoredProcess]: Starting monitored process 983 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:57,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (983)] Waiting until timeout for monitored process [2023-12-02 21:40:58,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:58,694 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:58,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:40:58,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:58,879 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:40:58,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (983)] Ended with exit code 0 [2023-12-02 21:40:58,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:58,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:40:58,902 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:40:58,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:40:58,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:58,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:58,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:58,903 INFO L229 MonitoredProcess]: Starting monitored process 984 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:58,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (984)] Waiting until timeout for monitored process [2023-12-02 21:40:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:59,952 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:59,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:40:59,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:00,066 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:00,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (984)] Ended with exit code 0 [2023-12-02 21:41:00,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:00,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:00,086 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:00,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:00,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:00,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:00,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:00,088 INFO L229 MonitoredProcess]: Starting monitored process 985 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:00,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (985)] Waiting until timeout for monitored process [2023-12-02 21:41:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:01,101 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:01,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:01,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:41:01,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:01,273 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:01,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (985)] Ended with exit code 0 [2023-12-02 21:41:01,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:01,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:01,293 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:01,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:01,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:01,294 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:01,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:01,294 INFO L229 MonitoredProcess]: Starting monitored process 986 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:01,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (986)] Waiting until timeout for monitored process [2023-12-02 21:41:02,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:02,171 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:02,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:02,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:41:02,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:02,318 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:02,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (986)] Ended with exit code 0 [2023-12-02 21:41:02,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:02,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:02,338 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:02,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:02,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:02,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:02,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:02,339 INFO L229 MonitoredProcess]: Starting monitored process 987 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:02,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (987)] Waiting until timeout for monitored process [2023-12-02 21:41:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:03,266 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:03,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:41:03,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:03,372 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:03,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (987)] Ended with exit code 0 [2023-12-02 21:41:03,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:03,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:03,391 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:03,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:03,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:03,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:03,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:03,392 INFO L229 MonitoredProcess]: Starting monitored process 988 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:03,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (988)] Waiting until timeout for monitored process [2023-12-02 21:41:04,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:04,432 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:04,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:04,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:41:04,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:04,540 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:04,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (988)] Ended with exit code 0 [2023-12-02 21:41:04,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:04,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:04,562 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:04,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:04,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:04,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:04,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:04,563 INFO L229 MonitoredProcess]: Starting monitored process 989 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:04,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (989)] Waiting until timeout for monitored process [2023-12-02 21:41:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:05,514 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:05,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:05,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:41:05,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:05,615 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:05,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (989)] Ended with exit code 0 [2023-12-02 21:41:05,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:05,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:05,637 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:05,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:05,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:05,638 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:05,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:05,638 INFO L229 MonitoredProcess]: Starting monitored process 990 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:05,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (990)] Waiting until timeout for monitored process [2023-12-02 21:41:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:06,671 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:06,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:06,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:41:06,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:06,849 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:06,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (990)] Ended with exit code 0 [2023-12-02 21:41:06,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:06,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:06,871 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:06,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:06,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:06,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:06,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:06,872 INFO L229 MonitoredProcess]: Starting monitored process 991 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:06,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (991)] Waiting until timeout for monitored process [2023-12-02 21:41:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:07,817 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:07,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:07,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 21:41:07,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:07,977 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:07,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (991)] Ended with exit code 0 [2023-12-02 21:41:07,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:07,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:07,994 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:07,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:07,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:07,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:07,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:07,995 INFO L229 MonitoredProcess]: Starting monitored process 992 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:07,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (992)] Waiting until timeout for monitored process [2023-12-02 21:41:08,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:08,984 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:09,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:41:09,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:09,090 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:09,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (992)] Ended with exit code 0 [2023-12-02 21:41:09,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:09,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:09,117 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:09,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:09,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:09,117 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:09,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:09,118 INFO L229 MonitoredProcess]: Starting monitored process 993 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:09,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (993)] Waiting until timeout for monitored process [2023-12-02 21:41:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:10,078 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:10,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:10,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:41:10,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:10,190 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:10,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (993)] Ended with exit code 0 [2023-12-02 21:41:10,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:10,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:10,211 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:10,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:10,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:10,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:10,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:10,213 INFO L229 MonitoredProcess]: Starting monitored process 994 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:10,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (994)] Waiting until timeout for monitored process [2023-12-02 21:41:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:11,147 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:11,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:11,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:41:11,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:11,239 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:11,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (994)] Ended with exit code 0 [2023-12-02 21:41:11,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:11,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:11,258 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:11,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:11,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:11,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:11,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:11,259 INFO L229 MonitoredProcess]: Starting monitored process 995 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:11,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (995)] Waiting until timeout for monitored process [2023-12-02 21:41:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:12,182 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:12,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:41:12,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:12,290 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:12,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (995)] Ended with exit code 0 [2023-12-02 21:41:12,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:12,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:12,308 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:12,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:12,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:12,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:12,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:12,309 INFO L229 MonitoredProcess]: Starting monitored process 996 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:12,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (996)] Waiting until timeout for monitored process [2023-12-02 21:41:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:13,283 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:13,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:13,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:41:13,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:13,391 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:13,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (996)] Ended with exit code 0 [2023-12-02 21:41:13,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:13,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:13,413 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:13,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:13,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:13,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:13,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:13,414 INFO L229 MonitoredProcess]: Starting monitored process 997 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:13,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (997)] Waiting until timeout for monitored process [2023-12-02 21:41:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:14,427 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:14,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:14,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:41:14,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:14,554 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:14,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (997)] Ended with exit code 0 [2023-12-02 21:41:14,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:14,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:14,576 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:14,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:14,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:14,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:14,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:14,577 INFO L229 MonitoredProcess]: Starting monitored process 998 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:14,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (998)] Waiting until timeout for monitored process [2023-12-02 21:41:15,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:15,583 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:15,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:41:15,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:15,702 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:15,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (998)] Forceful destruction successful, exit code 0 [2023-12-02 21:41:15,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:15,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:15,723 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:15,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:15,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:15,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:15,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:15,724 INFO L229 MonitoredProcess]: Starting monitored process 999 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:15,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (999)] Waiting until timeout for monitored process [2023-12-02 21:41:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:16,712 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:16,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:16,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:41:16,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:16,809 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:16,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (999)] Ended with exit code 0 [2023-12-02 21:41:16,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:16,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:16,830 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:16,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:16,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:16,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:16,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:16,832 INFO L229 MonitoredProcess]: Starting monitored process 1000 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:16,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1000)] Waiting until timeout for monitored process [2023-12-02 21:41:17,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:17,795 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:17,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:41:17,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:17,902 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:17,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1000)] Ended with exit code 0 [2023-12-02 21:41:17,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:17,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:17,924 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:17,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:17,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:17,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:17,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:17,925 INFO L229 MonitoredProcess]: Starting monitored process 1001 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:17,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1001)] Waiting until timeout for monitored process [2023-12-02 21:41:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:18,903 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:18,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:18,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:41:18,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:19,089 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:19,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1001)] Ended with exit code 0 [2023-12-02 21:41:19,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:19,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:19,109 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:19,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:19,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:19,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:19,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:19,110 INFO L229 MonitoredProcess]: Starting monitored process 1002 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:19,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1002)] Waiting until timeout for monitored process [2023-12-02 21:41:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:20,098 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:20,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:41:20,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:20,218 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:20,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1002)] Ended with exit code 0 [2023-12-02 21:41:20,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:20,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:20,238 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:20,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:20,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:20,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:20,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:20,239 INFO L229 MonitoredProcess]: Starting monitored process 1003 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:20,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1003)] Waiting until timeout for monitored process [2023-12-02 21:41:21,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:21,082 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:21,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:41:21,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:21,251 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:21,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1003)] Ended with exit code 0 [2023-12-02 21:41:21,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:21,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:21,273 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:21,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:21,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:21,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:21,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:21,274 INFO L229 MonitoredProcess]: Starting monitored process 1004 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:21,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1004)] Waiting until timeout for monitored process [2023-12-02 21:41:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:22,261 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:22,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:22,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 21:41:22,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:22,406 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:22,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1004)] Ended with exit code 0 [2023-12-02 21:41:22,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:22,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:22,429 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:22,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:22,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:22,429 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:22,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:22,430 INFO L229 MonitoredProcess]: Starting monitored process 1005 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:22,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1005)] Waiting until timeout for monitored process [2023-12-02 21:41:23,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:23,280 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:23,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:23,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:41:23,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:23,381 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:23,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1005)] Ended with exit code 0 [2023-12-02 21:41:23,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:23,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:23,404 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:23,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:23,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:23,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:23,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:23,405 INFO L229 MonitoredProcess]: Starting monitored process 1006 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:23,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1006)] Waiting until timeout for monitored process [2023-12-02 21:41:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:24,313 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:24,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:24,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:41:24,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:24,567 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:24,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1006)] Ended with exit code 0 [2023-12-02 21:41:24,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:24,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:24,588 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:24,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:24,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:24,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:24,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:24,589 INFO L229 MonitoredProcess]: Starting monitored process 1007 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:24,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1007)] Waiting until timeout for monitored process [2023-12-02 21:41:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:25,624 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:25,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:25,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:41:25,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:25,741 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:25,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1007)] Ended with exit code 0 [2023-12-02 21:41:25,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:25,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:25,763 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:25,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:25,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:25,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:25,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:25,764 INFO L229 MonitoredProcess]: Starting monitored process 1008 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:25,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1008)] Waiting until timeout for monitored process [2023-12-02 21:41:26,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:26,825 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:26,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:41:26,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:26,935 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:26,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1008)] Ended with exit code 0 [2023-12-02 21:41:26,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:26,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:26,954 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:26,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:26,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:26,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:26,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:26,955 INFO L229 MonitoredProcess]: Starting monitored process 1009 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:26,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1009)] Waiting until timeout for monitored process [2023-12-02 21:41:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:27,897 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:27,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:41:27,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:28,002 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:28,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1009)] Ended with exit code 0 [2023-12-02 21:41:28,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:28,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:28,020 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:28,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:28,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:28,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:28,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:28,021 INFO L229 MonitoredProcess]: Starting monitored process 1010 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:28,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1010)] Waiting until timeout for monitored process [2023-12-02 21:41:29,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:29,015 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:29,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:41:29,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:29,126 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:29,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1010)] Ended with exit code 0 [2023-12-02 21:41:29,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:29,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:29,146 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:29,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:29,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:29,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:29,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:29,147 INFO L229 MonitoredProcess]: Starting monitored process 1011 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:29,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1011)] Waiting until timeout for monitored process [2023-12-02 21:41:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:30,030 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:30,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:30,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:41:30,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:30,203 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:30,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1011)] Ended with exit code 0 [2023-12-02 21:41:30,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:30,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:30,226 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:30,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:30,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:30,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:30,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:30,227 INFO L229 MonitoredProcess]: Starting monitored process 1012 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:30,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1012)] Waiting until timeout for monitored process [2023-12-02 21:41:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:31,266 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:31,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:41:31,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:31,377 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:31,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1012)] Ended with exit code 0 [2023-12-02 21:41:31,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:31,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:31,394 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:31,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:31,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:31,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:31,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:31,395 INFO L229 MonitoredProcess]: Starting monitored process 1013 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:31,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1013)] Waiting until timeout for monitored process [2023-12-02 21:41:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:32,299 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:32,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:32,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:41:32,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:32,420 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:32,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1013)] Ended with exit code 0 [2023-12-02 21:41:32,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:32,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:32,438 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:32,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:32,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:32,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:32,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:32,439 INFO L229 MonitoredProcess]: Starting monitored process 1014 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:32,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1014)] Waiting until timeout for monitored process [2023-12-02 21:41:33,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:33,346 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:33,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:41:33,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:33,535 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:33,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1014)] Ended with exit code 0 [2023-12-02 21:41:33,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:33,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:33,559 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:33,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:33,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:33,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:33,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:33,560 INFO L229 MonitoredProcess]: Starting monitored process 1015 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:33,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1015)] Waiting until timeout for monitored process [2023-12-02 21:41:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:34,629 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:34,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:41:34,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:34,750 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:34,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1015)] Ended with exit code 0 [2023-12-02 21:41:34,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:34,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:34,769 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:34,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:34,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:34,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:34,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:34,770 INFO L229 MonitoredProcess]: Starting monitored process 1016 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:34,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1016)] Waiting until timeout for monitored process [2023-12-02 21:41:35,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:35,806 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:35,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:41:35,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:35,914 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:35,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1016)] Ended with exit code 0 [2023-12-02 21:41:35,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:35,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:35,935 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:35,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:35,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:35,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:35,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:35,936 INFO L229 MonitoredProcess]: Starting monitored process 1017 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:35,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1017)] Waiting until timeout for monitored process [2023-12-02 21:41:36,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:36,939 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:36,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:36,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:41:36,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:37,156 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:37,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1017)] Ended with exit code 0 [2023-12-02 21:41:37,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:37,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:37,179 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:37,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:37,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:37,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:37,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:37,180 INFO L229 MonitoredProcess]: Starting monitored process 1018 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:37,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1018)] Waiting until timeout for monitored process [2023-12-02 21:41:38,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:38,174 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:38,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:38,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:41:38,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:38,301 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:38,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1018)] Ended with exit code 0 [2023-12-02 21:41:38,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:38,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:38,322 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:38,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:38,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:38,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:38,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:38,323 INFO L229 MonitoredProcess]: Starting monitored process 1019 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:38,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1019)] Waiting until timeout for monitored process [2023-12-02 21:41:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:39,361 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:39,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:39,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:41:39,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:39,462 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:39,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1019)] Ended with exit code 0 [2023-12-02 21:41:39,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:39,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:39,482 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:39,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:39,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:39,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:39,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:39,483 INFO L229 MonitoredProcess]: Starting monitored process 1020 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:39,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1020)] Waiting until timeout for monitored process [2023-12-02 21:41:40,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:40,489 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:40,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:41:40,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:40,599 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:40,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1020)] Ended with exit code 0 [2023-12-02 21:41:40,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:40,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:40,617 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:40,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:40,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:40,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:40,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:40,618 INFO L229 MonitoredProcess]: Starting monitored process 1021 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:40,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1021)] Waiting until timeout for monitored process [2023-12-02 21:41:41,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:41,546 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:41,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:41,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:41:41,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:41,716 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:41,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1021)] Ended with exit code 0 [2023-12-02 21:41:41,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:41,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:41,736 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:41,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:41,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:41,736 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:41,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:41,737 INFO L229 MonitoredProcess]: Starting monitored process 1022 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:41,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1022)] Waiting until timeout for monitored process [2023-12-02 21:41:42,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:42,655 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:42,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:41:42,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:42,831 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:42,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1022)] Ended with exit code 0 [2023-12-02 21:41:42,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:42,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:42,855 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:42,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:42,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:42,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:42,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:42,856 INFO L229 MonitoredProcess]: Starting monitored process 1023 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:42,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1023)] Waiting until timeout for monitored process [2023-12-02 21:41:43,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:43,791 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:43,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:43,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:41:43,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:43,948 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:43,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1023)] Ended with exit code 0 [2023-12-02 21:41:43,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:43,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:43,968 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:43,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:43,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:43,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:43,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:43,969 INFO L229 MonitoredProcess]: Starting monitored process 1024 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:43,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1024)] Waiting until timeout for monitored process [2023-12-02 21:41:44,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:44,769 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:44,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:41:44,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:44,884 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:44,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1024)] Ended with exit code 0 [2023-12-02 21:41:44,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:44,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:44,904 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:44,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:44,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:44,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:44,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:44,905 INFO L229 MonitoredProcess]: Starting monitored process 1025 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:44,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1025)] Waiting until timeout for monitored process [2023-12-02 21:41:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:45,876 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:45,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:41:45,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:45,977 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:45,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1025)] Ended with exit code 0 [2023-12-02 21:41:45,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:45,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:45,995 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:45,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:45,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:45,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:45,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:45,996 INFO L229 MonitoredProcess]: Starting monitored process 1026 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:45,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1026)] Waiting until timeout for monitored process [2023-12-02 21:41:47,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:47,014 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:47,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:41:47,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:47,186 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:47,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1026)] Forceful destruction successful, exit code 0 [2023-12-02 21:41:47,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:47,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:47,205 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:47,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:47,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:47,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:47,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:47,206 INFO L229 MonitoredProcess]: Starting monitored process 1027 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:47,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1027)] Waiting until timeout for monitored process [2023-12-02 21:41:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:48,142 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:48,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:41:48,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:48,244 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:48,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1027)] Ended with exit code 0 [2023-12-02 21:41:48,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:48,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:48,266 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:48,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:48,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:48,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:48,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:48,268 INFO L229 MonitoredProcess]: Starting monitored process 1028 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:48,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1028)] Waiting until timeout for monitored process [2023-12-02 21:41:49,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:49,235 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:49,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:41:49,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:49,332 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:49,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1028)] Ended with exit code 0 [2023-12-02 21:41:49,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:49,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:49,350 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:49,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:49,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:49,351 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:49,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:49,351 INFO L229 MonitoredProcess]: Starting monitored process 1029 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:49,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1029)] Waiting until timeout for monitored process [2023-12-02 21:41:50,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:50,360 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:50,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:50,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:41:50,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:50,484 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:50,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1029)] Ended with exit code 0 [2023-12-02 21:41:50,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:50,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:50,504 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:50,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:50,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:50,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:50,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:50,505 INFO L229 MonitoredProcess]: Starting monitored process 1030 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:50,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1030)] Waiting until timeout for monitored process [2023-12-02 21:41:51,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:51,488 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:51,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:41:51,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:51,605 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:51,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1030)] Ended with exit code 0 [2023-12-02 21:41:51,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:51,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:51,624 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:51,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:51,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:51,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:51,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:51,625 INFO L229 MonitoredProcess]: Starting monitored process 1031 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:51,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1031)] Waiting until timeout for monitored process [2023-12-02 21:41:52,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:52,604 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:52,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:41:52,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:52,809 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:52,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1031)] Ended with exit code 0 [2023-12-02 21:41:52,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:52,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:52,830 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:52,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:52,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:52,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:52,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:52,831 INFO L229 MonitoredProcess]: Starting monitored process 1032 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:52,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1032)] Waiting until timeout for monitored process [2023-12-02 21:41:53,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:53,769 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:53,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:41:53,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:53,885 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:53,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1032)] Ended with exit code 0 [2023-12-02 21:41:53,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:53,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:53,903 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:53,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:53,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:53,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:53,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:53,904 INFO L229 MonitoredProcess]: Starting monitored process 1033 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:53,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1033)] Waiting until timeout for monitored process [2023-12-02 21:41:54,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:54,918 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:54,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:41:54,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:55,031 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:55,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1033)] Ended with exit code 0 [2023-12-02 21:41:55,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:55,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:55,049 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:55,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:55,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:55,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:55,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:55,050 INFO L229 MonitoredProcess]: Starting monitored process 1034 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:55,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1034)] Waiting until timeout for monitored process [2023-12-02 21:41:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:56,045 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:56,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:56,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:41:56,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:56,164 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:56,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1034)] Ended with exit code 0 [2023-12-02 21:41:56,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:56,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:56,182 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:56,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:56,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:56,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:56,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:56,183 INFO L229 MonitoredProcess]: Starting monitored process 1035 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:56,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1035)] Waiting until timeout for monitored process [2023-12-02 21:41:57,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:57,211 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:57,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:41:57,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:57,324 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:57,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1035)] Ended with exit code 0 [2023-12-02 21:41:57,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:57,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:57,343 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:57,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:57,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:57,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:57,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:57,345 INFO L229 MonitoredProcess]: Starting monitored process 1036 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:57,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1036)] Waiting until timeout for monitored process [2023-12-02 21:41:58,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:58,245 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:58,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:58,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:41:58,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:58,366 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:58,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1036)] Ended with exit code 0 [2023-12-02 21:41:58,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:58,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:58,386 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:58,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:58,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:58,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:58,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:58,387 INFO L229 MonitoredProcess]: Starting monitored process 1037 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:58,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1037)] Waiting until timeout for monitored process [2023-12-02 21:41:59,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:59,374 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:59,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:59,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:41:59,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:59,467 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:59,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1037)] Ended with exit code 0 [2023-12-02 21:41:59,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:59,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:41:59,485 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:41:59,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:41:59,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:59,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:59,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:59,486 INFO L229 MonitoredProcess]: Starting monitored process 1038 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:59,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1038)] Waiting until timeout for monitored process [2023-12-02 21:42:00,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:00,495 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:00,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:42:00,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:00,603 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:00,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1038)] Ended with exit code 0 [2023-12-02 21:42:00,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:00,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:00,622 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:00,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:00,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:00,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:00,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:00,623 INFO L229 MonitoredProcess]: Starting monitored process 1039 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:00,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1039)] Waiting until timeout for monitored process [2023-12-02 21:42:01,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:01,589 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:01,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:01,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:42:01,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:01,756 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:01,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1039)] Forceful destruction successful, exit code 0 [2023-12-02 21:42:01,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:01,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:01,777 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:01,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:01,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:01,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:01,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:01,778 INFO L229 MonitoredProcess]: Starting monitored process 1040 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:01,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1040)] Waiting until timeout for monitored process [2023-12-02 21:42:02,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:02,658 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:02,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:42:02,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:02,834 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:02,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1040)] Ended with exit code 0 [2023-12-02 21:42:02,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:02,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:02,869 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:02,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:02,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:02,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:02,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:02,870 INFO L229 MonitoredProcess]: Starting monitored process 1041 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:02,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1041)] Waiting until timeout for monitored process [2023-12-02 21:42:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:03,904 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:03,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:03,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:42:03,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:04,017 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:04,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1041)] Ended with exit code 0 [2023-12-02 21:42:04,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:04,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:04,037 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:04,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:04,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:04,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:04,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:04,038 INFO L229 MonitoredProcess]: Starting monitored process 1042 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:04,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1042)] Waiting until timeout for monitored process [2023-12-02 21:42:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:04,971 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:04,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:42:04,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:05,077 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:05,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1042)] Ended with exit code 0 [2023-12-02 21:42:05,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:05,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:05,096 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:05,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:05,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:05,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:05,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:05,096 INFO L229 MonitoredProcess]: Starting monitored process 1043 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:05,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1043)] Waiting until timeout for monitored process [2023-12-02 21:42:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:06,058 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:06,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:42:06,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:06,189 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:06,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1043)] Ended with exit code 0 [2023-12-02 21:42:06,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:06,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:06,211 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:06,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:06,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:06,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:06,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:06,213 INFO L229 MonitoredProcess]: Starting monitored process 1044 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:06,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1044)] Waiting until timeout for monitored process [2023-12-02 21:42:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:07,247 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:07,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:07,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:42:07,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:07,370 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:07,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1044)] Ended with exit code 0 [2023-12-02 21:42:07,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:07,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:07,390 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:07,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:07,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:07,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:07,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:07,391 INFO L229 MonitoredProcess]: Starting monitored process 1045 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:07,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1045)] Waiting until timeout for monitored process [2023-12-02 21:42:08,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:08,318 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:08,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:42:08,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:08,432 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:08,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1045)] Ended with exit code 0 [2023-12-02 21:42:08,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:08,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:08,451 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:08,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:08,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:08,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:08,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:08,452 INFO L229 MonitoredProcess]: Starting monitored process 1046 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:08,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1046)] Waiting until timeout for monitored process [2023-12-02 21:42:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:09,476 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:09,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:09,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:42:09,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:09,622 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:09,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1046)] Ended with exit code 0 [2023-12-02 21:42:09,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:09,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:09,641 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:09,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:09,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:09,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:09,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:09,643 INFO L229 MonitoredProcess]: Starting monitored process 1047 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:09,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1047)] Waiting until timeout for monitored process [2023-12-02 21:42:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:10,587 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:10,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:10,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:42:10,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:10,705 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:10,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1047)] Ended with exit code 0 [2023-12-02 21:42:10,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:10,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:10,725 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:10,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:10,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:10,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:10,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:10,726 INFO L229 MonitoredProcess]: Starting monitored process 1048 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:10,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1048)] Waiting until timeout for monitored process [2023-12-02 21:42:11,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:11,622 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:11,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:42:11,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:11,733 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:11,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1048)] Ended with exit code 0 [2023-12-02 21:42:11,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:11,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:11,753 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:11,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:11,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:11,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:11,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:11,754 INFO L229 MonitoredProcess]: Starting monitored process 1049 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:11,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1049)] Waiting until timeout for monitored process [2023-12-02 21:42:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:12,835 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:12,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:42:12,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:12,983 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:12,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1049)] Ended with exit code 0 [2023-12-02 21:42:13,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:13,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:13,007 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:13,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:13,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:13,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:13,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:13,008 INFO L229 MonitoredProcess]: Starting monitored process 1050 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:13,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1050)] Waiting until timeout for monitored process [2023-12-02 21:42:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:14,048 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:14,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:42:14,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:14,333 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:14,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1050)] Ended with exit code 0 [2023-12-02 21:42:14,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:14,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:14,353 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:14,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:14,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:14,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:14,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:14,354 INFO L229 MonitoredProcess]: Starting monitored process 1051 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:14,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1051)] Waiting until timeout for monitored process [2023-12-02 21:42:15,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:15,351 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:15,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:42:15,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:15,513 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:15,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1051)] Ended with exit code 0 [2023-12-02 21:42:15,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:15,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:15,536 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:15,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:15,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:15,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:15,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:15,537 INFO L229 MonitoredProcess]: Starting monitored process 1052 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:15,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1052)] Waiting until timeout for monitored process [2023-12-02 21:42:16,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:16,544 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:16,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:42:16,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:16,651 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:16,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1052)] Ended with exit code 0 [2023-12-02 21:42:16,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:16,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:16,670 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:16,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:16,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:16,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:16,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:16,671 INFO L229 MonitoredProcess]: Starting monitored process 1053 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:16,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1053)] Waiting until timeout for monitored process [2023-12-02 21:42:17,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:17,715 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:17,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:17,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:42:17,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:17,835 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:17,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1053)] Ended with exit code 0 [2023-12-02 21:42:17,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:17,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:17,854 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:17,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:17,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:17,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:17,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:17,855 INFO L229 MonitoredProcess]: Starting monitored process 1054 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:17,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1054)] Waiting until timeout for monitored process [2023-12-02 21:42:18,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:18,831 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:18,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:42:18,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:18,947 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:18,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1054)] Ended with exit code 0 [2023-12-02 21:42:18,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:18,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:18,966 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:18,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:18,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:18,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:18,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:18,967 INFO L229 MonitoredProcess]: Starting monitored process 1055 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:18,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1055)] Waiting until timeout for monitored process [2023-12-02 21:42:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:19,978 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:20,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:20,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:42:20,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:20,083 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:20,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1055)] Ended with exit code 0 [2023-12-02 21:42:20,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:20,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:20,103 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:20,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:20,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:20,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:20,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:20,104 INFO L229 MonitoredProcess]: Starting monitored process 1056 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:20,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1056)] Waiting until timeout for monitored process [2023-12-02 21:42:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:21,102 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:21,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:42:21,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:21,208 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:21,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1056)] Ended with exit code 0 [2023-12-02 21:42:21,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:21,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:21,229 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:21,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:21,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:21,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:21,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:21,230 INFO L229 MonitoredProcess]: Starting monitored process 1057 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:21,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1057)] Waiting until timeout for monitored process [2023-12-02 21:42:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:22,291 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:22,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:22,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:42:22,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:22,394 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:22,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1057)] Ended with exit code 0 [2023-12-02 21:42:22,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:22,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:22,415 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:22,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:22,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:22,415 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:22,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:22,416 INFO L229 MonitoredProcess]: Starting monitored process 1058 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:22,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1058)] Waiting until timeout for monitored process [2023-12-02 21:42:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:23,342 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:23,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:42:23,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:23,452 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:23,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1058)] Ended with exit code 0 [2023-12-02 21:42:23,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:23,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:23,471 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:23,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:23,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:23,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:23,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:23,472 INFO L229 MonitoredProcess]: Starting monitored process 1059 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:23,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1059)] Waiting until timeout for monitored process [2023-12-02 21:42:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:24,494 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:24,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:24,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:42:24,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:24,618 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:24,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1059)] Ended with exit code 0 [2023-12-02 21:42:24,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:24,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:24,641 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:24,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:24,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:24,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:24,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:24,642 INFO L229 MonitoredProcess]: Starting monitored process 1060 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:24,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1060)] Waiting until timeout for monitored process [2023-12-02 21:42:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:25,661 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:25,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:25,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:42:25,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:25,764 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:25,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1060)] Ended with exit code 0 [2023-12-02 21:42:25,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:25,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:25,784 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:25,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:25,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:25,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:25,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:25,785 INFO L229 MonitoredProcess]: Starting monitored process 1061 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:25,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1061)] Waiting until timeout for monitored process [2023-12-02 21:42:26,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:26,658 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:26,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:26,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:42:26,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:26,765 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:26,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1061)] Ended with exit code 0 [2023-12-02 21:42:26,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:26,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:26,784 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:26,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:26,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:26,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:26,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:26,785 INFO L229 MonitoredProcess]: Starting monitored process 1062 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:26,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1062)] Waiting until timeout for monitored process [2023-12-02 21:42:27,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:27,777 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:27,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:42:27,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:27,929 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:27,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1062)] Ended with exit code 0 [2023-12-02 21:42:27,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:27,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:27,955 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:27,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:27,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:27,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:27,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:27,956 INFO L229 MonitoredProcess]: Starting monitored process 1063 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:27,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1063)] Waiting until timeout for monitored process [2023-12-02 21:42:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:28,955 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:28,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:28,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:42:28,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:29,071 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:29,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1063)] Forceful destruction successful, exit code 0 [2023-12-02 21:42:29,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:29,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:29,091 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:29,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:29,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:29,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:29,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:29,092 INFO L229 MonitoredProcess]: Starting monitored process 1064 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:29,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1064)] Waiting until timeout for monitored process [2023-12-02 21:42:30,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:30,093 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:30,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:42:30,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:30,207 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:30,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1064)] Forceful destruction successful, exit code 0 [2023-12-02 21:42:30,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:30,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:30,227 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:30,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:30,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:30,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:30,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:30,228 INFO L229 MonitoredProcess]: Starting monitored process 1065 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:30,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1065)] Waiting until timeout for monitored process [2023-12-02 21:42:31,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:31,062 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:31,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:31,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:42:31,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:31,168 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:31,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1065)] Forceful destruction successful, exit code 0 [2023-12-02 21:42:31,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:31,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:31,186 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:31,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:31,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:31,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:31,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:31,187 INFO L229 MonitoredProcess]: Starting monitored process 1066 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:31,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1066)] Waiting until timeout for monitored process [2023-12-02 21:42:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:32,157 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:32,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:42:32,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:32,263 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:32,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1066)] Forceful destruction successful, exit code 0 [2023-12-02 21:42:32,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:32,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:32,283 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:32,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:32,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:32,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:32,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:32,284 INFO L229 MonitoredProcess]: Starting monitored process 1067 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:32,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1067)] Waiting until timeout for monitored process [2023-12-02 21:42:33,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:33,510 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:33,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:33,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:42:33,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:33,665 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:33,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1067)] Ended with exit code 0 [2023-12-02 21:42:33,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:33,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:33,686 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:33,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:33,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:33,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:33,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:33,687 INFO L229 MonitoredProcess]: Starting monitored process 1068 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:33,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1068)] Waiting until timeout for monitored process [2023-12-02 21:42:34,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:34,641 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:34,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:34,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:42:34,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:34,815 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:34,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1068)] Ended with exit code 0 [2023-12-02 21:42:34,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:34,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:34,835 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:34,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:34,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:34,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:34,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:34,836 INFO L229 MonitoredProcess]: Starting monitored process 1069 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:34,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1069)] Waiting until timeout for monitored process [2023-12-02 21:42:35,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:35,839 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:35,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:35,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:42:35,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:36,009 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:36,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1069)] Ended with exit code 0 [2023-12-02 21:42:36,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:36,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:36,030 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:36,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:36,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:36,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:36,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:36,030 INFO L229 MonitoredProcess]: Starting monitored process 1070 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:36,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1070)] Waiting until timeout for monitored process [2023-12-02 21:42:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:36,927 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:36,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:42:36,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:37,040 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:37,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1070)] Ended with exit code 0 [2023-12-02 21:42:37,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:37,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:37,060 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:37,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:37,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:37,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:37,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:37,061 INFO L229 MonitoredProcess]: Starting monitored process 1071 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:37,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1071)] Waiting until timeout for monitored process [2023-12-02 21:42:38,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:38,102 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:38,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:42:38,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:38,256 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:38,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1071)] Ended with exit code 0 [2023-12-02 21:42:38,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:38,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:38,277 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:38,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:38,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:38,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:38,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:38,278 INFO L229 MonitoredProcess]: Starting monitored process 1072 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:38,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1072)] Waiting until timeout for monitored process [2023-12-02 21:42:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:39,333 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:39,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:42:39,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:39,556 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:39,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1072)] Ended with exit code 0 [2023-12-02 21:42:39,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:39,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:39,580 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:39,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:39,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:39,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:39,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:39,581 INFO L229 MonitoredProcess]: Starting monitored process 1073 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:39,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1073)] Waiting until timeout for monitored process [2023-12-02 21:42:40,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:40,629 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:40,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:40,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:42:40,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:40,729 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:40,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1073)] Ended with exit code 0 [2023-12-02 21:42:40,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:40,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:40,750 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:40,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:40,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:40,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:40,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:40,751 INFO L229 MonitoredProcess]: Starting monitored process 1074 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:40,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1074)] Waiting until timeout for monitored process [2023-12-02 21:42:41,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:41,739 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:41,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:42:41,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:41,835 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:41,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1074)] Ended with exit code 0 [2023-12-02 21:42:41,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:41,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:41,855 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:41,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:41,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:41,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:41,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:41,856 INFO L229 MonitoredProcess]: Starting monitored process 1075 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:41,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1075)] Waiting until timeout for monitored process [2023-12-02 21:42:42,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:42,730 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:42,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:42:42,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:42,845 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:42,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1075)] Ended with exit code 0 [2023-12-02 21:42:42,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:42,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:42,863 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:42,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:42,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:42,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:42,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:42,864 INFO L229 MonitoredProcess]: Starting monitored process 1076 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:42,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1076)] Waiting until timeout for monitored process [2023-12-02 21:42:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:43,853 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:43,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:42:43,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:43,971 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:43,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1076)] Ended with exit code 0 [2023-12-02 21:42:43,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:43,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:43,996 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:43,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:43,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:43,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:43,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:43,997 INFO L229 MonitoredProcess]: Starting monitored process 1077 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:43,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1077)] Waiting until timeout for monitored process [2023-12-02 21:42:44,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:44,980 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:45,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:45,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:42:45,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:45,210 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:45,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1077)] Ended with exit code 0 [2023-12-02 21:42:45,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:45,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:45,230 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:45,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:45,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:45,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:45,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:45,231 INFO L229 MonitoredProcess]: Starting monitored process 1078 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:45,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1078)] Waiting until timeout for monitored process [2023-12-02 21:42:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:46,242 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:46,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:46,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:42:46,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:46,353 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:46,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1078)] Ended with exit code 0 [2023-12-02 21:42:46,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:46,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:46,374 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:46,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:46,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:46,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:46,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:46,375 INFO L229 MonitoredProcess]: Starting monitored process 1079 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:46,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1079)] Waiting until timeout for monitored process [2023-12-02 21:42:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:47,313 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:47,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:47,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:42:47,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:47,407 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:47,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1079)] Ended with exit code 0 [2023-12-02 21:42:47,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:47,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:47,428 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:47,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:47,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:47,429 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:47,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:47,429 INFO L229 MonitoredProcess]: Starting monitored process 1080 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:47,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1080)] Waiting until timeout for monitored process [2023-12-02 21:42:48,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:48,476 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:48,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:48,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:42:48,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:48,580 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:48,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1080)] Ended with exit code 0 [2023-12-02 21:42:48,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:48,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:48,598 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:48,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:48,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:48,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:48,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:48,599 INFO L229 MonitoredProcess]: Starting monitored process 1081 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:48,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1081)] Waiting until timeout for monitored process [2023-12-02 21:42:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:49,585 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:49,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:42:49,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:49,683 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:49,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1081)] Ended with exit code 0 [2023-12-02 21:42:49,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:49,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:49,708 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:49,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:49,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:49,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:49,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:49,709 INFO L229 MonitoredProcess]: Starting monitored process 1082 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:49,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1082)] Waiting until timeout for monitored process [2023-12-02 21:42:50,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:50,723 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:50,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:50,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:42:50,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:50,827 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:50,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1082)] Ended with exit code 0 [2023-12-02 21:42:50,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:50,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:50,846 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:50,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:50,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:50,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:50,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:50,847 INFO L229 MonitoredProcess]: Starting monitored process 1083 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:50,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1083)] Waiting until timeout for monitored process [2023-12-02 21:42:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:51,963 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:51,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:42:51,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:52,068 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:52,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1083)] Ended with exit code 0 [2023-12-02 21:42:52,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:52,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:52,089 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:52,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:52,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:52,090 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:52,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:52,090 INFO L229 MonitoredProcess]: Starting monitored process 1084 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:52,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1084)] Waiting until timeout for monitored process [2023-12-02 21:42:53,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:53,110 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:53,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:42:53,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:53,304 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:53,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1084)] Ended with exit code 0 [2023-12-02 21:42:53,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:53,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:53,324 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:53,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:53,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:53,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:53,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:53,325 INFO L229 MonitoredProcess]: Starting monitored process 1085 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:53,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1085)] Waiting until timeout for monitored process [2023-12-02 21:42:54,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:54,243 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:54,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:42:54,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:54,361 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:54,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1085)] Ended with exit code 0 [2023-12-02 21:42:54,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:54,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:54,384 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:54,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:54,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:54,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:54,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:54,385 INFO L229 MonitoredProcess]: Starting monitored process 1086 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:54,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1086)] Waiting until timeout for monitored process [2023-12-02 21:42:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:55,414 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:55,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:42:55,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:55,540 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:55,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1086)] Ended with exit code 0 [2023-12-02 21:42:55,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:55,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:55,559 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:55,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:55,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:55,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:55,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:55,560 INFO L229 MonitoredProcess]: Starting monitored process 1087 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:55,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1087)] Waiting until timeout for monitored process [2023-12-02 21:42:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:56,513 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:56,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:56,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:42:56,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:56,636 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:56,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1087)] Ended with exit code 0 [2023-12-02 21:42:56,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:56,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:56,658 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:56,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:56,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:56,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:56,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:56,659 INFO L229 MonitoredProcess]: Starting monitored process 1088 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:56,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1088)] Waiting until timeout for monitored process [2023-12-02 21:42:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:57,719 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:57,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:42:57,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:57,861 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:57,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1088)] Ended with exit code 0 [2023-12-02 21:42:57,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:57,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:57,883 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:57,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:57,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:57,883 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:57,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:57,884 INFO L229 MonitoredProcess]: Starting monitored process 1089 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:57,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1089)] Waiting until timeout for monitored process [2023-12-02 21:42:58,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:58,919 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:58,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:58,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:42:58,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:59,051 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:42:59,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1089)] Ended with exit code 0 [2023-12-02 21:42:59,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:59,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2023-12-02 21:42:59,071 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-12-02 21:42:59,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:59,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:59,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:59,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:59,072 INFO L229 MonitoredProcess]: Starting monitored process 1090 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:59,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1090)] Waiting until timeout for monitored process [2023-12-02 21:43:00,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:00,135 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:43:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:00,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:43:00,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:43:00,245 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:43:00,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adec7e5-7fb1-4034-b204-c817de6b7799/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1090)] Ended with exit code 0