./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i --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_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/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_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/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_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/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 a379a11019678fc2a367efcf212f49fd3083d5f94e928c550866b32de723f686 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:22:08,882 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:22:08,948 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 03:22:08,952 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:22:08,953 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:22:08,975 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:22:08,975 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:22:08,976 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:22:08,977 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:22:08,977 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:22:08,978 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:22:08,978 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:22:08,979 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:22:08,979 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:22:08,980 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:22:08,980 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:22:08,981 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:22:08,981 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:22:08,982 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:22:08,982 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:22:08,983 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:22:08,983 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:22:08,984 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:22:08,984 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:22:08,985 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:22:08,985 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:22:08,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:22:08,986 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:22:08,987 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:22:08,987 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:22:08,987 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:22:08,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:22:08,988 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:22:08,988 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_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a379a11019678fc2a367efcf212f49fd3083d5f94e928c550866b32de723f686 [2023-12-03 03:22:09,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:22:09,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:22:09,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:22:09,237 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:22:09,237 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:22:09,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i [2023-12-03 03:22:12,066 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:22:12,312 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:22:12,313 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i [2023-12-03 03:22:12,330 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/data/c10737634/be4e017bf8d74e4586e490023c6da8d2/FLAGbb7a3cd91 [2023-12-03 03:22:12,345 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/data/c10737634/be4e017bf8d74e4586e490023c6da8d2 [2023-12-03 03:22:12,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:22:12,349 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:22:12,350 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:22:12,351 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:22:12,355 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:22:12,356 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:22:12" (1/1) ... [2023-12-03 03:22:12,357 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@540a2509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:22:12, skipping insertion in model container [2023-12-03 03:22:12,358 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:22:12" (1/1) ... [2023-12-03 03:22:12,419 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:22:12,784 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_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i[33021,33034] [2023-12-03 03:22:12,886 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_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i[44590,44603] [2023-12-03 03:22:12,897 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:22:12,908 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:22:12,938 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_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i[33021,33034] [2023-12-03 03:22:12,998 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_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i[44590,44603] [2023-12-03 03:22:13,002 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:22:13,028 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:22:13,033 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:22:13,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:22:13 WrapperNode [2023-12-03 03:22:13,034 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:22:13,035 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:22:13,035 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:22:13,035 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:22:13,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:22:13" (1/1) ... [2023-12-03 03:22:13,072 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:22:13" (1/1) ... [2023-12-03 03:22:13,179 INFO L138 Inliner]: procedures = 177, calls = 285, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1359 [2023-12-03 03:22:13,180 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:22:13,181 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:22:13,181 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:22:13,182 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:22:13,190 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:22:13" (1/1) ... [2023-12-03 03:22:13,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:22:13" (1/1) ... [2023-12-03 03:22:13,206 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:22:13" (1/1) ... [2023-12-03 03:22:13,206 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:22:13" (1/1) ... [2023-12-03 03:22:13,257 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:22:13" (1/1) ... [2023-12-03 03:22:13,272 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:22:13" (1/1) ... [2023-12-03 03:22:13,278 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:22:13" (1/1) ... [2023-12-03 03:22:13,286 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:22:13" (1/1) ... [2023-12-03 03:22:13,299 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:22:13,300 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:22:13,300 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:22:13,301 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:22:13,302 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:22:13" (1/1) ... [2023-12-03 03:22:13,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:22:13,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:22:13,328 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:22:13,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:22:13,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 03:22:13,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 03:22:13,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 03:22:13,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 03:22:13,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 03:22:13,361 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 03:22:13,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 03:22:13,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:22:13,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 03:22:13,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:22:13,361 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 03:22:13,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 03:22:13,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:22:13,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:22:13,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:22:13,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:22:13,554 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:22:13,555 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:22:14,790 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:22:15,993 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:22:15,993 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-12-03 03:22:15,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:22:15 BoogieIcfgContainer [2023-12-03 03:22:15,995 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:22:15,996 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:22:15,996 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:22:16,003 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:22:16,003 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:22:15" (1/1) ... [2023-12-03 03:22:16,011 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:22:16,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:22:16,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 131 states and 222 transitions. [2023-12-03 03:22:16,059 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 222 transitions. [2023-12-03 03:22:16,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:22:16,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:22:16,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:22:16,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:16,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:22:16,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:22:16,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 131 states and 217 transitions. [2023-12-03 03:22:16,217 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 217 transitions. [2023-12-03 03:22:16,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:22:16,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:22:16,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:22:16,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:16,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:22:16,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:22:16,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 133 states and 219 transitions. [2023-12-03 03:22:16,452 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 219 transitions. [2023-12-03 03:22:16,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 03:22:16,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:22:16,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:22:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:16,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:22:16,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:22:16,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:22:16,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:22:16,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 133 states and 217 transitions. [2023-12-03 03:22:16,584 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 217 transitions. [2023-12-03 03:22:16,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 03:22:16,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:22:16,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:22:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:16,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:22:16,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:22:16,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:22:16,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:22:16,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 133 states and 213 transitions. [2023-12-03 03:22:16,695 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 213 transitions. [2023-12-03 03:22:16,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 03:22:16,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:22:16,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:22:16,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:16,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:22:16,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:22:16,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:22:16,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:22:16,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 133 states and 207 transitions. [2023-12-03 03:22:16,820 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 207 transitions. [2023-12-03 03:22:16,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 03:22:16,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:22:16,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:22:16,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:16,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:22:17,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:22:17,005 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:22:19,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:22:19,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:22:19,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 133 states and 199 transitions. [2023-12-03 03:22:19,100 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 199 transitions. [2023-12-03 03:22:19,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 03:22:19,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:22:19,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:22:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:19,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:22:19,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:22:19,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:22:29,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:22:39,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:22:49,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:22:59,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:22:59,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:22:59,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 146 states and 214 transitions. [2023-12-03 03:22:59,698 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 214 transitions. [2023-12-03 03:22:59,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 03:22:59,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:22:59,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:22:59,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:59,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:22:59,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:22:59,900 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:22:59,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:22:59,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 146 states and 212 transitions. [2023-12-03 03:22:59,951 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 212 transitions. [2023-12-03 03:22:59,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 03:22:59,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:22:59,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:23:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:00,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:23:00,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:23:00,190 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:23:10,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:23:10,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:23:10,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 146 states and 210 transitions. [2023-12-03 03:23:10,235 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 210 transitions. [2023-12-03 03:23:10,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 03:23:10,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:23:10,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:23:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:10,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:23:10,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:23:10,563 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:23:20,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:23:30,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:23:40,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:23:50,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:23:50,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:23:50,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 149 states and 212 transitions. [2023-12-03 03:23:50,735 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 212 transitions. [2023-12-03 03:23:50,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:23:50,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:23:50,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:23:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:50,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:23:50,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:23:51,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 03:23:51,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-12-03 03:23:51,088 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:23:51,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:23:51,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 151 states and 215 transitions. [2023-12-03 03:23:51,146 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 215 transitions. [2023-12-03 03:23:51,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:23:51,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:23:51,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:23:51,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:51,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:23:51,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:23:51,412 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:23:51,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:23:51,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 151 states and 211 transitions. [2023-12-03 03:23:51,422 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 211 transitions. [2023-12-03 03:23:51,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 03:23:51,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:23:51,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:23:51,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:51,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:23:51,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:23:51,684 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:23:51,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:23:51,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 151 states and 209 transitions. [2023-12-03 03:23:51,693 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 209 transitions. [2023-12-03 03:23:51,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 03:23:51,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:23:51,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:23:51,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:51,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:23:51,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:23:51,991 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:24:02,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:24:02,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:02,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 151 states and 207 transitions. [2023-12-03 03:24:02,067 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 207 transitions. [2023-12-03 03:24:02,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 03:24:02,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:02,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:24:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:02,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:24:02,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:02,446 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 03:24:12,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:24:22,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:24:32,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:24:42,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:24:53,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:25:03,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:25:13,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:25:23,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:25:23,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:23,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 197 states and 266 transitions. [2023-12-03 03:25:23,484 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 266 transitions. [2023-12-03 03:25:23,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 03:25:23,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:23,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:25:23,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:23,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:25:23,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:23,762 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:25:23,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:23,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 197 states and 262 transitions. [2023-12-03 03:25:23,777 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 262 transitions. [2023-12-03 03:25:23,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 03:25:23,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:23,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:25:24,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:24,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:25:24,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:24,072 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:25:34,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:25:34,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:34,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 197 states and 260 transitions. [2023-12-03 03:25:34,116 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 260 transitions. [2023-12-03 03:25:34,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 03:25:34,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:34,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:25:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:34,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:25:34,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:34,507 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:25:44,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:25:54,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:26:05,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.82s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:26:15,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:26:15,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:15,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 200 states and 262 transitions. [2023-12-03 03:26:15,576 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 262 transitions. [2023-12-03 03:26:15,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 03:26:15,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:15,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:26:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:15,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:26:15,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:15,827 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 03:26:15,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:15,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 200 states and 260 transitions. [2023-12-03 03:26:15,879 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 260 transitions. [2023-12-03 03:26:15,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 03:26:15,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:15,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:26:16,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:16,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:26:16,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:16,226 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:26:26,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:26:36,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:26:46,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:26:56,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:26:56,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:56,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 183 states and 239 transitions. [2023-12-03 03:26:56,387 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 239 transitions. [2023-12-03 03:26:56,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:26:56,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:56,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:27:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 03:27:06,677 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 03:27:06,680 INFO L158 Benchmark]: Toolchain (without parser) took 294331.09ms. Allocated memory was 136.3MB in the beginning and 226.5MB in the end (delta: 90.2MB). Free memory was 86.3MB in the beginning and 51.3MB in the end (delta: 35.0MB). Peak memory consumption was 127.3MB. Max. memory is 16.1GB. [2023-12-03 03:27:06,681 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 136.3MB. Free memory was 108.0MB in the beginning and 107.9MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:27:06,681 INFO L158 Benchmark]: CACSL2BoogieTranslator took 683.89ms. Allocated memory is still 136.3MB. Free memory was 86.3MB in the beginning and 52.7MB in the end (delta: 33.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-12-03 03:27:06,682 INFO L158 Benchmark]: Boogie Procedure Inliner took 145.74ms. Allocated memory was 136.3MB in the beginning and 188.7MB in the end (delta: 52.4MB). Free memory was 52.7MB in the beginning and 153.9MB in the end (delta: -101.2MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2023-12-03 03:27:06,683 INFO L158 Benchmark]: Boogie Preprocessor took 118.19ms. Allocated memory is still 188.7MB. Free memory was 153.9MB in the beginning and 144.4MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 03:27:06,684 INFO L158 Benchmark]: RCFGBuilder took 2694.79ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 144.4MB in the beginning and 148.8MB in the end (delta: -4.4MB). Peak memory consumption was 131.9MB. Max. memory is 16.1GB. [2023-12-03 03:27:06,684 INFO L158 Benchmark]: CodeCheck took 290683.80ms. Allocated memory is still 226.5MB. Free memory was 148.8MB in the beginning and 51.3MB in the end (delta: 97.5MB). Peak memory consumption was 98.5MB. Max. memory is 16.1GB. [2023-12-03 03:27:06,688 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 136.3MB. Free memory was 108.0MB in the beginning and 107.9MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 683.89ms. Allocated memory is still 136.3MB. Free memory was 86.3MB in the beginning and 52.7MB in the end (delta: 33.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 145.74ms. Allocated memory was 136.3MB in the beginning and 188.7MB in the end (delta: 52.4MB). Free memory was 52.7MB in the beginning and 153.9MB in the end (delta: -101.2MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 118.19ms. Allocated memory is still 188.7MB. Free memory was 153.9MB in the beginning and 144.4MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2694.79ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 144.4MB in the beginning and 148.8MB in the end (delta: -4.4MB). Peak memory consumption was 131.9MB. Max. memory is 16.1GB. * CodeCheck took 290683.80ms. Allocated memory is still 226.5MB. Free memory was 148.8MB in the beginning and 51.3MB in the end (delta: 97.5MB). Peak memory consumption was 98.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 03:27:06,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/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_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/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_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/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_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/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 a379a11019678fc2a367efcf212f49fd3083d5f94e928c550866b32de723f686 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:27:08,604 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:27:08,680 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 03:27:08,709 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:27:08,710 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:27:08,710 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:27:08,711 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:27:08,712 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:27:08,712 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:27:08,713 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:27:08,714 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:27:08,714 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:27:08,715 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:27:08,715 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:27:08,716 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:27:08,716 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:27:08,717 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:27:08,718 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:27:08,718 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:27:08,719 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:27:08,719 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:27:08,720 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:27:08,720 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:27:08,721 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:27:08,721 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:27:08,722 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:08,722 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:27:08,723 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:27:08,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:27:08,724 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:27:08,724 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:27:08,725 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:27:08,725 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:27:08,725 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:08,725 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:27:08,726 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:27:08,726 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:27:08,726 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_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a379a11019678fc2a367efcf212f49fd3083d5f94e928c550866b32de723f686 [2023-12-03 03:27:09,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:27:09,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:27:09,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:27:09,059 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:27:09,060 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:27:09,061 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i [2023-12-03 03:27:11,871 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:27:12,147 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:27:12,148 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i [2023-12-03 03:27:12,165 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/data/36532e4b6/036e94c93cb443219a8b21b21a0168cf/FLAG506b6c088 [2023-12-03 03:27:12,181 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/data/36532e4b6/036e94c93cb443219a8b21b21a0168cf [2023-12-03 03:27:12,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:27:12,185 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:27:12,186 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:27:12,186 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:27:12,191 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:27:12,192 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:27:12" (1/1) ... [2023-12-03 03:27:12,193 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e56407a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:12, skipping insertion in model container [2023-12-03 03:27:12,193 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:27:12" (1/1) ... [2023-12-03 03:27:12,266 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:27:12,686 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_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i[33021,33034] [2023-12-03 03:27:12,780 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_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i[44590,44603] [2023-12-03 03:27:12,788 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:27:12,801 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 03:27:12,815 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:27:12,834 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_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i[33021,33034] [2023-12-03 03:27:12,882 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_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i[44590,44603] [2023-12-03 03:27:12,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:27:12,890 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:27:12,929 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_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i[33021,33034] [2023-12-03 03:27:12,976 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_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i[44590,44603] [2023-12-03 03:27:12,979 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:27:13,021 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:27:13,029 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:27:13,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:13 WrapperNode [2023-12-03 03:27:13,030 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:27:13,031 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:27:13,031 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:27:13,031 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:27:13,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:13" (1/1) ... [2023-12-03 03:27:13,069 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:13" (1/1) ... [2023-12-03 03:27:13,126 INFO L138 Inliner]: procedures = 180, calls = 285, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1032 [2023-12-03 03:27:13,127 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:27:13,128 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:27:13,128 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:27:13,128 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:27:13,138 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:13" (1/1) ... [2023-12-03 03:27:13,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:13" (1/1) ... [2023-12-03 03:27:13,153 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:13" (1/1) ... [2023-12-03 03:27:13,153 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:13" (1/1) ... [2023-12-03 03:27:13,206 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:13" (1/1) ... [2023-12-03 03:27:13,217 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:13" (1/1) ... [2023-12-03 03:27:13,223 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:13" (1/1) ... [2023-12-03 03:27:13,230 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:13" (1/1) ... [2023-12-03 03:27:13,241 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:27:13,242 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:27:13,243 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:27:13,243 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:27:13,244 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:13" (1/1) ... [2023-12-03 03:27:13,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:27:13,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:27:13,282 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:27:13,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:27:13,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 03:27:13,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 03:27:13,327 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 03:27:13,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 03:27:13,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 03:27:13,327 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 03:27:13,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 03:27:13,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:27:13,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 03:27:13,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:27:13,328 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 03:27:13,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 03:27:13,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:27:13,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 03:27:13,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:27:13,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:27:13,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:27:13,524 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:27:13,526 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:27:28,130 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:27:28,627 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:27:28,627 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-12-03 03:27:28,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:27:28 BoogieIcfgContainer [2023-12-03 03:27:28,629 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:27:28,631 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:27:28,631 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:27:28,642 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:27:28,642 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:27:28" (1/1) ... [2023-12-03 03:27:28,652 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:27:28,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:28,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 131 states and 222 transitions. [2023-12-03 03:27:28,719 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 222 transitions. [2023-12-03 03:27:28,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:27:28,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:28,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:28,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:28,723 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:28,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:27:29,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:29,006 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:29,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:27:29,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:29,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:27:29,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:27:29,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:29,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 131 states and 217 transitions. [2023-12-03 03:27:29,134 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 217 transitions. [2023-12-03 03:27:29,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:27:29,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:29,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:29,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:29,140 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:29,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 03:27:29,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:29,461 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:29,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:29,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:27:29,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:29,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:27:29,716 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:27:29,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 03:27:30,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:30,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 138 states and 227 transitions. [2023-12-03 03:27:30,246 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 227 transitions. [2023-12-03 03:27:30,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:27:30,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:30,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:30,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:30,249 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:30,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 03:27:30,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:30,513 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:30,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:27:30,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:30,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:27:30,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 03:27:30,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:30,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 138 states and 223 transitions. [2023-12-03 03:27:30,584 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 223 transitions. [2023-12-03 03:27:30,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 03:27:30,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:30,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:30,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:30,588 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:30,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 03:27:30,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:30,910 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:31,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:31,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:27:31,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:31,039 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:27:31,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 03:27:31,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:31,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 138 states and 221 transitions. [2023-12-03 03:27:31,053 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 221 transitions. [2023-12-03 03:27:31,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 03:27:31,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:31,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:31,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:31,057 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:31,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 03:27:31,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:31,317 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:31,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:27:31,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:31,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:27:31,382 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:27:31,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 03:27:31,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:31,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 138 states and 219 transitions. [2023-12-03 03:27:31,389 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 219 transitions. [2023-12-03 03:27:31,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 03:27:31,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:31,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:31,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:31,392 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:31,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 03:27:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:31,692 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:31,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:31,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:27:31,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:31,803 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:27:31,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 03:27:31,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:31,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 138 states and 215 transitions. [2023-12-03 03:27:31,815 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 215 transitions. [2023-12-03 03:27:31,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 03:27:31,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:31,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:31,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:31,818 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:31,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 03:27:32,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:32,090 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:32,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:27:32,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:32,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:27:32,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 03:27:32,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:32,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 138 states and 213 transitions. [2023-12-03 03:27:32,180 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 213 transitions. [2023-12-03 03:27:32,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 03:27:32,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:32,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:32,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:32,183 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:32,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 03:27:32,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:32,562 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:32,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:32,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 03:27:32,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:32,712 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 03:27:32,713 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 03:27:32,713 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 03:27:32,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2023-12-03 03:27:32,842 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 03:27:32,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2023-12-03 03:27:32,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:27:32,886 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:27:32,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 03:27:34,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:34,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 140 states and 216 transitions. [2023-12-03 03:27:34,029 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 216 transitions. [2023-12-03 03:27:34,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 03:27:34,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:34,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:34,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:34,032 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:34,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 03:27:34,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:34,341 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:34,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:34,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:27:34,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:34,488 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:27:34,491 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:27:34,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 03:27:34,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:34,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 140 states and 210 transitions. [2023-12-03 03:27:34,509 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 210 transitions. [2023-12-03 03:27:34,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 03:27:34,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:34,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:34,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:34,513 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:34,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 03:27:34,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:34,906 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:35,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:27:35,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:35,082 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:27:35,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 03:27:35,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:35,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 140 states and 204 transitions. [2023-12-03 03:27:35,918 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 204 transitions. [2023-12-03 03:27:35,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 03:27:35,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:35,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:35,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:35,920 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:35,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 03:27:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:36,336 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:36,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:36,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:36,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:36,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:27:36,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 03:27:37,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:37,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 151 states and 215 transitions. [2023-12-03 03:27:37,019 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 215 transitions. [2023-12-03 03:27:37,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 03:27:37,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:37,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:37,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:37,021 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:37,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 03:27:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:37,415 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:37,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:27:37,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:37,611 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:27:37,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 03:27:37,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:37,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 151 states and 213 transitions. [2023-12-03 03:27:37,626 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 213 transitions. [2023-12-03 03:27:37,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 03:27:37,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:37,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:37,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:37,628 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:37,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 03:27:38,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:38,110 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:38,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:38,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:27:38,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:38,323 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:27:38,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2023-12-03 03:27:38,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:38,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 151 states and 211 transitions. [2023-12-03 03:27:38,339 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 211 transitions. [2023-12-03 03:27:38,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 03:27:38,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:38,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:38,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:38,341 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:38,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 03:27:38,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:38,874 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:39,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:39,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:27:39,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:39,100 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:27:39,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2023-12-03 03:27:39,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:39,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 151 states and 209 transitions. [2023-12-03 03:27:39,116 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 209 transitions. [2023-12-03 03:27:39,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 03:27:39,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:39,117 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:39,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:39,118 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:39,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 03:27:39,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:39,642 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:39,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:39,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:39,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:40,046 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:27:40,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 03:27:40,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:40,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:27:40,073 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:27:40,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:27:40,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:40,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:40,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:40,075 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:40,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 03:27:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:40,744 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:41,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:41,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:41,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:41,193 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:27:41,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 03:27:41,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:41,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:27:41,316 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:27:41,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:27:41,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:41,317 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:41,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:41,318 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:41,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 03:27:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:42,041 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:42,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:42,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:42,361 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:27:42,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 03:27:42,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:42,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:27:42,379 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:27:42,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:27:42,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:42,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:42,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:42,381 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:42,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 03:27:43,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:43,169 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:43,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:43,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:43,565 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:27:43,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 03:27:43,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:43,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:27:43,584 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:27:43,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:27:43,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:43,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:43,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:43,587 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:43,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 03:27:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:44,476 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:44,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:44,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:44,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:44,813 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:27:44,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 03:27:44,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:44,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:27:44,831 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:27:44,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:27:44,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:44,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:44,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:44,832 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:44,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 03:27:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:45,585 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:45,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:45,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:45,913 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:27:45,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2023-12-03 03:27:45,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:45,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:27:45,931 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:27:45,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:27:45,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:45,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:45,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:45,933 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:45,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 03:27:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:46,716 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:47,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:47,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:47,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:47,084 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:27:47,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 03:27:47,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:47,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:27:47,104 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:27:47,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:27:47,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:47,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:47,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:47,105 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:47,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 03:27:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:48,020 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:48,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:48,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:48,366 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:27:48,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 03:27:48,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:48,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:27:48,385 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:27:48,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:27:48,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:48,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:48,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:48,387 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:48,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 03:27:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:49,336 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:49,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:49,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:49,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:49,648 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:27:49,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 03:27:49,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:49,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:27:49,667 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:27:49,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:27:49,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:49,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:49,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:49,669 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:49,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 03:27:50,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:50,618 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:50,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:50,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:50,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:50,895 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:27:50,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 03:27:50,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:50,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:27:50,934 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:27:50,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:27:50,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:50,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:50,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:50,936 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:50,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 03:27:51,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:51,922 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:52,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:52,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:52,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:52,256 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:27:52,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 03:27:52,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:52,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:27:52,279 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:27:52,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:27:52,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:52,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:52,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:52,281 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:52,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 03:27:53,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:53,473 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:53,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:53,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:53,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:53,806 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:27:53,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 03:27:53,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:53,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:27:53,827 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:27:53,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:27:53,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:53,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:53,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:53,829 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:53,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 03:27:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:54,845 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:55,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:55,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:55,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:55,153 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:27:55,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 03:27:55,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:55,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:27:55,174 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:27:55,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:27:55,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:55,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:55,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:55,176 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:55,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 03:27:56,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:56,295 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:56,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:56,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:56,606 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:27:56,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 03:27:56,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:56,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:27:56,629 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:27:56,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:27:56,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:56,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:56,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:56,631 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:56,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 03:27:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:57,848 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:58,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:58,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:58,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:58,231 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:27:58,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2023-12-03 03:27:58,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:58,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:27:58,260 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:27:58,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:27:58,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:58,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:58,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:58,262 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:58,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 03:27:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:59,490 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:59,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:59,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:59,839 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:27:59,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 03:27:59,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:59,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:27:59,861 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:27:59,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:27:59,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:59,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:59,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:59,863 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:59,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 03:28:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:01,094 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:01,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:01,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:01,381 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:01,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 03:28:01,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:01,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:28:01,404 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:28:01,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:28:01,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:01,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:01,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:01,405 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:01,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 03:28:02,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:02,869 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:03,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:03,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:03,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:03,249 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:03,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 03:28:03,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:03,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:28:03,280 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:28:03,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:28:03,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:03,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:03,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:03,282 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:03,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 03:28:04,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:04,615 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:04,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:04,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:04,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:04,973 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:04,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 03:28:04,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:04,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:28:04,999 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:28:04,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:28:04,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:04,999 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:05,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:05,000 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:05,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 03:28:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:06,438 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:06,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:06,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:06,798 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:06,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 03:28:06,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:06,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:28:06,826 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:28:06,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:28:06,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:06,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:06,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:06,827 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:06,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 03:28:08,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:08,178 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:08,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:08,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:08,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:08,493 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:08,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 03:28:08,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:08,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:28:08,522 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:28:08,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:28:08,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:08,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:08,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:08,523 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:08,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 03:28:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:09,887 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:10,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:10,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:10,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:10,197 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:10,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 03:28:10,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:10,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:28:10,257 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:28:10,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:28:10,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:10,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:10,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:10,259 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:10,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 03:28:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:11,878 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:12,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:12,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:12,218 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:12,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 03:28:12,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:12,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:28:12,274 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:28:12,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:28:12,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:12,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:12,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:12,276 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:12,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 03:28:13,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:13,826 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:14,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:14,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:14,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:14,156 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:14,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 03:28:14,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:14,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:28:14,185 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:28:14,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:28:14,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:14,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:14,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:14,187 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:14,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 03:28:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:15,740 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:16,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:16,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:16,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:16,060 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:16,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 03:28:16,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:16,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:28:16,098 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:28:16,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:28:16,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:16,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:16,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:16,100 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:16,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 03:28:17,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:17,774 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:18,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:18,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:18,110 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:18,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 03:28:18,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:18,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:28:18,150 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:28:18,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:28:18,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:18,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:18,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:18,152 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:18,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 03:28:19,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:19,879 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:20,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:20,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:20,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:20,184 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:20,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 03:28:20,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:20,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:28:20,221 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:28:20,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:28:20,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:20,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:20,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:20,223 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:20,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 03:28:22,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:22,068 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:22,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:22,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:22,391 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:22,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2023-12-03 03:28:22,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:22,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:28:22,426 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:28:22,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:28:22,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:22,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:22,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:22,427 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:22,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 03:28:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:24,336 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:24,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:24,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:24,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:24,699 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:24,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 03:28:24,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:24,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:28:24,734 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:28:24,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:28:24,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:24,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:24,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:24,735 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:24,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 03:28:26,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:26,567 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:26,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:26,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:26,917 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:26,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 03:28:26,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:26,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:28:26,956 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:28:26,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:28:26,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:26,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:26,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:26,958 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:26,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 03:28:28,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:28,827 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:29,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:29,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:29,161 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:29,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 03:28:29,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:29,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:28:29,202 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:28:29,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:28:29,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:29,203 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:29,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:29,204 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:29,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 03:28:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:31,046 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:31,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:31,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:31,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:31,381 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:31,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 03:28:31,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:31,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:28:31,419 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:28:31,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:28:31,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:31,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:31,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:31,434 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:31,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 03:28:33,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:33,348 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:33,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:33,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:33,699 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:33,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 03:28:33,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:33,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:28:33,743 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:28:33,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:28:33,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:33,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:33,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:33,745 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:33,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 03:28:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:35,753 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:36,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:36,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:36,122 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:36,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 03:28:36,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:36,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:28:36,162 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:28:36,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:28:36,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:36,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:36,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:36,164 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:36,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 03:28:38,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:38,126 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:38,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:38,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:38,446 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:38,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 03:28:38,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:38,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:28:38,484 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:28:38,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:28:38,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:38,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:38,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:38,486 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:38,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 03:28:40,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:40,376 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:40,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:40,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:40,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:40,705 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:40,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 03:28:40,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:40,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:28:40,744 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:28:40,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:28:40,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:40,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:40,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:40,746 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:40,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 03:28:42,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:42,715 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:43,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:43,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:43,068 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:43,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 03:28:43,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:43,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:28:43,109 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:28:43,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:28:43,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:43,110 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:43,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:43,111 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:43,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 03:28:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:45,163 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:45,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:45,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:45,464 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:45,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 03:28:45,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:45,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:28:45,504 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:28:45,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:28:45,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:45,505 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:45,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:45,506 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:45,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 03:28:47,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:47,525 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:47,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:47,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:47,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:47,838 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:47,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 03:28:47,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:47,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:28:47,883 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:28:47,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:28:47,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:47,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:47,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:47,885 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:47,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 03:28:50,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:50,095 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:50,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:50,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:50,437 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:50,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 03:28:50,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:50,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:28:50,480 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:28:50,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:28:50,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:50,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:50,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:50,481 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:50,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 03:28:52,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:52,655 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:52,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:52,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:52,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:52,966 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:53,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 03:28:53,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:53,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:28:53,010 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:28:53,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:28:53,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:53,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:53,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:53,012 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:53,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 03:28:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:55,461 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:55,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:55,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:55,747 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:55,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 03:28:55,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:55,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:28:55,791 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:28:55,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:28:55,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:55,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:55,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:55,794 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:55,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 03:28:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:58,126 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:58,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:58,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:58,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:58,482 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:58,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 03:28:58,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:58,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:28:58,526 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:28:58,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:28:58,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:58,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:58,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:58,527 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:58,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 03:29:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:00,638 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:00,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:29:00,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:00,929 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:29:00,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Forceful destruction successful, exit code 0 [2023-12-03 03:29:00,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:00,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:29:00,963 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:29:00,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:29:00,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:00,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:00,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:00,965 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:00,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 03:29:03,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:03,374 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:03,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:29:03,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:03,705 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:29:03,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 03:29:03,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:03,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:29:03,734 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:29:03,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:29:03,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:03,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:03,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:03,735 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:03,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 03:29:06,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:06,127 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:06,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:06,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:29:06,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:06,452 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:29:06,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 03:29:06,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:06,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:29:06,484 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:29:06,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:29:06,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:06,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:06,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:06,486 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:06,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 03:29:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:08,870 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:09,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:29:09,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:09,179 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:29:09,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 03:29:09,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:09,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:29:09,211 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:29:09,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:29:09,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:09,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:09,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:09,213 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:09,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 03:29:11,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:11,983 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:12,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:12,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:29:12,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:12,290 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:29:12,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 03:29:12,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:12,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:29:12,319 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:29:12,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:29:12,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:12,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:12,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:12,321 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:12,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 03:29:14,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:14,831 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:15,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:15,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:29:15,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:15,134 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:29:15,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Forceful destruction successful, exit code 0 [2023-12-03 03:29:15,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:15,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:29:15,165 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:29:15,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:29:15,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:15,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:15,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:15,167 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:15,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 03:29:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:17,606 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:17,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:29:17,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:17,921 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:29:17,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 03:29:17,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:17,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:29:17,954 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:29:17,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:29:17,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:17,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:17,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:17,956 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:17,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 03:29:20,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:20,108 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:20,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:20,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:29:20,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:20,403 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:29:20,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 03:29:20,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:20,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:29:20,434 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:29:20,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:29:20,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:20,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:20,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:20,436 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:20,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 03:29:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:22,905 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:23,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:23,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:29:23,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:23,226 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:29:23,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-03 03:29:23,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:23,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:29:23,257 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:29:23,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:29:23,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:23,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:23,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:23,259 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:23,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 03:29:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:25,748 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:26,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:26,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:29:26,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:26,058 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:29:26,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 03:29:26,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:26,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:29:26,089 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:29:26,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:29:26,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:26,090 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:26,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:26,090 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:26,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 03:29:28,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:28,605 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:28,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:29:28,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:28,919 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:29:28,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 03:29:28,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:28,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:29:28,956 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:29:28,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:29:28,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:28,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:28,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:28,957 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:28,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 03:29:31,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:31,578 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:31,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:29:31,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:31,889 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:29:31,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 03:29:31,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:31,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:29:31,921 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:29:31,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:29:31,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:31,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:31,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:31,922 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:31,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 03:29:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:34,686 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:34,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:29:34,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:34,986 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:29:35,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 03:29:35,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:35,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:29:35,018 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:29:35,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:29:35,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:35,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:35,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:35,020 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:35,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 03:29:37,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:37,935 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:38,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:38,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:29:38,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:38,230 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:29:38,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-03 03:29:38,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:38,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:29:38,263 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:29:38,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:29:38,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:38,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:38,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:38,265 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:38,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 03:29:40,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:40,978 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:41,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:41,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:29:41,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:41,292 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:29:41,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Forceful destruction successful, exit code 0 [2023-12-03 03:29:41,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:41,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:29:41,326 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:29:41,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:29:41,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:41,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:41,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:41,327 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:41,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 03:29:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:44,028 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:44,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:29:44,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:44,366 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:29:44,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-03 03:29:44,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:44,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:29:44,399 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:29:44,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:29:44,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:44,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:44,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:44,401 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:44,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 03:29:47,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:47,298 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:47,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:29:47,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:47,583 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:29:47,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-03 03:29:47,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:47,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:29:47,617 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:29:47,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:29:47,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:47,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:47,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:47,618 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:47,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 03:29:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:50,500 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:50,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:29:50,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:50,826 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:29:50,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-03 03:29:50,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:50,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:29:50,860 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:29:50,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:29:50,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:50,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:50,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:50,861 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:50,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 03:29:53,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:53,862 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:54,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:29:54,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:54,191 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:29:54,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-03 03:29:54,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:54,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:29:54,225 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:29:54,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:29:54,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:54,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:54,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:54,227 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:54,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 03:29:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:57,218 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:57,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:57,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:29:57,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:57,500 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:29:57,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-03 03:29:57,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:57,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:29:57,536 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:29:57,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:29:57,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:57,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:57,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:57,537 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:57,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 03:30:00,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:00,478 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:30:00,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:00,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:30:00,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:30:00,773 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:30:00,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-03 03:30:00,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:00,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:30:00,812 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:30:00,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:30:00,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:00,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:30:00,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:30:00,813 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:30:00,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 03:30:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:03,457 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:30:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:03,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:30:03,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:30:03,781 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:30:03,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-03 03:30:03,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:03,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:30:03,818 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:30:03,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:30:03,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:03,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:30:03,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:30:03,819 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:30:03,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 03:30:06,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:06,945 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:30:07,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:07,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:30:07,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:30:07,255 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:30:07,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-03 03:30:07,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:07,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:30:07,291 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:30:07,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:30:07,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:07,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:30:07,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:30:07,292 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:30:07,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 03:30:10,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:10,375 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:30:10,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:10,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:30:10,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:30:10,677 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:30:10,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-03 03:30:10,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:10,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:30:10,714 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:30:10,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:30:10,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:10,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:30:10,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:30:10,715 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:30:10,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 03:30:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:13,713 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:30:14,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:14,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:30:14,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:30:14,051 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:30:14,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Forceful destruction successful, exit code 0 [2023-12-03 03:30:14,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:14,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:30:14,088 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:30:14,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:30:14,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:14,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:30:14,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:30:14,090 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:30:14,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 03:30:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:17,443 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:30:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:17,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:30:17,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:30:17,727 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:30:17,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-03 03:30:17,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:17,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:30:17,764 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:30:17,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:30:17,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:17,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:30:17,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:30:17,766 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:30:17,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 03:30:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:20,935 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:30:21,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:21,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:30:21,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:30:21,238 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:30:21,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-03 03:30:21,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:21,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:30:21,297 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:30:21,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:30:21,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:21,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:30:21,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:30:21,298 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:30:21,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 03:30:24,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:24,776 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:30:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:25,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:30:25,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:30:25,131 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:30:25,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-03 03:30:25,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:25,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:30:25,170 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:30:25,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:30:25,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:25,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:30:25,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:30:25,171 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:30:25,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 03:30:28,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:28,613 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:30:28,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:28,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:30:28,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:30:28,913 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:30:28,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-03 03:30:28,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:28,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:30:28,954 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:30:28,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:30:28,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:28,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:30:28,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:30:28,956 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:30:28,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 03:30:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:32,459 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:30:32,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:32,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:30:32,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:30:32,785 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:30:32,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-03 03:30:32,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:32,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:30:32,824 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:30:32,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:30:32,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:32,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:30:32,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:30:32,825 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:30:32,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-03 03:30:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:36,030 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:30:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:36,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:30:36,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:30:36,352 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:30:36,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-03 03:30:36,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:36,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:30:36,390 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:30:36,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:30:36,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:36,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:30:36,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:30:36,392 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:30:36,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-03 03:30:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:39,996 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:30:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:40,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:30:40,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:30:40,316 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:30:40,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-03 03:30:40,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:40,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:30:40,359 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:30:40,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:30:40,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:40,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:30:40,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:30:40,361 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:30:40,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-03 03:30:43,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:43,946 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:30:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:44,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:30:44,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:30:44,248 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:30:44,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-03 03:30:44,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:44,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:30:44,291 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:30:44,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:30:44,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:44,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:30:44,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:30:44,292 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:30:44,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-03 03:30:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:47,822 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:30:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:48,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:30:48,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:30:48,145 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:30:48,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-03 03:30:48,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:48,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:30:48,187 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:30:48,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:30:48,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:48,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:30:48,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:30:48,188 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:30:48,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-03 03:30:51,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:51,802 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:30:52,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:52,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:30:52,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:30:52,117 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:30:52,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-03 03:30:52,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:52,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:30:52,159 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:30:52,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:30:52,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:52,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:30:52,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:30:52,160 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:30:52,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-03 03:30:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:55,846 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:30:56,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:56,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:30:56,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:30:56,185 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:30:56,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-03 03:30:56,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:56,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:30:56,228 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:30:56,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:30:56,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:56,228 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:30:56,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:30:56,229 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:30:56,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-03 03:30:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:59,799 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:31:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:00,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:31:00,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:31:00,108 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:31:00,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-03 03:31:00,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:00,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:31:00,150 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:31:00,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:31:00,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:00,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:31:00,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:31:00,152 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:31:00,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-03 03:31:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:03,657 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:31:03,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:03,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:31:03,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:31:03,934 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:31:03,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-03 03:31:03,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:03,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:31:03,977 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:31:03,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:31:03,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:03,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:31:03,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:31:03,979 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:31:03,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-03 03:31:07,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:07,744 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:31:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:08,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:31:08,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:31:08,095 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:31:08,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-03 03:31:08,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:08,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:31:08,137 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:31:08,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:31:08,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:08,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:31:08,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:31:08,139 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:31:08,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-03 03:31:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:12,058 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:31:12,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:12,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:31:12,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:31:12,366 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:31:12,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-03 03:31:12,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:12,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:31:12,410 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:31:12,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:31:12,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:12,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:31:12,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:31:12,411 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:31:12,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-03 03:31:15,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:15,796 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:31:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:16,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:31:16,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:31:16,146 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:31:16,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-03 03:31:16,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:16,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:31:16,192 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:31:16,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:31:16,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:16,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:31:16,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:31:16,194 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:31:16,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-03 03:31:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:19,907 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:31:20,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:20,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:31:20,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:31:20,227 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:31:20,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-03 03:31:20,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:20,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:31:20,271 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:31:20,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:31:20,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:20,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:31:20,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:31:20,273 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:31:20,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-03 03:31:24,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:24,173 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:31:24,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:24,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:31:24,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:31:24,519 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:31:24,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-03 03:31:24,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:24,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:31:24,566 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:31:24,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:31:24,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:24,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:31:24,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:31:24,568 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:31:24,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-03 03:31:29,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:29,061 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:31:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:29,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:31:29,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:31:29,513 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:31:29,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-03 03:31:29,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:29,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:31:29,563 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:31:29,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:31:29,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:29,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:31:29,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:31:29,564 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:31:29,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-03 03:31:33,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:33,823 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:31:34,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:34,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:31:34,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:31:34,132 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:31:34,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-03 03:31:34,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:34,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:31:34,177 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:31:34,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:31:34,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:34,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:31:34,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:31:34,178 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:31:34,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-03 03:31:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:38,285 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:31:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:38,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:31:38,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:31:38,608 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:31:38,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-03 03:31:38,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:38,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:31:38,654 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:31:38,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:31:38,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:38,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:31:38,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:31:38,656 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:31:38,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-03 03:31:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:42,551 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:31:42,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:42,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:31:42,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:31:42,886 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:31:42,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-03 03:31:42,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:42,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:31:42,933 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:31:42,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:31:42,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:42,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:31:42,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:31:42,934 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:31:42,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-03 03:31:47,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:47,073 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:31:47,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:47,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:31:47,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:31:47,399 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:31:47,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-03 03:31:47,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:47,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:31:47,445 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:31:47,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:31:47,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:47,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:31:47,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:31:47,446 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:31:47,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-03 03:31:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:51,460 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:31:51,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:51,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:31:51,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:31:51,819 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:31:51,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-03 03:31:51,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:51,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:31:51,865 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:31:51,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:31:51,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:51,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:31:51,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:31:51,867 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:31:51,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-03 03:31:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:56,003 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:31:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:56,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:31:56,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:31:56,315 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:31:56,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-03 03:31:56,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:56,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:31:56,362 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:31:56,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:31:56,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:56,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:31:56,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:31:56,363 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:31:56,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-03 03:32:00,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:00,612 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:32:00,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:00,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:32:00,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:32:00,908 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:32:00,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-03 03:32:00,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:32:00,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:32:00,955 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:32:00,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:32:00,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:32:00,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:32:00,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:32:00,956 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:32:00,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-03 03:32:05,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:05,181 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:32:05,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:05,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:32:05,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:32:05,478 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:32:05,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-03 03:32:05,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:32:05,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:32:05,525 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:32:05,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:32:05,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:32:05,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:32:05,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:32:05,526 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:32:05,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-03 03:32:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:09,362 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:32:09,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:09,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:32:09,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:32:09,650 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:32:09,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-03 03:32:09,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:32:09,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:32:09,700 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:32:09,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:32:09,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:32:09,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:32:09,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:32:09,701 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:32:09,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-03 03:32:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:13,780 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:32:14,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:14,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:32:14,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:32:14,122 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:32:14,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-03 03:32:14,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:32:14,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:32:14,170 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:32:14,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:32:14,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:32:14,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:32:14,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:32:14,171 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:32:14,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-03 03:32:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:18,262 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:32:18,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:18,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:32:18,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:32:18,572 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:32:18,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Forceful destruction successful, exit code 0 [2023-12-03 03:32:18,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:32:18,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:32:18,646 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:32:18,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:32:18,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:32:18,646 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:32:18,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:32:18,647 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:32:18,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-03 03:32:23,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:23,073 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:32:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:23,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:32:23,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:32:23,387 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:32:23,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2023-12-03 03:32:23,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:32:23,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:32:23,436 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:32:23,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:32:23,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:32:23,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:32:23,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:32:23,437 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:32:23,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-03 03:32:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:27,958 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:32:28,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:28,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:32:28,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:32:28,302 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:32:28,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-03 03:32:28,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:32:28,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:32:28,353 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:32:28,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:32:28,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:32:28,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:32:28,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:32:28,354 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:32:28,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-03 03:32:32,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:32,658 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:32:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:32,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:32:32,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:32:32,994 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:32:33,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-03 03:32:33,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:32:33,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:32:33,044 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:32:33,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:32:33,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:32:33,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:32:33,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:32:33,045 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:32:33,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-03 03:32:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:37,356 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:32:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:37,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:32:37,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:32:37,636 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:32:37,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-03 03:32:37,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:32:37,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:32:37,685 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:32:37,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:32:37,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:32:37,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:32:37,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:32:37,687 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:32:37,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-03 03:32:42,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:42,447 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:32:42,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:42,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:32:42,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:32:42,755 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:32:42,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-03 03:32:42,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:32:42,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:32:42,806 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:32:42,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:32:42,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:32:42,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:32:42,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:32:42,807 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:32:42,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-03 03:32:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:47,355 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:32:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:47,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:32:47,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:32:47,664 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:32:47,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2023-12-03 03:32:47,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:32:47,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:32:47,716 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:32:47,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:32:47,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:32:47,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:32:47,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:32:47,718 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:32:47,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-03 03:32:52,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:52,295 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:32:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:52,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:32:52,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:32:52,675 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:32:52,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2023-12-03 03:32:52,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:32:52,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:32:52,729 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:32:52,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:32:52,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:32:52,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:32:52,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:32:52,730 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:32:52,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-03 03:32:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:57,893 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:32:58,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:58,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:32:58,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:32:58,271 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:32:58,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2023-12-03 03:32:58,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:32:58,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:32:58,328 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:32:58,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:32:58,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:32:58,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:32:58,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:32:58,330 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:32:58,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-03 03:33:03,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:03,520 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:33:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:03,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:33:03,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:33:03,837 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:33:03,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2023-12-03 03:33:03,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:33:03,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:33:03,887 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:33:03,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:33:03,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:33:03,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:33:03,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:33:03,889 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:33:03,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-03 03:33:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:08,579 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:33:08,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:08,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:33:08,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:33:08,978 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:33:09,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2023-12-03 03:33:09,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:33:09,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:33:09,033 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:33:09,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:33:09,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:33:09,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:33:09,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:33:09,034 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:33:09,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2023-12-03 03:33:13,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:13,313 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:33:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:13,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:33:13,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:33:13,691 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:33:13,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2023-12-03 03:33:13,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:33:13,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:33:13,749 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:33:13,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:33:13,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:33:13,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:33:13,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:33:13,750 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:33:13,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2023-12-03 03:33:18,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:18,780 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:33:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:19,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:33:19,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:33:19,134 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:33:19,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2023-12-03 03:33:19,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:33:19,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:33:19,186 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:33:19,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:33:19,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:33:19,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:33:19,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:33:19,187 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:33:19,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2023-12-03 03:33:24,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:24,066 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:33:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:24,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:33:24,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:33:24,447 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:33:24,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2023-12-03 03:33:24,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:33:24,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:33:24,506 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:33:24,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:33:24,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:33:24,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:33:24,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:33:24,507 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:33:24,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2023-12-03 03:33:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:29,514 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:33:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:29,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:33:29,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:33:29,940 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:33:29,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2023-12-03 03:33:30,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:33:30,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:33:30,001 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:33:30,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:33:30,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:33:30,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:33:30,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:33:30,002 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:33:30,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2023-12-03 03:33:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:34,739 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:33:35,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:35,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:33:35,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:33:35,059 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:33:35,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2023-12-03 03:33:35,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:33:35,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:33:35,112 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:33:35,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:33:35,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:33:35,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:33:35,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:33:35,114 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:33:35,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2023-12-03 03:33:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:40,233 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:33:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:40,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:33:40,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:33:40,559 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:33:40,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2023-12-03 03:33:40,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:33:40,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:33:40,613 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:33:40,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:33:40,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:33:40,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:33:40,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:33:40,615 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:33:40,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2023-12-03 03:33:45,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:45,306 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:33:45,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:45,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:33:45,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:33:45,617 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:33:45,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2023-12-03 03:33:45,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:33:45,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:33:45,672 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:33:45,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:33:45,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:33:45,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:33:45,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:33:45,674 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:33:45,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2023-12-03 03:33:50,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:50,742 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:33:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:51,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:33:51,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:33:51,092 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:33:51,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2023-12-03 03:33:51,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:33:51,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:33:51,147 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:33:51,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:33:51,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:33:51,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:33:51,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:33:51,148 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:33:51,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2023-12-03 03:33:55,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:55,698 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:33:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:55,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:33:55,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:33:56,005 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:33:56,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2023-12-03 03:33:56,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:33:56,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:33:56,060 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:33:56,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:33:56,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:33:56,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:33:56,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:33:56,061 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:33:56,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2023-12-03 03:34:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:01,429 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:34:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:01,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:34:01,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:34:01,726 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:34:01,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2023-12-03 03:34:01,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:34:01,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:34:01,783 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:34:01,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:34:01,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:34:01,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:34:01,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:34:01,784 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:34:01,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2023-12-03 03:34:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:06,409 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:34:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:06,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:34:06,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:34:06,701 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:34:06,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2023-12-03 03:34:06,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:34:06,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:34:06,756 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:34:06,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:34:06,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:34:06,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:34:06,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:34:06,757 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:34:06,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2023-12-03 03:34:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:11,779 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:34:12,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:12,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:34:12,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:34:12,067 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:34:12,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2023-12-03 03:34:12,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:34:12,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:34:12,122 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:34:12,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:34:12,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:34:12,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:34:12,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:34:12,123 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:34:12,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2023-12-03 03:34:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:17,419 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:34:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:17,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:34:17,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:34:17,721 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:34:17,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2023-12-03 03:34:17,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:34:17,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:34:17,778 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:34:17,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:34:17,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:34:17,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:34:17,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:34:17,780 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:34:17,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2023-12-03 03:34:22,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:22,819 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:34:23,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:23,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:34:23,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:34:23,127 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:34:23,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2023-12-03 03:34:23,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:34:23,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:34:23,205 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:34:23,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:34:23,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:34:23,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:34:23,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:34:23,207 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:34:23,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2023-12-03 03:34:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:28,522 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:34:28,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:28,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:34:28,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:34:28,870 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:34:28,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2023-12-03 03:34:28,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:34:28,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:34:28,929 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:34:28,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:34:28,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:34:28,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:34:28,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:34:28,930 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:34:28,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2023-12-03 03:34:34,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:34,594 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:34:34,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:34,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:34:34,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:34:34,952 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:34:35,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2023-12-03 03:34:35,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:34:35,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:34:35,014 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:34:35,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:34:35,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:34:35,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:34:35,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:34:35,015 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:34:35,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2023-12-03 03:34:41,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:41,095 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:34:41,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:41,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:34:41,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:34:41,420 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:34:41,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2023-12-03 03:34:41,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:34:41,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:34:41,484 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:34:41,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:34:41,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:34:41,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:34:41,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:34:41,486 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:34:41,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2023-12-03 03:34:47,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:47,504 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:34:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:47,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:34:47,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:34:47,900 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:34:47,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2023-12-03 03:34:47,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:34:47,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:34:47,960 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:34:47,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:34:47,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:34:47,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:34:47,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:34:47,962 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:34:47,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2023-12-03 03:34:54,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:54,099 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:34:54,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:54,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:34:54,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:34:54,424 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:34:54,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2023-12-03 03:34:54,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:34:54,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:34:54,482 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:34:54,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:34:54,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:34:54,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:34:54,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:34:54,484 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:34:54,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2023-12-03 03:35:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:00,338 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:35:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:00,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:35:00,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:35:00,719 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:35:00,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2023-12-03 03:35:00,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:35:00,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:35:00,809 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:35:00,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:35:00,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:35:00,809 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:35:00,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:35:00,810 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:35:00,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2023-12-03 03:35:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:06,840 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:35:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:07,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:35:07,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:35:07,190 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:35:07,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2023-12-03 03:35:07,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:35:07,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:35:07,253 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:35:07,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:35:07,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:35:07,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:35:07,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:35:07,255 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:35:07,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2023-12-03 03:35:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:13,409 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:35:13,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:13,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:35:13,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:35:13,845 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:35:13,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2023-12-03 03:35:13,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:35:13,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:35:13,914 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:35:13,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:35:13,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:35:13,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:35:13,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:35:13,916 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:35:13,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2023-12-03 03:35:19,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:19,617 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:35:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:19,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:35:19,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:35:19,897 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:35:19,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2023-12-03 03:35:19,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:35:19,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:35:19,959 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:35:19,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:35:19,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:35:19,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:35:19,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:35:19,960 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:35:19,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2023-12-03 03:35:25,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:25,497 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:35:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:25,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:35:25,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:35:25,809 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:35:25,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2023-12-03 03:35:25,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:35:25,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:35:25,870 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:35:25,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:35:25,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:35:25,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:35:25,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:35:25,871 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:35:25,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2023-12-03 03:35:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:31,185 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:35:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:31,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:35:31,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:35:31,519 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:35:31,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2023-12-03 03:35:31,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:35:31,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:35:31,580 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:35:31,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:35:31,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:35:31,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:35:31,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:35:31,581 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:35:31,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2023-12-03 03:35:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:37,293 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:35:37,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:37,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:35:37,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:35:37,598 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:35:37,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2023-12-03 03:35:37,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:35:37,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:35:37,662 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:35:37,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:35:37,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:35:37,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:35:37,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:35:37,664 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:35:37,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2023-12-03 03:35:43,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:43,315 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:35:43,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:43,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:35:43,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:35:43,595 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:35:43,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2023-12-03 03:35:43,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:35:43,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:35:43,656 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:35:43,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:35:43,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:35:43,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:35:43,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:35:43,658 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:35:43,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2023-12-03 03:35:49,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:49,573 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:35:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:49,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:35:49,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:35:49,903 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:35:49,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2023-12-03 03:35:49,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:35:49,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:35:49,973 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:35:49,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:35:49,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:35:49,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:35:49,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:35:49,974 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:35:49,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2023-12-03 03:35:55,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:55,772 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:35:56,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:56,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:35:56,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:35:56,085 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:35:56,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2023-12-03 03:35:56,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:35:56,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 03:35:56,147 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 03:35:56,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:35:56,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:35:56,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:35:56,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:35:56,149 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:35:56,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae51a740-5b0e-47cc-a51b-2d7338ea6c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process