./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-1.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_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/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_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/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_176bb5dd-1295-4b4d-a5ff-100ba313df28/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 ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:33:09,750 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:33:09,837 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 22:33:09,842 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:33:09,843 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:33:09,869 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:33:09,870 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:33:09,870 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:33:09,871 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:33:09,872 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:33:09,873 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:33:09,873 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:33:09,874 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:33:09,875 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:33:09,875 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:33:09,876 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:33:09,877 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:33:09,877 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:33:09,878 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:33:09,878 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:33:09,879 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:33:09,880 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:33:09,880 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:33:09,881 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:33:09,882 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:33:09,882 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:33:09,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:33:09,883 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:33:09,884 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:33:09,884 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:33:09,885 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:33:09,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:33:09,886 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:33:09,886 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_176bb5dd-1295-4b4d-a5ff-100ba313df28/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f [2023-12-02 22:33:10,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:33:10,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:33:10,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:33:10,209 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:33:10,209 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:33:10,211 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-1.i [2023-12-02 22:33:13,758 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:33:14,094 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:33:14,095 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-1.i [2023-12-02 22:33:14,119 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/data/e02010f84/c6721c8505094afc9d5d3c0d99460002/FLAGff406aa06 [2023-12-02 22:33:14,137 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/data/e02010f84/c6721c8505094afc9d5d3c0d99460002 [2023-12-02 22:33:14,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:33:14,142 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:33:14,144 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:33:14,144 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:33:14,151 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:33:14,151 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:33:14" (1/1) ... [2023-12-02 22:33:14,153 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4529e51b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:33:14, skipping insertion in model container [2023-12-02 22:33:14,153 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:33:14" (1/1) ... [2023-12-02 22:33:14,234 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:33:14,728 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_176bb5dd-1295-4b4d-a5ff-100ba313df28/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-1.i[33519,33532] [2023-12-02 22:33:14,864 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:33:14,877 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:33:14,917 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_176bb5dd-1295-4b4d-a5ff-100ba313df28/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-1.i[33519,33532] [2023-12-02 22:33:14,984 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:33:15,100 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:33:15,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:33:15 WrapperNode [2023-12-02 22:33:15,101 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:33:15,103 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:33:15,103 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:33:15,103 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:33:15,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:33:15" (1/1) ... [2023-12-02 22:33:15,155 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:33:15" (1/1) ... [2023-12-02 22:33:15,233 INFO L138 Inliner]: procedures = 177, calls = 339, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1457 [2023-12-02 22:33:15,233 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:33:15,234 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:33:15,234 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:33:15,235 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:33:15,247 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:33:15" (1/1) ... [2023-12-02 22:33:15,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:33:15" (1/1) ... [2023-12-02 22:33:15,259 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:33:15" (1/1) ... [2023-12-02 22:33:15,260 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:33:15" (1/1) ... [2023-12-02 22:33:15,325 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:33:15" (1/1) ... [2023-12-02 22:33:15,346 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:33:15" (1/1) ... [2023-12-02 22:33:15,356 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:33:15" (1/1) ... [2023-12-02 22:33:15,367 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:33:15" (1/1) ... [2023-12-02 22:33:15,387 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:33:15,389 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:33:15,389 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:33:15,389 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:33:15,390 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:33:15" (1/1) ... [2023-12-02 22:33:15,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:33:15,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:33:15,428 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:33:15,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:33:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 22:33:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 22:33:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 22:33:15,467 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 22:33:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 22:33:15,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:33:15,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:33:15,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 22:33:15,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 22:33:15,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:33:15,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:33:15,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:33:15,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:33:15,728 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:33:15,730 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:33:17,533 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:33:19,292 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:33:19,293 INFO L309 CfgBuilder]: Removed 60 assume(true) statements. [2023-12-02 22:33:19,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:33:19 BoogieIcfgContainer [2023-12-02 22:33:19,295 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:33:19,296 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:33:19,296 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:33:19,309 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:33:19,309 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:33:19" (1/1) ... [2023-12-02 22:33:19,321 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:33:19,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:33:19,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 114 states and 193 transitions. [2023-12-02 22:33:19,396 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 193 transitions. [2023-12-02 22:33:19,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 22:33:19,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:33:19,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:33:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:33:19,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:33:19,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:33:19,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 116 states and 196 transitions. [2023-12-02 22:33:19,796 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 196 transitions. [2023-12-02 22:33:19,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 22:33:19,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:33:19,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:33:19,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:33:19,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:33:19,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:33:19,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:33:19,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:33:19,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 116 states and 192 transitions. [2023-12-02 22:33:19,935 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 192 transitions. [2023-12-02 22:33:19,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 22:33:19,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:33:19,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:33:20,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:33:20,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:33:20,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:33:20,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:33:20,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:33:20,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 116 states and 184 transitions. [2023-12-02 22:33:20,057 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 184 transitions. [2023-12-02 22:33:20,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 22:33:20,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:33:20,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:33:20,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:33:20,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:33:20,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:33:20,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:33:20,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:33:20,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 116 states and 172 transitions. [2023-12-02 22:33:20,284 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 172 transitions. [2023-12-02 22:33:20,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 22:33:20,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:33:20,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:33:20,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:33:20,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:33:20,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:33:20,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:33:30,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:33:40,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:33:40,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:33:40,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 116 states and 158 transitions. [2023-12-02 22:33:40,861 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 158 transitions. [2023-12-02 22:33:40,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 22:33:40,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:33:40,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:33:41,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:33:41,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:33:41,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:33:41,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:33:51,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:34:01,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:34:11,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:34:21,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:34:31,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:34:41,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:34:51,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:35:01,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:35:02,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:35:02,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 152 states and 199 transitions. [2023-12-02 22:35:02,106 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 199 transitions. [2023-12-02 22:35:02,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 22:35:02,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:35:02,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:35:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:35:02,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:35:02,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:35:02,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:35:02,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:35:02,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 152 states and 197 transitions. [2023-12-02 22:35:02,472 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 197 transitions. [2023-12-02 22:35:02,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 22:35:02,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:35:02,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:35:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:35:02,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:35:02,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:35:02,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:35:02,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:35:02,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 152 states and 195 transitions. [2023-12-02 22:35:02,814 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 195 transitions. [2023-12-02 22:35:02,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 22:35:02,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:35:02,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:35:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:35:03,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:35:03,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:35:03,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:35:03,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:35:03,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 152 states and 193 transitions. [2023-12-02 22:35:03,174 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 193 transitions. [2023-12-02 22:35:03,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 22:35:03,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:35:03,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:35:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:35:03,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:35:03,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:35:03,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:35:13,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:35:13,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:35:13,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 152 states and 191 transitions. [2023-12-02 22:35:13,593 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 191 transitions. [2023-12-02 22:35:13,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 22:35:13,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:35:13,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:35:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:35:13,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:35:13,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:35:13,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:35:23,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:35:23,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:35:23,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 152 states and 189 transitions. [2023-12-02 22:35:23,988 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 189 transitions. [2023-12-02 22:35:23,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 22:35:23,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:35:23,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:35:24,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:35:24,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:35:24,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:35:24,545 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:35:34,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:35:44,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:35:54,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:36:04,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:36:04,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:36:04,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 155 states and 191 transitions. [2023-12-02 22:36:04,704 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 191 transitions. [2023-12-02 22:36:04,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 22:36:04,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:36:04,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:36:05,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:36:05,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:36:05,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:36:05,201 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:36:15,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:36:25,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:36:35,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:36:45,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:36:45,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:36:45,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 158 states and 193 transitions. [2023-12-02 22:36:45,373 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 193 transitions. [2023-12-02 22:36:45,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 22:36:45,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:36:45,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:36:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:36:45,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:36:45,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:36:45,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:36:45,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:36:45,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 158 states and 191 transitions. [2023-12-02 22:36:45,753 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 191 transitions. [2023-12-02 22:36:45,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 22:36:45,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:36:45,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:36:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:36:46,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:36:46,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:36:46,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:36:46,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:36:46,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 158 states and 190 transitions. [2023-12-02 22:36:46,202 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 190 transitions. [2023-12-02 22:36:46,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:36:46,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:36:46,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:36:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:36:46,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:36:46,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:36:46,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 22:36:56,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:37:06,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:37:16,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:37:26,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:37:26,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:37:26,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 170 states and 205 transitions. [2023-12-02 22:37:26,833 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 205 transitions. [2023-12-02 22:37:26,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:37:26,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:37:26,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:37:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:37:27,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:37:27,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:37:27,311 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 22:37:27,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:37:27,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 179 states and 215 transitions. [2023-12-02 22:37:27,363 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 215 transitions. [2023-12-02 22:37:27,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-02 22:37:27,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:37:27,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:37:27,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:37:27,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:37:27,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:37:27,823 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:37:37,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:37:47,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:37:57,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:38:07,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:38:08,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:38:08,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 182 states and 217 transitions. [2023-12-02 22:38:08,023 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 217 transitions. [2023-12-02 22:38:08,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:38:08,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:38:08,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:38:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 22:38:18,407 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) [2023-12-02 22:38:18,409 INFO L158 Benchmark]: Toolchain (without parser) took 304267.20ms. Allocated memory was 125.8MB in the beginning and 247.5MB in the end (delta: 121.6MB). Free memory was 84.8MB in the beginning and 121.0MB in the end (delta: -36.2MB). Peak memory consumption was 86.7MB. Max. memory is 16.1GB. [2023-12-02 22:38:18,410 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 92.3MB. Free memory is still 39.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:38:18,410 INFO L158 Benchmark]: CACSL2BoogieTranslator took 957.50ms. Allocated memory was 125.8MB in the beginning and 161.5MB in the end (delta: 35.7MB). Free memory was 84.4MB in the beginning and 126.4MB in the end (delta: -42.0MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2023-12-02 22:38:18,411 INFO L158 Benchmark]: Boogie Procedure Inliner took 130.94ms. Allocated memory is still 161.5MB. Free memory was 125.6MB in the beginning and 116.3MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 22:38:18,411 INFO L158 Benchmark]: Boogie Preprocessor took 153.22ms. Allocated memory is still 161.5MB. Free memory was 116.3MB in the beginning and 106.7MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:38:18,412 INFO L158 Benchmark]: RCFGBuilder took 3906.48ms. Allocated memory was 161.5MB in the beginning and 199.2MB in the end (delta: 37.7MB). Free memory was 106.7MB in the beginning and 92.6MB in the end (delta: 14.1MB). Peak memory consumption was 99.9MB. Max. memory is 16.1GB. [2023-12-02 22:38:18,412 INFO L158 Benchmark]: CodeCheck took 299112.73ms. Allocated memory was 199.2MB in the beginning and 247.5MB in the end (delta: 48.2MB). Free memory was 92.6MB in the beginning and 121.0MB in the end (delta: -28.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 22:38:18,415 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 0.43ms. Allocated memory is still 92.3MB. Free memory is still 39.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 957.50ms. Allocated memory was 125.8MB in the beginning and 161.5MB in the end (delta: 35.7MB). Free memory was 84.4MB in the beginning and 126.4MB in the end (delta: -42.0MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 130.94ms. Allocated memory is still 161.5MB. Free memory was 125.6MB in the beginning and 116.3MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 153.22ms. Allocated memory is still 161.5MB. Free memory was 116.3MB in the beginning and 106.7MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 3906.48ms. Allocated memory was 161.5MB in the beginning and 199.2MB in the end (delta: 37.7MB). Free memory was 106.7MB in the beginning and 92.6MB in the end (delta: 14.1MB). Peak memory consumption was 99.9MB. Max. memory is 16.1GB. * CodeCheck took 299112.73ms. Allocated memory was 199.2MB in the beginning and 247.5MB in the end (delta: 48.2MB). Free memory was 92.6MB in the beginning and 121.0MB in the end (delta: -28.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:38:18,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/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_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/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_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/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_176bb5dd-1295-4b4d-a5ff-100ba313df28/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 ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:38:20,276 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:38:20,355 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 22:38:20,388 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:38:20,389 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:38:20,390 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:38:20,391 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:38:20,391 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:38:20,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:38:20,392 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:38:20,393 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:38:20,393 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:38:20,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:38:20,395 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:38:20,395 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:38:20,396 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:38:20,396 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:38:20,397 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:38:20,397 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:38:20,398 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:38:20,398 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:38:20,399 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:38:20,399 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:38:20,400 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:38:20,400 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:38:20,401 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:38:20,401 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:38:20,402 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:38:20,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:38:20,403 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:38:20,403 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:38:20,404 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:38:20,404 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:38:20,404 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:38:20,405 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:38:20,405 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:38:20,405 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:38:20,405 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_176bb5dd-1295-4b4d-a5ff-100ba313df28/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f [2023-12-02 22:38:20,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:38:20,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:38:20,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:38:20,725 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:38:20,725 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:38:20,726 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-1.i [2023-12-02 22:38:23,431 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:38:23,727 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:38:23,727 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-1.i [2023-12-02 22:38:23,745 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/data/b25a942af/b7ae1a936daa4289b04dcf6bb33d9d64/FLAGb6af93472 [2023-12-02 22:38:23,761 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/data/b25a942af/b7ae1a936daa4289b04dcf6bb33d9d64 [2023-12-02 22:38:23,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:38:23,765 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:38:23,767 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:38:23,767 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:38:23,772 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:38:23,772 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:38:23" (1/1) ... [2023-12-02 22:38:23,774 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fd49050 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:23, skipping insertion in model container [2023-12-02 22:38:23,774 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:38:23" (1/1) ... [2023-12-02 22:38:23,843 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:38:24,254 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_176bb5dd-1295-4b4d-a5ff-100ba313df28/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-1.i[33519,33532] [2023-12-02 22:38:24,387 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:38:24,400 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 22:38:24,422 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:38:24,441 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_176bb5dd-1295-4b4d-a5ff-100ba313df28/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-1.i[33519,33532] [2023-12-02 22:38:24,494 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:38:24,498 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:38:24,524 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_176bb5dd-1295-4b4d-a5ff-100ba313df28/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-1.i[33519,33532] [2023-12-02 22:38:24,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:38:24,606 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:38:24,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:24 WrapperNode [2023-12-02 22:38:24,607 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:38:24,608 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:38:24,608 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:38:24,609 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:38:24,616 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:24" (1/1) ... [2023-12-02 22:38:24,648 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:24" (1/1) ... [2023-12-02 22:38:24,710 INFO L138 Inliner]: procedures = 180, calls = 339, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1120 [2023-12-02 22:38:24,710 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:38:24,711 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:38:24,712 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:38:24,712 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:38:24,721 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:24" (1/1) ... [2023-12-02 22:38:24,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:24" (1/1) ... [2023-12-02 22:38:24,731 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:24" (1/1) ... [2023-12-02 22:38:24,731 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:24" (1/1) ... [2023-12-02 22:38:24,772 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:24" (1/1) ... [2023-12-02 22:38:24,781 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:24" (1/1) ... [2023-12-02 22:38:24,787 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:24" (1/1) ... [2023-12-02 22:38:24,793 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:24" (1/1) ... [2023-12-02 22:38:24,804 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:38:24,805 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:38:24,805 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:38:24,805 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:38:24,806 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:24" (1/1) ... [2023-12-02 22:38:24,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:38:24,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:38:24,837 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:38:24,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:38:24,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-02 22:38:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 22:38:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 22:38:24,875 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 22:38:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 22:38:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:38:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:38:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 22:38:24,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 22:38:24,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:38:24,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 22:38:24,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:38:24,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:38:24,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:38:25,078 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:38:25,080 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:38:48,540 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:38:49,014 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:38:49,014 INFO L309 CfgBuilder]: Removed 60 assume(true) statements. [2023-12-02 22:38:49,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:38:49 BoogieIcfgContainer [2023-12-02 22:38:49,016 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:38:49,017 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:38:49,017 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:38:49,027 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:38:49,027 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:38:49" (1/1) ... [2023-12-02 22:38:49,036 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:38:49,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:38:49,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 114 states and 193 transitions. [2023-12-02 22:38:49,096 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 193 transitions. [2023-12-02 22:38:49,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 22:38:49,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:38:49,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:38:49,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:38:49,130 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:38:49,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:38:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:38:49,433 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:38:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:38:49,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:38:49,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:38:49,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:38:49,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:38:49,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:38:49,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 116 states and 196 transitions. [2023-12-02 22:38:49,862 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 196 transitions. [2023-12-02 22:38:49,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 22:38:49,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:38:49,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:38:49,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:38:49,864 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:38:49,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:38:50,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:38:50,176 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:38:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:38:50,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:38:50,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:38:50,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:38:50,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:38:50,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:38:50,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 116 states and 192 transitions. [2023-12-02 22:38:50,273 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 192 transitions. [2023-12-02 22:38:50,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 22:38:50,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:38:50,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:38:50,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:38:50,279 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:38:50,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 22:38:50,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:38:50,564 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:38:50,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:38:50,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:38:50,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:38:50,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:38:50,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 22:38:50,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:38:50,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 116 states and 184 transitions. [2023-12-02 22:38:50,661 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 184 transitions. [2023-12-02 22:38:50,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 22:38:50,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:38:50,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:38:50,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:38:50,665 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:38:50,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 22:38:51,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:38:51,005 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:38:51,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:38:51,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:38:51,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:38:51,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:38:51,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 22:38:51,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:38:51,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 116 states and 172 transitions. [2023-12-02 22:38:51,159 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 172 transitions. [2023-12-02 22:38:51,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 22:38:51,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:38:51,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:38:51,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:38:51,163 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:38:51,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 22:38:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:38:51,575 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:38:51,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:38:51,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:38:51,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:38:51,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:38:51,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 22:38:52,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:38:52,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 116 states and 156 transitions. [2023-12-02 22:38:52,657 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 156 transitions. [2023-12-02 22:38:52,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 22:38:52,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:38:52,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:38:52,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:38:52,661 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:38:52,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 22:38:53,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:38:53,268 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:38:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:38:53,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:38:53,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:38:53,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:38:53,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 22:38:53,820 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:38:54,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:38:54,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 128 states and 170 transitions. [2023-12-02 22:38:54,488 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 170 transitions. [2023-12-02 22:38:54,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 22:38:54,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:38:54,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:38:54,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:38:54,492 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:38:54,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 22:38:55,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:38:55,026 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:38:55,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:38:55,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:38:55,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:38:55,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:38:55,369 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:38:55,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 22:38:55,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:38:55,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 128 states and 168 transitions. [2023-12-02 22:38:55,382 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 168 transitions. [2023-12-02 22:38:55,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 22:38:55,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:38:55,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:38:55,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:38:55,386 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:38:55,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 22:38:55,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:38:55,954 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:38:56,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:38:56,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:38:56,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:38:56,312 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:38:56,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-12-02 22:38:56,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:38:56,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 128 states and 166 transitions. [2023-12-02 22:38:56,328 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 166 transitions. [2023-12-02 22:38:56,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 22:38:56,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:38:56,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:38:56,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:38:56,331 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:38:56,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 22:38:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:38:56,890 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:38:57,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:38:57,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:38:57,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:38:57,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:38:57,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 22:38:57,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:38:57,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 131 states and 168 transitions. [2023-12-02 22:38:57,455 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 168 transitions. [2023-12-02 22:38:57,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:38:57,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:38:57,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:38:57,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:38:57,458 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:38:57,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 22:38:58,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:38:58,199 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:38:58,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:38:58,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:38:58,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:38:59,010 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 22:38:59,018 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:38:59,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 22:39:01,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:39:02,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:39:02,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 174 states and 219 transitions. [2023-12-02 22:39:02,833 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 219 transitions. [2023-12-02 22:39:02,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 22:39:02,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:39:02,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:39:02,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:39:02,835 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:39:02,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 22:39:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:03,587 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:39:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:03,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:39:03,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:39:03,966 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 22:39:03,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 22:39:03,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:39:03,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 174 states and 217 transitions. [2023-12-02 22:39:03,988 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 217 transitions. [2023-12-02 22:39:03,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 22:39:03,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:39:03,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:39:03,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:39:03,990 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:39:03,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 22:39:04,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:04,773 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:39:05,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:05,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:39:05,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:39:05,183 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 22:39:05,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 22:39:05,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:39:05,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 174 states and 215 transitions. [2023-12-02 22:39:05,208 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 215 transitions. [2023-12-02 22:39:05,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-02 22:39:05,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:39:05,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:39:05,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:39:05,209 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:39:05,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 22:39:06,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:06,106 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:39:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:06,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:39:06,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:39:07,007 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:39:07,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-02 22:39:07,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:39:07,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 177 states and 217 transitions. [2023-12-02 22:39:07,063 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 217 transitions. [2023-12-02 22:39:07,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-02 22:39:07,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:39:07,064 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:39:07,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:39:07,065 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:39:07,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 22:39:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:08,074 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:39:08,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:08,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:39:08,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:39:08,999 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:39:09,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 22:39:09,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:39:09,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 180 states and 219 transitions. [2023-12-02 22:39:09,061 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 219 transitions. [2023-12-02 22:39:09,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-02 22:39:09,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:39:09,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:39:09,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:39:09,063 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:39:09,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 22:39:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:09,942 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:39:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:10,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:39:10,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:39:10,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 22:39:10,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-02 22:39:20,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:39:20,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:39:20,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 180 states and 217 transitions. [2023-12-02 22:39:20,432 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 217 transitions. [2023-12-02 22:39:20,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-02 22:39:20,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:39:20,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:39:20,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:39:20,435 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:39:20,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 22:39:21,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:21,549 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:39:22,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:22,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:39:22,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:39:22,091 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 22:39:22,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-02 22:39:22,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:39:22,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:39:22,121 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:39:22,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:39:22,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:39:22,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:39:22,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:39:22,123 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:39:22,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 22:39:23,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:23,217 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:39:23,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:23,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:39:23,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:39:23,809 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:39:23,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-02 22:39:23,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:39:23,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:39:23,984 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:39:23,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:39:23,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:39:23,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:39:23,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:39:23,986 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:39:23,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 22:39:25,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:25,195 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:39:25,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:25,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:39:25,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:39:25,685 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:39:25,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-02 22:39:25,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:39:25,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:39:25,716 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:39:25,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:39:25,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:39:25,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:39:25,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:39:25,718 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:39:25,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 22:39:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:27,171 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:39:27,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:27,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:39:27,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:39:27,728 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:39:27,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-02 22:39:27,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:39:27,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:39:27,760 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:39:27,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:39:27,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:39:27,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:39:27,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:39:27,762 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:39:27,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-02 22:39:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:29,096 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:39:29,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:29,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:39:29,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:39:29,579 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:39:29,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-02 22:39:29,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:39:29,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:39:29,609 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:39:29,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:39:29,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:39:29,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:39:29,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:39:29,611 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:39:29,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 22:39:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:31,054 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:39:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:31,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:39:31,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:39:31,568 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:39:31,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-02 22:39:31,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:39:31,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:39:31,607 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:39:31,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:39:31,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:39:31,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:39:31,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:39:31,609 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:39:31,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-02 22:39:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:33,157 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:39:33,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:33,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:39:33,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:39:33,644 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:39:33,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-02 22:39:33,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:39:33,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:39:33,679 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:39:33,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:39:33,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:39:33,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:39:33,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:39:33,681 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:39:33,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-02 22:39:35,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:35,185 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:39:35,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:35,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:39:35,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:39:35,694 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:39:35,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2023-12-02 22:39:35,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:39:35,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:39:35,731 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:39:35,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:39:35,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:39:35,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:39:35,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:39:35,733 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:39:35,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-02 22:39:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:37,177 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:39:37,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:37,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:39:37,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:39:37,649 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:39:37,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2023-12-02 22:39:37,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:39:37,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:39:37,687 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:39:37,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:39:37,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:39:37,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:39:37,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:39:37,689 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:39:37,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-02 22:39:39,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:39,262 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:39:39,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:39,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:39:39,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:39:39,788 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:39:39,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-02 22:39:39,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:39:39,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:39:39,838 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:39:39,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:39:39,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:39:39,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:39:39,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:39:39,840 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:39:39,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-02 22:39:41,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:41,646 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:39:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:42,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:39:42,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:39:42,176 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:39:42,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-02 22:39:42,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:39:42,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:39:42,217 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:39:42,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:39:42,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:39:42,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:39:42,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:39:42,219 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:39:42,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-02 22:39:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:43,928 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:39:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:44,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:39:44,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:39:44,429 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:39:44,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-02 22:39:44,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:39:44,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:39:44,468 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:39:44,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:39:44,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:39:44,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:39:44,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:39:44,470 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:39:44,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-02 22:39:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:46,174 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:39:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:46,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:39:46,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:39:46,641 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:39:46,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-02 22:39:46,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:39:46,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:39:46,688 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:39:46,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:39:46,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:39:46,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:39:46,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:39:46,691 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:39:46,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-02 22:39:48,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:48,554 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:39:48,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:49,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:39:49,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:39:49,050 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:39:49,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-02 22:39:49,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:39:49,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:39:49,092 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:39:49,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:39:49,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:39:49,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:39:49,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:39:49,094 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:39:49,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-02 22:39:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:51,013 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:39:51,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:51,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:39:51,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:39:51,578 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:39:51,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-02 22:39:51,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:39:51,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:39:51,622 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:39:51,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:39:51,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:39:51,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:39:51,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:39:51,624 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:39:51,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-02 22:39:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:53,739 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:39:54,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:54,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:39:54,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:39:54,257 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:39:54,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-02 22:39:54,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:39:54,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:39:54,302 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:39:54,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:39:54,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:39:54,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:39:54,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:39:54,304 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:39:54,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-02 22:39:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:56,445 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:39:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:56,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:39:56,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:39:56,967 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:39:57,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-02 22:39:57,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:39:57,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:39:57,013 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:39:57,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:39:57,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:39:57,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:39:57,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:39:57,015 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:39:57,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-02 22:39:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:59,152 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:39:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:59,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:39:59,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:39:59,624 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:39:59,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-02 22:39:59,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:39:59,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:39:59,672 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:39:59,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:39:59,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:39:59,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:39:59,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:39:59,674 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:39:59,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-02 22:40:01,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:01,816 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:02,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:40:02,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:02,293 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:40:02,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-02 22:40:02,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:02,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:40:02,342 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:40:02,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:40:02,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:02,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:02,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:02,344 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:02,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-02 22:40:04,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:04,592 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:05,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:40:05,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:05,054 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:40:05,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-02 22:40:05,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:05,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:40:05,104 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:40:05,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:40:05,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:05,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:05,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:05,106 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:05,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-02 22:40:07,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:07,441 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:07,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:07,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:40:07,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:07,917 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:40:07,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2023-12-02 22:40:07,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:07,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:40:07,969 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:40:07,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:40:07,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:07,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:07,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:07,971 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:07,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-02 22:40:10,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:10,403 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:10,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:10,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:40:10,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:10,858 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:40:10,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-02 22:40:10,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:10,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:40:10,892 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:40:10,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:40:10,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:10,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:10,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:10,893 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:10,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-02 22:40:13,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:13,482 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:13,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:40:13,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:13,955 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:40:13,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-02 22:40:13,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:13,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:40:13,992 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:40:13,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:40:13,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:13,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:13,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:13,995 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:13,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-02 22:40:16,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:16,373 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:16,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:16,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:40:16,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:16,882 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:40:16,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-02 22:40:16,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:16,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:40:16,918 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:40:16,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:40:16,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:16,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:16,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:16,920 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:16,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-02 22:40:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:19,382 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:19,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:40:19,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:19,872 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:40:19,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-02 22:40:19,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:19,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:40:19,908 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:40:19,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:40:19,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:19,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:19,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:19,909 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:19,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-02 22:40:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:22,684 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:23,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:23,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:40:23,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:23,206 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:40:23,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-02 22:40:23,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:23,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:40:23,244 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:40:23,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:40:23,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:23,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:23,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:23,246 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:23,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-02 22:40:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:25,960 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:26,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:26,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:40:26,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:26,478 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:40:26,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-02 22:40:26,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:26,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:40:26,517 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:40:26,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:40:26,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:26,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:26,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:26,519 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:26,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-02 22:40:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:29,414 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:29,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:29,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:40:29,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:29,907 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:40:29,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-02 22:40:29,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:29,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:40:29,946 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:40:29,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:40:29,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:29,947 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:29,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:29,948 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:29,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-02 22:40:32,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:32,820 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:33,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:33,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:40:33,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:33,318 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:40:33,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-02 22:40:33,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:33,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:40:33,356 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:40:33,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:40:33,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:33,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:33,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:33,358 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:33,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-02 22:40:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:36,190 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:36,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:40:36,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:36,701 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:40:36,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-02 22:40:36,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:36,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:40:36,741 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:40:36,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:40:36,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:36,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:36,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:36,742 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:36,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-02 22:40:39,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:39,674 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:40,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:40:40,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:40,152 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:40:40,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-02 22:40:40,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:40,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:40:40,195 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:40:40,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:40:40,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:40,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:40,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:40,197 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:40,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-02 22:40:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:43,404 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:43,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:43,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:40:43,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:43,913 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:40:43,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-02 22:40:43,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:43,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:40:43,956 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:40:43,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:40:43,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:43,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:43,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:43,958 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:43,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-02 22:40:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:46,897 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:47,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:47,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:40:47,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:47,355 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:40:47,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-02 22:40:47,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:47,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:40:47,423 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:40:47,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:40:47,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:47,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:47,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:47,425 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:47,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-02 22:40:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:50,725 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:51,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:40:51,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:51,230 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:40:51,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-02 22:40:51,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:51,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:40:51,271 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:40:51,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:40:51,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:51,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:51,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:51,272 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:51,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-02 22:40:54,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:54,539 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:55,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:55,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:40:55,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:55,050 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:40:55,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-02 22:40:55,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:55,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:40:55,092 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:40:55,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:40:55,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:55,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:55,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:55,094 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:55,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-02 22:40:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:58,378 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:58,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:40:58,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:58,895 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:40:58,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-02 22:40:58,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:58,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:40:58,940 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:40:58,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:40:58,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:58,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:58,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:58,942 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:58,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-02 22:41:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:01,896 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:02,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:41:02,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:02,413 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:41:02,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-02 22:41:02,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:02,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:41:02,484 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:41:02,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:41:02,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:02,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:02,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:02,485 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:02,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-02 22:41:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:05,541 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:06,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:41:06,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:06,064 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:41:06,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Forceful destruction successful, exit code 0 [2023-12-02 22:41:06,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:06,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:41:06,111 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:41:06,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:41:06,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:06,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:06,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:06,113 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:06,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-02 22:41:09,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:09,407 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:09,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:09,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:41:09,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:09,913 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:41:09,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-02 22:41:09,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:09,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:41:09,958 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:41:09,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:41:09,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:09,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:09,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:09,960 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:09,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-02 22:41:13,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:13,367 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:13,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:41:13,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:13,854 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:41:13,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-02 22:41:13,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:13,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:41:13,899 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:41:13,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:41:13,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:13,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:13,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:13,901 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:13,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-02 22:41:17,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:17,482 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:18,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:41:18,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:18,031 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:41:18,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-02 22:41:18,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:18,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:41:18,078 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:41:18,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:41:18,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:18,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:18,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:18,079 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:18,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-02 22:41:21,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:21,741 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:22,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:41:22,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:22,226 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:41:22,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-02 22:41:22,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:22,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:41:22,272 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:41:22,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:41:22,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:22,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:22,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:22,274 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:22,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-02 22:41:25,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:25,538 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:26,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:41:26,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:26,018 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:41:26,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-02 22:41:26,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:26,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:41:26,066 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:41:26,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:41:26,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:26,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:26,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:26,067 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:26,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-02 22:41:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:29,834 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:30,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:30,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:41:30,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:30,347 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:41:30,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-02 22:41:30,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:30,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:41:30,395 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:41:30,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:41:30,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:30,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:30,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:30,396 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:30,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-02 22:41:34,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:34,283 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:34,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:41:34,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:34,789 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:41:34,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-02 22:41:34,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:34,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:41:34,837 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:41:34,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:41:34,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:34,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:34,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:34,839 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:34,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-02 22:41:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:38,415 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:38,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:41:38,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:38,917 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:41:38,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-02 22:41:38,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:38,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:41:38,968 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:41:38,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:41:38,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:38,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:38,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:38,969 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:38,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-02 22:41:43,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:43,033 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:43,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:41:43,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:43,570 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:41:43,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-02 22:41:43,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:43,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:41:43,621 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:41:43,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:41:43,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:43,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:43,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:43,623 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:43,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-02 22:41:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:47,531 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:47,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:48,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:41:48,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:48,022 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:41:48,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-02 22:41:48,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:48,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:41:48,073 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:41:48,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:41:48,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:48,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:48,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:48,075 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:48,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-02 22:41:51,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:51,945 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:52,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:41:52,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:52,420 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:41:52,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-02 22:41:52,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:52,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:41:52,472 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:41:52,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:41:52,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:52,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:52,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:52,473 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:52,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-02 22:41:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:56,508 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:56,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:56,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:41:56,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:56,988 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:41:57,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-02 22:41:57,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:57,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:41:57,039 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:41:57,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:41:57,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:57,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:57,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:57,041 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:57,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-02 22:42:01,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:01,141 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:01,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:01,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:42:01,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:01,634 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:42:01,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-02 22:42:01,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:01,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:42:01,686 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:42:01,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:42:01,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:01,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:01,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:01,688 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:01,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-02 22:42:05,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:05,815 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:06,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:42:06,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:06,329 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:42:06,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Forceful destruction successful, exit code 0 [2023-12-02 22:42:06,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:06,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:42:06,383 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:42:06,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:42:06,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:06,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:06,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:06,385 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:06,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-02 22:42:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:10,868 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:11,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:42:11,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:11,378 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:42:11,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-02 22:42:11,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:11,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:42:11,432 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:42:11,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:42:11,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:11,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:11,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:11,433 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:11,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-02 22:42:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:15,492 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:15,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:15,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:42:15,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:15,975 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:42:16,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-02 22:42:16,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:16,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:42:16,029 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:42:16,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:42:16,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:16,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:16,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:16,031 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:16,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-02 22:42:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:20,374 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:20,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:20,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:42:20,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:20,875 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:42:20,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-02 22:42:20,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:20,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:42:20,928 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:42:20,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:42:20,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:20,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:20,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:20,930 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:20,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-02 22:42:25,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:25,767 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:26,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:42:26,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:26,287 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:42:26,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-02 22:42:26,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:26,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:42:26,344 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:42:26,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:42:26,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:26,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:26,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:26,346 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:26,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-02 22:42:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:31,015 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:31,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:42:31,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:31,533 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:42:31,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-02 22:42:31,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:31,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:42:31,593 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:42:31,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:42:31,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:31,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:31,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:31,595 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:31,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-02 22:42:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:36,171 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:36,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:42:36,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:36,673 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:42:36,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-02 22:42:36,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:36,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:42:36,732 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:42:36,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:42:36,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:36,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:36,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:36,733 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:36,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-02 22:42:41,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:41,346 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:41,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:42:41,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:41,844 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:42:41,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-02 22:42:41,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:41,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:42:41,898 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:42:41,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:42:41,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:41,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:41,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:41,899 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:41,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-02 22:42:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:46,569 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:47,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:47,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:42:47,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:47,074 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:42:47,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-02 22:42:47,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:47,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:42:47,133 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:42:47,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:42:47,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:47,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:47,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:47,134 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:47,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-02 22:42:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:52,065 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:52,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:52,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:42:52,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:52,564 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:42:52,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-02 22:42:52,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:52,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:42:52,622 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:42:52,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:42:52,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:52,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:52,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:52,624 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:52,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-02 22:42:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:58,014 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:58,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:58,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:42:58,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:58,517 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:42:58,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-02 22:42:58,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:58,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:42:58,575 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:42:58,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:42:58,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:58,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:58,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:58,577 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:58,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-02 22:43:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:03,626 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:04,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:43:04,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:04,139 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:43:04,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-02 22:43:04,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:04,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:43:04,201 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:43:04,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:43:04,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:04,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:04,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:04,202 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:04,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-02 22:43:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:08,981 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:09,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:09,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:43:09,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:09,461 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:43:09,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-02 22:43:09,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:09,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:43:09,524 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:43:09,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:43:09,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:09,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:09,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:09,525 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:09,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-02 22:43:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:14,320 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:14,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:14,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:43:14,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:14,819 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:43:14,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-02 22:43:14,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:14,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:43:14,881 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:43:14,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:43:14,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:14,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:14,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:14,882 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:14,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-02 22:43:20,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:20,175 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:20,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:43:20,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:20,665 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:43:20,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-02 22:43:20,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:20,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:43:20,728 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:43:20,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:43:20,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:20,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:20,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:20,730 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:20,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-02 22:43:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:26,043 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:26,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:26,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:43:26,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:26,573 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:43:26,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-02 22:43:26,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:26,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:43:26,636 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:43:26,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:43:26,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:26,637 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:26,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:26,639 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:26,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-02 22:43:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:32,049 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:32,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:43:32,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:32,534 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:43:32,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-02 22:43:32,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:32,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:43:32,599 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:43:32,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:43:32,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:32,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:32,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:32,600 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:32,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-02 22:43:37,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:37,906 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:38,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:43:38,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:38,421 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:43:38,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-02 22:43:38,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:38,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:43:38,486 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:43:38,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:43:38,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:38,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:38,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:38,487 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:38,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-02 22:43:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:43,938 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:44,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:43:44,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:44,419 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:43:44,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-02 22:43:44,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:44,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:43:44,485 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:43:44,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:43:44,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:44,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:44,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:44,487 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:44,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-02 22:43:49,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:49,794 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:50,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:50,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:43:50,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:50,309 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:43:50,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-02 22:43:50,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:50,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:43:50,378 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:43:50,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:43:50,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:50,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:50,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:50,379 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:50,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-02 22:43:56,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:56,038 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:56,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:43:56,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:56,561 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:43:56,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-02 22:43:56,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:56,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:43:56,627 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:43:56,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:43:56,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:56,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:56,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:56,629 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:56,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-02 22:44:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:02,053 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:02,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:02,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:44:02,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:02,530 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:44:02,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-02 22:44:02,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:02,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:44:02,598 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:44:02,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:44:02,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:02,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:02,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:02,600 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:02,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-02 22:44:08,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:08,084 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:08,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:08,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:44:08,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:08,611 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:44:08,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-02 22:44:08,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:08,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:44:08,677 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:44:08,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:44:08,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:08,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:08,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:08,679 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:08,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-02 22:44:13,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:13,327 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:13,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:13,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:44:13,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:13,819 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:44:13,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Forceful destruction successful, exit code 0 [2023-12-02 22:44:13,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:13,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:44:13,887 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:44:13,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:44:13,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:13,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:13,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:13,888 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:13,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-02 22:44:19,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:19,016 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:19,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:44:19,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:19,486 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:44:19,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-02 22:44:19,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:19,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:44:19,554 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:44:19,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:44:19,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:19,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:19,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:19,555 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:19,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-02 22:44:24,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:24,862 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:25,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:44:25,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:25,341 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:44:25,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-02 22:44:25,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:25,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:44:25,410 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:44:25,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:44:25,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:25,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:25,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:25,412 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:25,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-02 22:44:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:30,989 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:31,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:44:31,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:31,493 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:44:31,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-02 22:44:31,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:31,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:44:31,562 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:44:31,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:44:31,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:31,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:31,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:31,563 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:31,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-02 22:44:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:37,369 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:37,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:37,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:44:37,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:37,888 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:44:37,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-02 22:44:37,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:37,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:44:37,960 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:44:37,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:44:37,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:37,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:37,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:37,962 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:37,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-02 22:44:43,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:43,563 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:44,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:44:44,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:44,087 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:44:44,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-02 22:44:44,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:44,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:44:44,158 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:44:44,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:44:44,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:44,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:44,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:44,160 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:44,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-02 22:44:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:49,933 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:50,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:44:50,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:50,386 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:44:50,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-02 22:44:50,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:50,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:44:50,457 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:44:50,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:44:50,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:50,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:50,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:50,458 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:50,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-02 22:44:56,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:56,304 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:56,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:44:56,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:56,841 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:44:56,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-02 22:44:56,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:56,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:44:56,914 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:44:56,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:44:56,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:56,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:56,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:56,915 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:56,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-02 22:45:02,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:02,997 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:03,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:45:03,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:03,531 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:45:03,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-02 22:45:03,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:03,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:45:03,605 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:45:03,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:45:03,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:03,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:03,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:03,606 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:03,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-02 22:45:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:09,837 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:10,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:10,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:45:10,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:10,345 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:45:10,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-02 22:45:10,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:10,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:45:10,420 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:45:10,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:45:10,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:10,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:10,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:10,421 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:10,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-02 22:45:16,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:16,737 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:17,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:45:17,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:17,225 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:45:17,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-02 22:45:17,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:17,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:45:17,299 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:45:17,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:45:17,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:17,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:17,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:17,300 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:17,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-02 22:45:23,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:23,838 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:24,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:24,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:45:24,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:24,380 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:45:24,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-02 22:45:24,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:24,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:45:24,453 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:45:24,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:45:24,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:24,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:24,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:24,455 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:24,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-02 22:45:30,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:30,532 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:30,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:30,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:45:30,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:31,005 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:45:31,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-02 22:45:31,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:31,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:45:31,085 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:45:31,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:45:31,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:31,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:31,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:31,087 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:31,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-02 22:45:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:37,333 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:37,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:37,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:45:37,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:37,796 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:45:37,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-02 22:45:37,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:37,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:45:37,871 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:45:37,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:45:37,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:37,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:37,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:37,873 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:37,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-02 22:45:44,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:44,389 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:44,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:44,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:45:44,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:44,897 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:45:44,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-02 22:45:44,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:44,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:45:44,972 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:45:44,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:45:44,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:44,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:44,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:44,974 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:44,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-02 22:45:51,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:51,630 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:52,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:52,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:45:52,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:52,175 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:45:52,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-02 22:45:52,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:52,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:45:52,253 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:45:52,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:45:52,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:52,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:52,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:52,254 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:52,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-02 22:45:58,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:58,878 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:59,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:59,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:45:59,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:59,367 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:45:59,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-02 22:45:59,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:59,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:45:59,445 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:45:59,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:45:59,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:59,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:59,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:59,447 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:59,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-02 22:46:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:06,200 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:06,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:06,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:46:06,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:06,675 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:46:06,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-02 22:46:06,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:06,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:46:06,753 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:46:06,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:46:06,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:06,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:06,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:06,755 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:06,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-02 22:46:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:13,601 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:14,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:14,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:46:14,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:14,165 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:46:14,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-02 22:46:14,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:14,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:46:14,244 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:46:14,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:46:14,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:14,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:14,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:14,246 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:14,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-02 22:46:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:20,816 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:21,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:21,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:46:21,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:21,338 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:46:21,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-02 22:46:21,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:21,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:46:21,416 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:46:21,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:46:21,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:21,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:21,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:21,418 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:21,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-02 22:46:28,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:28,442 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:28,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:28,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:46:28,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:28,982 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:46:29,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-02 22:46:29,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:29,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:46:29,063 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:46:29,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:46:29,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:29,063 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:29,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:29,064 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:29,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-02 22:46:35,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:35,868 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:36,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:46:36,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:36,409 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:46:36,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-02 22:46:36,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:36,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:46:36,490 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:46:36,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:46:36,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:36,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:36,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:36,491 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:36,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-02 22:46:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:43,345 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:43,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:43,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:46:43,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:43,877 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:46:43,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-02 22:46:43,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:43,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:46:43,956 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:46:43,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:46:43,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:43,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:43,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:43,957 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:43,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-02 22:46:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:50,909 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:51,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:46:51,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:51,460 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:46:51,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2023-12-02 22:46:51,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:51,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 216 transitions. [2023-12-02 22:46:51,543 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 216 transitions. [2023-12-02 22:46:51,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:46:51,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:51,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:51,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:51,544 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:51,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176bb5dd-1295-4b4d-a5ff-100ba313df28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process