./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-3.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_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/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_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/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_0f508205-8b06-4be8-880b-4d02a64e853c/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 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:27:18,368 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:27:18,431 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:27:18,436 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:27:18,436 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:27:18,459 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:27:18,460 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:27:18,460 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:27:18,461 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:27:18,462 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:27:18,462 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:27:18,463 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:27:18,463 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:27:18,464 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:27:18,464 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:27:18,465 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:27:18,465 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:27:18,466 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:27:18,466 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:27:18,467 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:27:18,468 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:27:18,471 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:27:18,472 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:27:18,472 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:27:18,473 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:27:18,473 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:27:18,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:27:18,474 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:27:18,474 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:27:18,475 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:27:18,475 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:27:18,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:27:18,476 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:27:18,476 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_0f508205-8b06-4be8-880b-4d02a64e853c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 [2023-12-03 02:27:18,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:27:18,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:27:18,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:27:18,734 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:27:18,734 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:27:18,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-3.i [2023-12-03 02:27:21,523 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:27:21,795 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:27:21,795 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-3.i [2023-12-03 02:27:21,814 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/data/c210166d1/8bf5dfbe80b44a0487ee11e3c4f04658/FLAG6de0ea514 [2023-12-03 02:27:21,829 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/data/c210166d1/8bf5dfbe80b44a0487ee11e3c4f04658 [2023-12-03 02:27:21,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:27:21,833 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:27:21,835 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:27:21,835 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:27:21,840 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:27:21,841 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:27:21" (1/1) ... [2023-12-03 02:27:21,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71c35fe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:27:21, skipping insertion in model container [2023-12-03 02:27:21,842 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:27:21" (1/1) ... [2023-12-03 02:27:21,912 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:27:22,317 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_0f508205-8b06-4be8-880b-4d02a64e853c/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-3.i[33519,33532] [2023-12-03 02:27:22,436 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:27:22,446 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:27:22,478 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_0f508205-8b06-4be8-880b-4d02a64e853c/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-3.i[33519,33532] [2023-12-03 02:27:22,541 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:27:22,579 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:27:22,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:27:22 WrapperNode [2023-12-03 02:27:22,580 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:27:22,581 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:27:22,581 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:27:22,582 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:27:22,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:27:22" (1/1) ... [2023-12-03 02:27:22,625 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:27:22" (1/1) ... [2023-12-03 02:27:22,719 INFO L138 Inliner]: procedures = 177, calls = 438, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1770 [2023-12-03 02:27:22,719 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:27:22,720 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:27:22,720 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:27:22,720 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:27:22,730 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:27:22" (1/1) ... [2023-12-03 02:27:22,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:27:22" (1/1) ... [2023-12-03 02:27:22,739 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:27:22" (1/1) ... [2023-12-03 02:27:22,740 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:27:22" (1/1) ... [2023-12-03 02:27:22,787 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:27:22" (1/1) ... [2023-12-03 02:27:22,803 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:27:22" (1/1) ... [2023-12-03 02:27:22,810 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:27:22" (1/1) ... [2023-12-03 02:27:22,818 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:27:22" (1/1) ... [2023-12-03 02:27:22,831 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:27:22,832 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:27:22,832 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:27:22,832 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:27:22,833 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:27:22" (1/1) ... [2023-12-03 02:27:22,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:27:22,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:27:22,863 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:27:22,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:27:22,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 02:27:22,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 02:27:22,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 02:27:22,902 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 02:27:22,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 02:27:22,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:27:22,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:27:22,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 02:27:22,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 02:27:22,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:27:22,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:27:22,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:27:22,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:27:23,127 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:27:23,129 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:27:24,899 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:27:26,473 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:27:26,473 INFO L309 CfgBuilder]: Removed 77 assume(true) statements. [2023-12-03 02:27:26,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:27:26 BoogieIcfgContainer [2023-12-03 02:27:26,475 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:27:26,476 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:27:26,476 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:27:26,486 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:27:26,486 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:27:26" (1/1) ... [2023-12-03 02:27:26,495 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:27:26,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:27:26,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 142 states and 242 transitions. [2023-12-03 02:27:26,553 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 242 transitions. [2023-12-03 02:27:26,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 02:27:26,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:27:26,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:27:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:26,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:27:26,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:27:26,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 144 states and 245 transitions. [2023-12-03 02:27:26,866 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 245 transitions. [2023-12-03 02:27:26,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:27:26,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:27:26,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:27:26,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:26,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:27:26,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:27:27,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:27:27,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:27:27,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 144 states and 241 transitions. [2023-12-03 02:27:27,009 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 241 transitions. [2023-12-03 02:27:27,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 02:27:27,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:27:27,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:27:27,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:27,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:27:27,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:27:27,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:27:27,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:27:27,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 144 states and 233 transitions. [2023-12-03 02:27:27,124 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 233 transitions. [2023-12-03 02:27:27,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:27:27,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:27:27,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:27:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:27,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:27:27,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:27:27,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:27:27,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:27:27,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 144 states and 221 transitions. [2023-12-03 02:27:27,303 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 221 transitions. [2023-12-03 02:27:27,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 02:27:27,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:27:27,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:27:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:27,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:27:27,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:27:27,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:27:37,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:27:47,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:27:47,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:27:47,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 144 states and 207 transitions. [2023-12-03 02:27:47,726 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 207 transitions. [2023-12-03 02:27:47,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 02:27:47,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:27:47,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:27:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:48,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:27:48,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:27:48,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:27:58,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:28:08,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:28:18,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:28:28,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:28:38,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:28:48,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:28:58,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:29:08,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:29:08,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:29:08,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 180 states and 248 transitions. [2023-12-03 02:29:08,966 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 248 transitions. [2023-12-03 02:29:08,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 02:29:08,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:29:08,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:29:09,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:09,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:29:09,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:29:09,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:29:09,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:29:09,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 180 states and 246 transitions. [2023-12-03 02:29:09,337 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 246 transitions. [2023-12-03 02:29:09,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 02:29:09,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:29:09,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:29:09,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:09,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:29:09,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:29:09,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:29:09,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:29:09,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 180 states and 244 transitions. [2023-12-03 02:29:09,701 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 244 transitions. [2023-12-03 02:29:09,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 02:29:09,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:29:09,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:29:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:10,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:29:10,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:29:10,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:29:10,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:29:10,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 180 states and 242 transitions. [2023-12-03 02:29:10,074 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 242 transitions. [2023-12-03 02:29:10,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 02:29:10,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:29:10,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:29:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:10,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:29:10,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:29:10,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:29:20,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:29:20,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:29:20,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 180 states and 240 transitions. [2023-12-03 02:29:20,488 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 240 transitions. [2023-12-03 02:29:20,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 02:29:20,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:29:20,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:29:20,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:20,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:29:20,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:29:20,875 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:29:30,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:29:30,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:29:30,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 180 states and 238 transitions. [2023-12-03 02:29:30,940 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 238 transitions. [2023-12-03 02:29:30,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 02:29:30,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:29:30,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:29:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:31,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:29:31,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:29:31,458 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:29:41,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:29:51,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:30:01,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:30:11,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:30:11,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:30:11,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 183 states and 240 transitions. [2023-12-03 02:30:11,643 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 240 transitions. [2023-12-03 02:30:11,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 02:30:11,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:30:11,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:30:12,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:30:12,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:30:12,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:30:12,179 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:30:22,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:30:32,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:30:42,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:30:52,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:30:52,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:30:52,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 186 states and 242 transitions. [2023-12-03 02:30:52,348 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 242 transitions. [2023-12-03 02:30:52,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 02:30:52,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:30:52,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:30:52,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:30:52,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:30:52,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:30:52,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:30:52,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:30:52,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 186 states and 240 transitions. [2023-12-03 02:30:52,809 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 240 transitions. [2023-12-03 02:30:52,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-03 02:30:52,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:30:52,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:30:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:30:53,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:30:53,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:30:53,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:30:53,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:30:53,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 186 states and 239 transitions. [2023-12-03 02:30:53,299 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 239 transitions. [2023-12-03 02:30:53,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:30:53,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:30:53,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:30:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:30:53,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:30:53,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:30:53,767 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 02:31:03,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:31:13,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:31:23,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:31:33,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:31:34,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:34,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 198 states and 254 transitions. [2023-12-03 02:31:34,019 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 254 transitions. [2023-12-03 02:31:34,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:31:34,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:34,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:31:34,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:34,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:31:34,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:31:34,680 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 02:31:34,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:34,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 207 states and 264 transitions. [2023-12-03 02:31:34,739 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 264 transitions. [2023-12-03 02:31:34,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 02:31:34,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:34,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:31:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:35,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:31:35,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:31:35,305 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:31:45,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:31:55,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:32:05,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:32:15,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:32:15,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:32:15,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 210 states and 266 transitions. [2023-12-03 02:32:15,496 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 266 transitions. [2023-12-03 02:32:15,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:32:15,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:32:15,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:32:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 02:32:25,918 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 02:32:25,921 INFO L158 Benchmark]: Toolchain (without parser) took 304088.09ms. Allocated memory was 148.9MB in the beginning and 291.5MB in the end (delta: 142.6MB). Free memory was 108.2MB in the beginning and 98.6MB in the end (delta: 9.6MB). Peak memory consumption was 154.3MB. Max. memory is 16.1GB. [2023-12-03 02:32:25,922 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 102.8MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:32:25,922 INFO L158 Benchmark]: CACSL2BoogieTranslator took 745.62ms. Allocated memory is still 148.9MB. Free memory was 107.7MB in the beginning and 70.9MB in the end (delta: 36.9MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-03 02:32:25,923 INFO L158 Benchmark]: Boogie Procedure Inliner took 138.34ms. Allocated memory is still 148.9MB. Free memory was 70.9MB in the beginning and 111.2MB in the end (delta: -40.3MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2023-12-03 02:32:25,923 INFO L158 Benchmark]: Boogie Preprocessor took 111.03ms. Allocated memory is still 148.9MB. Free memory was 111.2MB in the beginning and 98.4MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 02:32:25,924 INFO L158 Benchmark]: RCFGBuilder took 3642.93ms. Allocated memory was 148.9MB in the beginning and 226.5MB in the end (delta: 77.6MB). Free memory was 98.4MB in the beginning and 108.4MB in the end (delta: -9.9MB). Peak memory consumption was 121.1MB. Max. memory is 16.1GB. [2023-12-03 02:32:25,925 INFO L158 Benchmark]: CodeCheck took 299445.02ms. Allocated memory was 226.5MB in the beginning and 291.5MB in the end (delta: 65.0MB). Free memory was 108.4MB in the beginning and 98.6MB in the end (delta: 9.8MB). Peak memory consumption was 76.4MB. Max. memory is 16.1GB. [2023-12-03 02:32:25,928 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 0.19ms. Allocated memory is still 102.8MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 745.62ms. Allocated memory is still 148.9MB. Free memory was 107.7MB in the beginning and 70.9MB in the end (delta: 36.9MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 138.34ms. Allocated memory is still 148.9MB. Free memory was 70.9MB in the beginning and 111.2MB in the end (delta: -40.3MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 111.03ms. Allocated memory is still 148.9MB. Free memory was 111.2MB in the beginning and 98.4MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 3642.93ms. Allocated memory was 148.9MB in the beginning and 226.5MB in the end (delta: 77.6MB). Free memory was 98.4MB in the beginning and 108.4MB in the end (delta: -9.9MB). Peak memory consumption was 121.1MB. Max. memory is 16.1GB. * CodeCheck took 299445.02ms. Allocated memory was 226.5MB in the beginning and 291.5MB in the end (delta: 65.0MB). Free memory was 108.4MB in the beginning and 98.6MB in the end (delta: 9.8MB). Peak memory consumption was 76.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 02:32:26,138 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 02:32:26,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/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_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/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_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/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_0f508205-8b06-4be8-880b-4d02a64e853c/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 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:32:27,764 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:32:27,879 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 02:32:27,911 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:32:27,912 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:32:27,913 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:32:27,914 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:32:27,915 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:32:27,916 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:32:27,916 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:32:27,917 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:32:27,918 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:32:27,918 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:32:27,919 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:32:27,920 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:32:27,920 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:32:27,921 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:32:27,921 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:32:27,922 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:32:27,922 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:32:27,923 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:32:27,927 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:32:27,928 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:32:27,928 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:32:27,929 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:32:27,929 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:32:27,930 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:32:27,930 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:32:27,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:32:27,931 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:32:27,931 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:32:27,932 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:32:27,932 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:32:27,933 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:32:27,933 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:32:27,933 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:32:27,933 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:32:27,933 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_0f508205-8b06-4be8-880b-4d02a64e853c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 [2023-12-03 02:32:28,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:32:28,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:32:28,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:32:28,230 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:32:28,231 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:32:28,232 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-3.i [2023-12-03 02:32:31,081 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:32:31,376 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:32:31,377 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-3.i [2023-12-03 02:32:31,395 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/data/ca880c4e8/0f32c618f8244a67b1ea4d5343d675b8/FLAG88a92ccd3 [2023-12-03 02:32:31,411 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/data/ca880c4e8/0f32c618f8244a67b1ea4d5343d675b8 [2023-12-03 02:32:31,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:32:31,416 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:32:31,417 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:32:31,418 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:32:31,422 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:32:31,423 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:32:31" (1/1) ... [2023-12-03 02:32:31,425 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29beecf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:32:31, skipping insertion in model container [2023-12-03 02:32:31,425 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:32:31" (1/1) ... [2023-12-03 02:32:31,485 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:32:31,915 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_0f508205-8b06-4be8-880b-4d02a64e853c/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-3.i[33519,33532] [2023-12-03 02:32:32,055 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:32:32,066 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 02:32:32,088 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:32:32,106 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_0f508205-8b06-4be8-880b-4d02a64e853c/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-3.i[33519,33532] [2023-12-03 02:32:32,181 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:32:32,186 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:32:32,215 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_0f508205-8b06-4be8-880b-4d02a64e853c/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-3.i[33519,33532] [2023-12-03 02:32:32,289 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:32:32,329 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:32:32,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:32:32 WrapperNode [2023-12-03 02:32:32,329 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:32:32,330 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:32:32,330 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:32:32,330 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:32:32,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:32:32" (1/1) ... [2023-12-03 02:32:32,373 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:32:32" (1/1) ... [2023-12-03 02:32:32,444 INFO L138 Inliner]: procedures = 180, calls = 438, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1419 [2023-12-03 02:32:32,444 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:32:32,445 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:32:32,445 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:32:32,445 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:32:32,455 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:32:32" (1/1) ... [2023-12-03 02:32:32,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:32:32" (1/1) ... [2023-12-03 02:32:32,467 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:32:32" (1/1) ... [2023-12-03 02:32:32,467 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:32:32" (1/1) ... [2023-12-03 02:32:32,555 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:32:32" (1/1) ... [2023-12-03 02:32:32,567 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:32:32" (1/1) ... [2023-12-03 02:32:32,574 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:32:32" (1/1) ... [2023-12-03 02:32:32,582 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:32:32" (1/1) ... [2023-12-03 02:32:32,597 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:32:32,598 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:32:32,598 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:32:32,598 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:32:32,599 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:32:32" (1/1) ... [2023-12-03 02:32:32,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:32:32,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:32:32,633 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:32:32,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:32:32,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 02:32:32,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 02:32:32,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 02:32:32,673 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 02:32:32,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 02:32:32,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:32:32,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:32:32,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 02:32:32,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 02:32:32,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:32:32,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 02:32:32,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:32:32,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:32:32,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:32:32,905 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:32:32,907 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:33:03,597 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:33:04,161 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:33:04,162 INFO L309 CfgBuilder]: Removed 77 assume(true) statements. [2023-12-03 02:33:04,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:33:04 BoogieIcfgContainer [2023-12-03 02:33:04,163 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:33:04,164 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:33:04,165 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:33:04,174 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:33:04,174 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:33:04" (1/1) ... [2023-12-03 02:33:04,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:33:04,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:04,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 142 states and 242 transitions. [2023-12-03 02:33:04,258 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 242 transitions. [2023-12-03 02:33:04,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 02:33:04,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:04,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:04,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:04,284 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:04,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:33:04,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:04,644 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:04,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:33:04,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:04,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:33:04,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:33:05,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:05,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 144 states and 245 transitions. [2023-12-03 02:33:05,140 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 245 transitions. [2023-12-03 02:33:05,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:33:05,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:05,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:05,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:05,142 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:05,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:33:05,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:05,495 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:05,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:05,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:33:05,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:05,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:33:05,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 02:33:05,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:05,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 144 states and 241 transitions. [2023-12-03 02:33:05,604 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 241 transitions. [2023-12-03 02:33:05,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 02:33:05,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:05,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:05,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:05,611 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:05,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 02:33:05,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:05,976 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:06,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:06,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:33:06,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:06,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:33:06,073 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:33:06,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-03 02:33:06,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:06,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 144 states and 233 transitions. [2023-12-03 02:33:06,085 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 233 transitions. [2023-12-03 02:33:06,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:33:06,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:06,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:06,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:06,089 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:06,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 02:33:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:06,531 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:06,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:33:06,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:06,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:33:06,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 02:33:06,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:06,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 144 states and 221 transitions. [2023-12-03 02:33:06,698 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 221 transitions. [2023-12-03 02:33:06,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 02:33:06,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:06,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:06,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:06,703 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:06,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 02:33:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:07,174 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:07,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:07,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:33:07,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:07,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:33:07,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 02:33:08,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:08,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 144 states and 205 transitions. [2023-12-03 02:33:08,524 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 205 transitions. [2023-12-03 02:33:08,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 02:33:08,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:08,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:08,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:08,528 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:08,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 02:33:09,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:09,103 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:09,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:09,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:33:09,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:09,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:33:09,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 02:33:10,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:10,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 156 states and 219 transitions. [2023-12-03 02:33:10,348 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 219 transitions. [2023-12-03 02:33:10,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 02:33:10,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:10,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:10,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:10,351 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:10,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 02:33:10,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:10,943 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:11,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:11,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:33:11,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:11,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:33:11,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 02:33:11,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:11,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 156 states and 217 transitions. [2023-12-03 02:33:11,310 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 217 transitions. [2023-12-03 02:33:11,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 02:33:11,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:11,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:11,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:11,312 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:11,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 02:33:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:11,922 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:12,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:33:12,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:12,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:33:12,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 02:33:12,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:12,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 156 states and 215 transitions. [2023-12-03 02:33:12,323 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 215 transitions. [2023-12-03 02:33:12,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 02:33:12,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:12,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:12,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:12,326 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:12,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 02:33:13,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:13,009 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:13,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:13,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:33:13,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:13,634 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:33:13,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-12-03 02:33:13,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:13,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 159 states and 217 transitions. [2023-12-03 02:33:13,659 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 217 transitions. [2023-12-03 02:33:13,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:33:13,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:13,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:13,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:13,661 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:13,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 02:33:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:14,459 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:14,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:14,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:33:14,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:15,331 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 02:33:15,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 02:33:18,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:18,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 202 states and 268 transitions. [2023-12-03 02:33:18,818 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 268 transitions. [2023-12-03 02:33:18,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 02:33:18,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:18,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:18,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:18,820 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:18,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 02:33:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:19,580 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:19,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:19,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:33:19,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:19,996 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 02:33:20,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2023-12-03 02:33:20,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:20,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 202 states and 266 transitions. [2023-12-03 02:33:20,021 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 266 transitions. [2023-12-03 02:33:20,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 02:33:20,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:20,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:20,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:20,023 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:20,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 02:33:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:20,928 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:21,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:33:21,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:21,403 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 02:33:21,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 02:33:21,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:21,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 202 states and 264 transitions. [2023-12-03 02:33:21,432 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 264 transitions. [2023-12-03 02:33:21,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 02:33:21,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:21,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:21,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:21,434 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:21,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 02:33:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:22,389 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:22,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:33:22,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:23,264 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:33:23,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2023-12-03 02:33:23,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:23,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 205 states and 266 transitions. [2023-12-03 02:33:23,323 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 266 transitions. [2023-12-03 02:33:23,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 02:33:23,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:23,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:23,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:23,325 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:23,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 02:33:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:24,209 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:24,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:24,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:33:24,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:25,065 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:33:25,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 02:33:25,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:25,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 208 states and 268 transitions. [2023-12-03 02:33:25,121 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 268 transitions. [2023-12-03 02:33:25,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 02:33:25,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:25,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:25,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:25,123 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:25,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 02:33:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:26,230 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:26,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:26,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:33:26,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:26,663 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 02:33:26,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 02:33:36,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:33:36,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:36,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 208 states and 266 transitions. [2023-12-03 02:33:36,753 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 266 transitions. [2023-12-03 02:33:36,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 02:33:36,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:36,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:36,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:36,755 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:36,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 02:33:37,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:37,978 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:38,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:38,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:33:38,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:38,538 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 02:33:38,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2023-12-03 02:33:38,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:38,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:33:38,576 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:33:38,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:33:38,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:38,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:38,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:38,578 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:38,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 02:33:39,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:39,845 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:40,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:40,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:33:40,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:40,426 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:33:40,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2023-12-03 02:33:40,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:40,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:33:40,556 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:33:40,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:33:40,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:40,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:40,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:40,558 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:40,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 02:33:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:41,835 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:42,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:33:42,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:42,355 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:33:42,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 02:33:42,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:42,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:33:42,386 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:33:42,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:33:42,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:42,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:42,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:42,388 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:42,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 02:33:43,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:43,759 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:44,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:33:44,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:44,261 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:33:44,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 02:33:44,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:44,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:33:44,290 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:33:44,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:33:44,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:44,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:44,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:44,292 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:44,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 02:33:45,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:45,742 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:46,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:46,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:33:46,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:46,282 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:33:46,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 02:33:46,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:46,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:33:46,318 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:33:46,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:33:46,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:46,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:46,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:46,320 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:46,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 02:33:47,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:47,769 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:48,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:48,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:33:48,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:48,288 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:33:48,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 02:33:48,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:48,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:33:48,323 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:33:48,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:33:48,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:48,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:48,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:48,324 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:48,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 02:33:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:49,821 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:50,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:50,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:33:50,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:50,347 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:33:50,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 02:33:50,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:50,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:33:50,381 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:33:50,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:33:50,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:50,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:50,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:50,383 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:50,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 02:33:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:51,950 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:52,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:52,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:33:52,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:52,467 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:33:52,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 02:33:52,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:52,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:33:52,504 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:33:52,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:33:52,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:52,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:52,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:52,505 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:52,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 02:33:54,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:54,343 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:54,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:54,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:33:54,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:54,884 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:33:54,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 02:33:54,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:54,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:33:54,921 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:33:54,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:33:54,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:54,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:54,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:54,923 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:54,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 02:33:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:56,677 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:57,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:57,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:33:57,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:57,237 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:33:57,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 02:33:57,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:57,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:33:57,277 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:33:57,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:33:57,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:57,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:57,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:57,279 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:57,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 02:33:59,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:59,065 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:59,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:33:59,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:59,588 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:33:59,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 02:33:59,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:59,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:33:59,626 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:33:59,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:33:59,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:59,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:59,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:59,628 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:59,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 02:34:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:01,451 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:01,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:01,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:34:01,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:01,950 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:34:01,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 02:34:01,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:01,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:34:01,992 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:34:01,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:34:01,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:01,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:01,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:01,994 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:01,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 02:34:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:03,855 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:04,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:34:04,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:04,383 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:34:04,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 02:34:04,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:04,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:34:04,441 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:34:04,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:34:04,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:04,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:04,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:04,442 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:04,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 02:34:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:06,489 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:07,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:34:07,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:07,044 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:34:07,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 02:34:07,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:07,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:34:07,092 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:34:07,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:34:07,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:07,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:07,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:07,094 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:07,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 02:34:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:09,111 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:09,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:09,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:34:09,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:09,619 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:34:09,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 02:34:09,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:09,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:34:09,658 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:34:09,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:34:09,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:09,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:09,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:09,659 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:09,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 02:34:11,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:11,850 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:12,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:12,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:34:12,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:12,393 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:34:12,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 02:34:12,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:12,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:34:12,434 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:34:12,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:34:12,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:12,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:12,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:12,435 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:12,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 02:34:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:14,709 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:15,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:34:15,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:15,301 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:34:15,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 02:34:15,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:15,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:34:15,352 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:34:15,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:34:15,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:15,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:15,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:15,354 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:15,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 02:34:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:17,743 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:18,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:18,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:34:18,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:18,317 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:34:18,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 02:34:18,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:18,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:34:18,361 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:34:18,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:34:18,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:18,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:18,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:18,363 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:18,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 02:34:20,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:20,787 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:21,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:21,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:34:21,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:21,347 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:34:21,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 02:34:21,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:21,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:34:21,397 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:34:21,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:34:21,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:21,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:21,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:21,399 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:21,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 02:34:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:23,787 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:24,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:24,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:34:24,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:24,345 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:34:24,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2023-12-03 02:34:24,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:24,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:34:24,395 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:34:24,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:34:24,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:24,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:24,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:24,396 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:24,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 02:34:26,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:26,754 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:27,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:27,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:34:27,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:27,292 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:34:27,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 02:34:27,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:27,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:34:27,325 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:34:27,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:34:27,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:27,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:27,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:27,326 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:27,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 02:34:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:29,760 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:30,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:34:30,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:30,260 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:34:30,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 02:34:30,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:30,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:34:30,298 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:34:30,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:34:30,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:30,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:30,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:30,299 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:30,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 02:34:32,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:32,771 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:33,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:33,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:34:33,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:33,282 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:34:33,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 02:34:33,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:33,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:34:33,317 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:34:33,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:34:33,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:33,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:33,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:33,319 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:33,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 02:34:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:35,952 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:36,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:34:36,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:36,444 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:34:36,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 02:34:36,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:36,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:34:36,481 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:34:36,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:34:36,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:36,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:36,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:36,483 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:36,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 02:34:39,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:39,212 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:39,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:39,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:34:39,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:39,759 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:34:39,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2023-12-03 02:34:39,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:39,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:34:39,795 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:34:39,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:34:39,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:39,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:39,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:39,797 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:39,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 02:34:42,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:42,434 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:42,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:34:42,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:42,928 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:34:42,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 02:34:42,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:42,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:34:42,965 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:34:42,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:34:42,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:42,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:42,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:42,967 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:42,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 02:34:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:45,434 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:45,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:45,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:34:45,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:45,970 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:34:45,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 02:34:46,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:46,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:34:46,007 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:34:46,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:34:46,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:46,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:46,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:46,008 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:46,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 02:34:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:48,970 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:49,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:49,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:34:49,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:49,523 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:34:49,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 02:34:49,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:49,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:34:49,561 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:34:49,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:34:49,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:49,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:49,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:49,563 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:49,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 02:34:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:52,394 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:52,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:52,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:34:52,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:52,867 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:34:52,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 02:34:52,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:52,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:34:52,905 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:34:52,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:34:52,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:52,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:52,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:52,906 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:52,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 02:34:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:55,980 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:56,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:34:56,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:56,504 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:34:56,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 02:34:56,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:56,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:34:56,544 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:34:56,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:34:56,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:56,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:56,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:56,546 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:56,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 02:34:59,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:59,450 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:59,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:34:59,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:00,010 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:35:00,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 02:35:00,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:00,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:35:00,050 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:35:00,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:35:00,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:00,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:00,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:00,051 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:00,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 02:35:03,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:03,174 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:03,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:03,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:35:03,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:03,675 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:35:03,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 02:35:03,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:03,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:35:03,751 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:35:03,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:35:03,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:03,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:03,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:03,753 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:03,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 02:35:06,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:06,949 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:07,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:07,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:35:07,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:07,502 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:35:07,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 02:35:07,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:07,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:35:07,545 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:35:07,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:35:07,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:07,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:07,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:07,546 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:07,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 02:35:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:10,865 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:11,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:11,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:35:11,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:11,406 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:35:11,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 02:35:11,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:11,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:35:11,448 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:35:11,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:35:11,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:11,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:11,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:11,450 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:11,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 02:35:14,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:14,834 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:15,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:35:15,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:15,348 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:35:15,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 02:35:15,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:15,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:35:15,390 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:35:15,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:35:15,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:15,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:15,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:15,391 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:15,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 02:35:18,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:18,784 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:19,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:35:19,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:19,301 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:35:19,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2023-12-03 02:35:19,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:19,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:35:19,342 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:35:19,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:35:19,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:19,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:19,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:19,343 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:19,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 02:35:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:22,808 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:23,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:23,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:35:23,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:23,306 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:35:23,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 02:35:23,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:23,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:35:23,348 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:35:23,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:35:23,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:23,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:23,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:23,349 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:23,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 02:35:26,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:26,872 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:27,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:35:27,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:27,394 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:35:27,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 02:35:27,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:27,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:35:27,437 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:35:27,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:35:27,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:27,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:27,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:27,438 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:27,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 02:35:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:31,046 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:31,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:31,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:35:31,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:31,662 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:35:31,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 02:35:31,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:31,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:35:31,706 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:35:31,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:35:31,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:31,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:31,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:31,707 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:31,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 02:35:35,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:35,409 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:35,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:35:35,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:35,948 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:35:35,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 02:35:35,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:35,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:35:35,992 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:35:35,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:35:35,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:35,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:35,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:35,994 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:35,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 02:35:39,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:39,773 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:40,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:40,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:35:40,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:40,249 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:35:40,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 02:35:40,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:40,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:35:40,294 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:35:40,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:35:40,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:40,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:40,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:40,296 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:40,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 02:35:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:44,131 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:44,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:35:44,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:44,714 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:35:44,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 02:35:44,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:44,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:35:44,760 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:35:44,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:35:44,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:44,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:44,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:44,762 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:44,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 02:35:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:48,440 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:48,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:35:48,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:48,974 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:35:49,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 02:35:49,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:49,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:35:49,020 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:35:49,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:35:49,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:49,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:49,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:49,021 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:49,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 02:35:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:52,652 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:53,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:35:53,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:53,166 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:35:53,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 02:35:53,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:53,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:35:53,212 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:35:53,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:35:53,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:53,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:53,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:53,214 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:53,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 02:35:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:57,151 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:57,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:35:57,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:57,654 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:35:57,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0 [2023-12-03 02:35:57,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:57,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:35:57,700 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:35:57,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:35:57,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:57,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:57,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:57,702 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:57,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 02:36:01,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:01,614 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:02,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:36:02,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:02,149 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:36:02,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 02:36:02,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:02,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:36:02,197 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:36:02,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:36:02,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:02,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:02,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:02,198 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:02,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 02:36:06,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:06,244 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:06,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:06,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:36:06,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:06,749 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:36:06,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 02:36:06,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:06,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:36:06,797 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:36:06,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:36:06,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:06,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:06,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:06,799 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:06,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 02:36:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:10,638 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:11,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:11,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:36:11,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:11,138 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:36:11,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 02:36:11,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:11,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:36:11,188 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:36:11,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:36:11,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:11,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:11,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:11,189 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:11,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 02:36:15,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:15,513 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:16,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:36:16,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:16,032 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:36:16,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 02:36:16,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:16,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:36:16,083 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:36:16,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:36:16,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:16,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:16,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:16,084 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:16,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 02:36:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:20,108 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:20,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:20,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:36:20,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:20,605 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:36:20,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 02:36:20,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:20,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:36:20,656 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:36:20,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:36:20,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:20,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:20,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:20,658 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:20,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 02:36:24,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:24,499 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:25,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:36:25,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:25,019 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:36:25,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-03 02:36:25,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:25,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:36:25,070 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:36:25,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:36:25,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:25,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:25,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:25,072 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:25,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 02:36:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:29,121 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:29,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:36:29,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:29,659 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:36:29,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 02:36:29,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:29,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:36:29,710 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:36:29,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:36:29,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:29,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:29,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:29,711 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:29,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 02:36:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:33,806 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:34,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:36:34,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:34,330 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:36:34,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 02:36:34,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:34,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:36:34,386 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:36:34,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:36:34,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:34,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:34,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:34,387 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:34,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 02:36:38,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:38,279 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:38,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:38,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:36:38,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:38,754 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:36:38,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 02:36:38,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:38,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:36:38,807 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:36:38,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:36:38,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:38,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:38,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:38,808 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:38,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 02:36:43,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:43,289 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:43,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:43,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:36:43,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:43,810 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:36:43,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 02:36:43,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:43,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:36:43,864 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:36:43,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:36:43,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:43,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:43,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:43,866 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:43,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 02:36:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:48,216 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:48,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:48,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:36:48,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:48,739 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:36:48,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-03 02:36:48,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:48,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:36:48,794 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:36:48,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:36:48,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:48,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:48,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:48,795 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:48,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 02:36:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:53,462 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:53,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:53,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:36:53,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:53,994 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:36:54,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 02:36:54,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:54,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:36:54,049 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:36:54,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:36:54,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:54,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:54,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:54,051 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:54,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 02:36:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:58,623 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:59,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:59,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:36:59,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:59,181 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:36:59,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-03 02:36:59,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:59,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:36:59,238 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:36:59,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:36:59,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:59,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:59,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:59,239 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:59,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 02:37:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:04,161 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:04,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:04,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:37:04,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:04,646 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:37:04,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-03 02:37:04,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:04,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:37:04,702 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:37:04,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:37:04,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:04,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:04,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:04,703 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:04,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 02:37:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:09,478 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:09,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:10,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:37:10,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:10,038 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:37:10,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-03 02:37:10,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:10,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:37:10,094 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:37:10,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:37:10,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:10,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:10,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:10,096 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:10,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 02:37:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:14,942 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:15,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:15,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:37:15,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:15,487 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:37:15,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Forceful destruction successful, exit code 0 [2023-12-03 02:37:15,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:15,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:37:15,549 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:37:15,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:37:15,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:15,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:15,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:15,551 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:15,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 02:37:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:20,515 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:20,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:37:20,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:20,979 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:37:21,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-03 02:37:21,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:21,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:37:21,037 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:37:21,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:37:21,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:21,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:21,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:21,038 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:21,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 02:37:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:25,739 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:26,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:37:26,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:26,308 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:37:26,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-03 02:37:26,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:26,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:37:26,369 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:37:26,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:37:26,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:26,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:26,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:26,370 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:26,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 02:37:31,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:31,617 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:32,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:37:32,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:32,108 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:37:32,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-03 02:37:32,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:32,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:37:32,170 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:37:32,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:37:32,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:32,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:32,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:32,171 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:32,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 02:37:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:37,269 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:37,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:37:37,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:37,813 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:37:37,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-03 02:37:37,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:37,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:37:37,875 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:37:37,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:37:37,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:37,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:37,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:37,876 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:37,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 02:37:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:43,215 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:43,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:43,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:37:43,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:43,732 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:37:43,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Forceful destruction successful, exit code 0 [2023-12-03 02:37:43,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:43,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:37:43,794 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:37:43,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:37:43,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:43,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:43,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:43,795 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:43,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 02:37:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:48,788 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:49,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:37:49,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:49,301 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:37:49,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-03 02:37:49,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:49,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:37:49,362 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:37:49,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:37:49,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:49,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:49,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:49,363 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:49,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 02:37:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:54,222 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:54,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:54,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:37:54,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:54,703 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:37:54,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-03 02:37:54,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:54,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:37:54,763 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:37:54,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:37:54,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:54,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:54,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:54,765 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:54,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 02:37:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:59,978 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:00,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:38:00,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:00,539 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:38:00,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-03 02:38:00,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:00,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:38:00,603 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:38:00,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:38:00,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:00,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:00,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:00,604 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:00,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 02:38:05,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:05,430 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:05,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:05,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:38:05,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:05,932 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:38:05,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-03 02:38:05,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:05,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:38:05,996 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:38:05,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:38:05,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:05,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:05,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:05,997 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:05,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 02:38:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:11,524 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:12,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:38:12,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:12,047 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:38:12,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-03 02:38:12,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:12,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:38:12,113 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:38:12,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:38:12,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:12,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:12,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:12,115 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:12,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 02:38:17,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:17,755 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:18,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:38:18,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:18,282 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:38:18,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-03 02:38:18,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:18,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:38:18,347 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:38:18,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:38:18,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:18,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:18,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:18,348 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:18,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-03 02:38:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:23,437 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:23,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:38:23,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:23,988 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:38:24,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-03 02:38:24,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:24,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:38:24,053 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:38:24,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:38:24,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:24,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:24,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:24,054 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:24,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-03 02:38:28,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:28,846 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:29,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:38:29,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:29,377 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:38:29,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-03 02:38:29,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:29,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:38:29,441 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:38:29,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:38:29,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:29,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:29,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:29,442 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:29,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-03 02:38:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:35,036 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:35,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:35,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:38:35,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:35,598 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:38:35,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-03 02:38:35,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:35,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:38:35,664 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:38:35,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:38:35,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:35,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:35,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:35,665 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:35,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-03 02:38:40,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:40,453 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:40,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:40,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:38:40,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:40,963 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:38:41,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-03 02:38:41,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:41,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:38:41,031 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:38:41,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:38:41,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:41,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:41,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:41,032 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:41,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-03 02:38:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:46,659 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:47,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:38:47,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:47,162 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:38:47,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-03 02:38:47,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:47,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:38:47,230 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:38:47,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:38:47,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:47,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:47,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:47,231 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:47,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-03 02:38:53,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:53,494 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:53,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:53,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:38:53,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:53,981 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:38:54,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-03 02:38:54,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:54,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:38:54,049 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:38:54,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:38:54,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:54,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:54,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:54,051 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:54,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-03 02:39:00,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:00,143 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:00,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:39:00,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:00,637 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:39:00,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-03 02:39:00,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:00,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:39:00,706 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:39:00,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:39:00,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:00,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:00,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:00,707 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:00,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-03 02:39:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:06,514 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:06,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:07,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:39:07,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:07,016 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:39:07,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-03 02:39:07,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:07,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:39:07,086 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:39:07,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:39:07,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:07,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:07,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:07,088 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:07,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-03 02:39:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:13,186 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:13,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:13,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:39:13,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:13,668 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:39:13,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-03 02:39:13,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:13,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:39:13,738 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:39:13,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:39:13,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:13,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:13,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:13,739 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:13,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-03 02:39:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:19,882 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:20,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:39:20,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:20,428 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:39:20,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-03 02:39:20,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:20,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:39:20,499 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:39:20,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:39:20,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:20,499 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:20,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:20,500 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:20,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-03 02:39:25,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:25,791 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:26,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:26,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:39:26,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:26,290 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:39:26,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-03 02:39:26,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:26,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:39:26,361 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:39:26,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:39:26,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:26,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:26,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:26,363 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:26,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-03 02:39:32,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:32,514 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:32,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:32,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:39:32,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:33,002 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:39:33,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-03 02:39:33,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:33,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:39:33,074 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:39:33,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:39:33,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:33,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:33,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:33,075 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:33,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-03 02:39:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:39,292 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:39,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:39,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:39:39,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:39,765 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:39:39,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-03 02:39:39,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:39,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:39:39,837 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:39:39,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:39:39,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:39,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:39,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:39,838 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:39,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-03 02:39:46,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:46,027 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:46,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:46,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:39:46,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:46,540 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:39:46,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-03 02:39:46,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:46,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:39:46,614 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:39:46,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:39:46,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:46,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:46,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:46,615 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:46,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-03 02:39:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:53,267 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:53,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:39:53,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:53,840 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:39:53,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-03 02:39:53,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:53,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:39:53,913 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:39:53,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:39:53,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:53,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:53,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:53,914 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:53,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-03 02:40:00,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:00,549 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:40:01,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:01,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:40:01,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:01,066 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:40:01,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-03 02:40:01,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:01,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:40:01,138 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:40:01,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:40:01,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:01,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:40:01,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:40:01,139 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:40:01,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-03 02:40:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:07,757 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:40:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:08,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:40:08,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:08,284 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:40:08,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-03 02:40:08,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:08,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:40:08,360 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:40:08,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:40:08,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:08,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:40:08,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:40:08,361 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:40:08,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-03 02:40:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:14,187 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:40:14,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:14,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:40:14,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:14,702 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:40:14,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-03 02:40:14,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:14,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:40:14,777 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:40:14,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:40:14,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:14,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:40:14,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:40:14,778 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:40:14,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-03 02:40:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:21,645 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:40:22,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:22,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:40:22,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:22,156 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:40:22,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-03 02:40:22,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:22,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:40:22,233 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:40:22,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:40:22,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:22,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:40:22,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:40:22,235 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:40:22,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-03 02:40:28,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:28,917 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:40:29,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:29,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:40:29,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:29,454 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:40:29,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-03 02:40:29,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:29,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:40:29,533 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:40:29,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:40:29,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:29,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:40:29,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:40:29,534 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:40:29,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-03 02:40:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:36,268 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:40:36,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:36,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:40:36,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:36,794 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:40:36,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-03 02:40:36,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:36,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:40:36,872 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:40:36,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:40:36,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:36,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:40:36,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:40:36,873 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:40:36,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-03 02:40:43,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:43,518 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:40:43,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:43,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:40:43,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:44,007 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:40:44,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-03 02:40:44,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:44,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:40:44,082 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:40:44,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:40:44,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:44,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:40:44,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:40:44,083 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:40:44,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-03 02:40:51,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:51,522 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:40:51,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:52,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:40:52,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:52,028 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:40:52,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-03 02:40:52,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:52,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:40:52,107 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:40:52,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:40:52,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:52,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:40:52,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:40:52,109 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:40:52,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-03 02:40:59,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:59,094 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:40:59,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:59,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:40:59,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:59,573 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:40:59,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-03 02:40:59,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:59,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:40:59,652 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:40:59,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:40:59,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:59,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:40:59,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:40:59,653 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:40:59,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-03 02:41:06,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:06,395 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:41:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:06,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:41:06,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:06,888 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:41:06,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-03 02:41:06,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:06,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 02:41:06,967 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 02:41:06,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:41:06,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:06,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:41:06,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:41:06,968 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:41:06,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f508205-8b06-4be8-880b-4d02a64e853c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process