./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound50.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b --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 5b0ae54926d75c04421ee4ea5930c958fb8ba0ccacc4d56435da8ae7b298172d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:38:54,674 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:38:54,732 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:38:54,736 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:38:54,737 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:38:54,757 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:38:54,758 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:38:54,758 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:38:54,759 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:38:54,759 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:38:54,759 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:38:54,759 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:38:54,759 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:38:54,759 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:38:54,759 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:38:54,759 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:38:54,759 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:38:54,760 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:38:54,760 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:38:54,760 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:38:54,760 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:38:54,760 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:38:54,760 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:38:54,760 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:38:54,760 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:38:54,760 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:38:54,760 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:38:54,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:38:54,761 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:38:54,761 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:38:54,761 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:38:54,761 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:38:54,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:38:54,761 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b 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 -> 5b0ae54926d75c04421ee4ea5930c958fb8ba0ccacc4d56435da8ae7b298172d [2024-12-06 02:38:54,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:38:55,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:38:55,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:38:55,010 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:38:55,011 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:38:55,012 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound50.i [2024-12-06 02:38:57,717 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/data/cec0576e3/2e1cb18b5b08448fa6ace198ec1ef3b8/FLAGb6385edce [2024-12-06 02:38:57,927 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:38:57,928 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound50.i [2024-12-06 02:38:57,935 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/data/cec0576e3/2e1cb18b5b08448fa6ace198ec1ef3b8/FLAGb6385edce [2024-12-06 02:38:58,260 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/data/cec0576e3/2e1cb18b5b08448fa6ace198ec1ef3b8 [2024-12-06 02:38:58,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:38:58,263 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:38:58,264 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:38:58,264 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:38:58,267 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:38:58,267 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:38:58" (1/1) ... [2024-12-06 02:38:58,268 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cb573bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:38:58, skipping insertion in model container [2024-12-06 02:38:58,268 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:38:58" (1/1) ... [2024-12-06 02:38:58,279 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:38:58,384 WARN L250 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_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound50.i[951,964] [2024-12-06 02:38:58,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:38:58,403 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:38:58,412 WARN L250 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_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound50.i[951,964] [2024-12-06 02:38:58,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:38:58,427 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:38:58,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:38:58 WrapperNode [2024-12-06 02:38:58,428 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:38:58,429 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:38:58,429 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:38:58,429 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:38:58,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:38:58" (1/1) ... [2024-12-06 02:38:58,439 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:38:58" (1/1) ... [2024-12-06 02:38:58,450 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49 [2024-12-06 02:38:58,450 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:38:58,451 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:38:58,451 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:38:58,451 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:38:58,455 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:38:58" (1/1) ... [2024-12-06 02:38:58,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:38:58" (1/1) ... [2024-12-06 02:38:58,456 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:38:58" (1/1) ... [2024-12-06 02:38:58,456 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:38:58" (1/1) ... [2024-12-06 02:38:58,458 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:38:58" (1/1) ... [2024-12-06 02:38:58,459 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:38:58" (1/1) ... [2024-12-06 02:38:58,461 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:38:58" (1/1) ... [2024-12-06 02:38:58,462 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:38:58" (1/1) ... [2024-12-06 02:38:58,462 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:38:58" (1/1) ... [2024-12-06 02:38:58,463 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:38:58,464 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:38:58,464 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:38:58,464 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:38:58,465 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:38:58" (1/1) ... [2024-12-06 02:38:58,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:38:58,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:38:58,493 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:38:58,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:38:58,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:38:58,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:38:58,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:38:58,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:38:58,519 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 02:38:58,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 02:38:58,572 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:38:58,574 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:38:58,681 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 02:38:58,681 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:38:58,713 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:38:58,714 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 02:38:58,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:38:58 BoogieIcfgContainer [2024-12-06 02:38:58,714 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:38:58,715 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:38:58,715 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:38:58,722 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:38:58,722 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:38:58" (1/1) ... [2024-12-06 02:38:58,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:38:58,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:38:58,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2024-12-06 02:38:58,775 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2024-12-06 02:38:58,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:38:58,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:38:58,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:38:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:38:58,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:38:58,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:38:58,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-12-06 02:38:58,900 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-12-06 02:38:58,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 02:38:58,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:38:58,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:38:58,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:38:58,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:38:59,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:38:59,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-12-06 02:38:59,035 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-12-06 02:38:59,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 02:38:59,036 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:38:59,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:38:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:38:59,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:38:59,082 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 02:38:59,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:38:59,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:38:59,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:38:59,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 41 transitions. [2024-12-06 02:38:59,460 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2024-12-06 02:38:59,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 02:38:59,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:38:59,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:38:59,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:38:59,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:38:59,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:38:59,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2024-12-06 02:38:59,971 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2024-12-06 02:38:59,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 02:38:59,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:38:59,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:38:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:00,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:39:00,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:00,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2024-12-06 02:39:00,185 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2024-12-06 02:39:00,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 02:39:00,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:00,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:39:00,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:00,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 02:39:00,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:39:00,284 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 02:39:00,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:00,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-12-06 02:39:00,504 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-12-06 02:39:00,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 02:39:00,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:00,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:00,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:00,625 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:39:01,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:01,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2024-12-06 02:39:01,079 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2024-12-06 02:39:01,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 02:39:01,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:01,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:01,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:01,176 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:39:01,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:01,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 67 transitions. [2024-12-06 02:39:01,359 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2024-12-06 02:39:01,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:39:01,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:01,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:01,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:39:02,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:02,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 40 states and 67 transitions. [2024-12-06 02:39:02,131 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 67 transitions. [2024-12-06 02:39:02,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:39:02,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:02,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:39:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:02,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 02:39:02,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:39:02,309 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-06 02:39:02,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:02,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 68 transitions. [2024-12-06 02:39:02,662 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2024-12-06 02:39:02,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 02:39:02,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:02,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:02,915 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:39:04,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:04,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 49 states and 86 transitions. [2024-12-06 02:39:04,282 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 86 transitions. [2024-12-06 02:39:04,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 02:39:04,283 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:04,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:04,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:04,442 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:39:05,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:05,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 52 states and 97 transitions. [2024-12-06 02:39:05,066 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 97 transitions. [2024-12-06 02:39:05,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 02:39:05,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:05,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:39:05,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:05,101 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 02:39:05,102 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:39:05,168 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-06 02:39:05,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:05,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 54 states and 98 transitions. [2024-12-06 02:39:05,462 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 98 transitions. [2024-12-06 02:39:05,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 02:39:05,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:05,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:39:05,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:05,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 02:39:05,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:39:06,041 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:39:08,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:08,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 64 states and 125 transitions. [2024-12-06 02:39:08,332 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 125 transitions. [2024-12-06 02:39:08,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 02:39:08,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:08,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:08,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:39:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:08,383 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 02:39:08,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:39:08,718 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:39:11,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:11,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 71 states and 144 transitions. [2024-12-06 02:39:11,281 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 144 transitions. [2024-12-06 02:39:11,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 02:39:11,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:11,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:39:11,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:11,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 02:39:11,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:39:11,539 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:39:12,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:12,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 74 states and 154 transitions. [2024-12-06 02:39:12,641 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 154 transitions. [2024-12-06 02:39:12,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 02:39:12,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:12,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:12,877 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:39:13,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:13,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 77 states and 169 transitions. [2024-12-06 02:39:13,783 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 169 transitions. [2024-12-06 02:39:13,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 02:39:13,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:13,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:13,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:39:13,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:13,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 02:39:13,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:39:13,879 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-06 02:39:14,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:14,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 79 states and 170 transitions. [2024-12-06 02:39:14,273 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 170 transitions. [2024-12-06 02:39:14,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 02:39:14,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:14,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:14,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:39:14,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:14,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 02:39:14,324 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:39:15,114 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:39:19,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:19,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 89 states and 199 transitions. [2024-12-06 02:39:19,305 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 199 transitions. [2024-12-06 02:39:19,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 02:39:19,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:19,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:19,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:39:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:19,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-06 02:39:19,349 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:39:19,885 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:39:20,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:20,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 91 states and 201 transitions. [2024-12-06 02:39:20,956 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 201 transitions. [2024-12-06 02:39:20,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 02:39:20,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:20,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:20,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:39:21,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:21,007 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 02:39:21,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:39:21,304 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:39:24,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:24,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 99 states and 224 transitions. [2024-12-06 02:39:24,542 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 224 transitions. [2024-12-06 02:39:24,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 02:39:24,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:24,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:24,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:39:24,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:24,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 02:39:24,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:39:24,740 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:39:25,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:25,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 101 states and 226 transitions. [2024-12-06 02:39:25,347 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 226 transitions. [2024-12-06 02:39:25,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 02:39:25,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:25,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:25,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:39:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:25,407 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-06 02:39:25,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:39:25,655 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:39:26,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:26,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 104 states and 237 transitions. [2024-12-06 02:39:26,744 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 237 transitions. [2024-12-06 02:39:26,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 02:39:26,744 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:26,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:26,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:27,050 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:39:28,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:28,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 107 states and 257 transitions. [2024-12-06 02:39:28,339 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 257 transitions. [2024-12-06 02:39:28,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 02:39:28,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:28,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:39:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:28,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 02:39:28,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:39:28,442 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-12-06 02:39:29,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:29,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 109 states and 258 transitions. [2024-12-06 02:39:29,079 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 258 transitions. [2024-12-06 02:39:29,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:39:29,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:29,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:39:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:29,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 02:39:29,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:39:29,940 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:39:35,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:35,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 119 states and 288 transitions. [2024-12-06 02:39:35,176 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 288 transitions. [2024-12-06 02:39:35,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:39:35,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:35,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:35,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:39:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:35,249 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 02:39:35,250 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:39:35,380 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:39:37,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:37,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 124 states and 304 transitions. [2024-12-06 02:39:37,785 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 304 transitions. [2024-12-06 02:39:37,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:39:37,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:37,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:39:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:37,836 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-06 02:39:37,838 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:39:38,317 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:39:41,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:41,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 129 states and 315 transitions. [2024-12-06 02:39:41,259 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 315 transitions. [2024-12-06 02:39:41,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:39:41,260 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:41,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:41,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:39:41,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:41,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-06 02:39:41,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:39:41,472 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:39:42,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:42,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 131 states and 317 transitions. [2024-12-06 02:39:42,254 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 317 transitions. [2024-12-06 02:39:42,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:39:42,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:42,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:39:42,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:42,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 02:39:42,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:39:42,738 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:39:47,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:47,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 139 states and 338 transitions. [2024-12-06 02:39:47,237 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 338 transitions. [2024-12-06 02:39:47,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 02:39:47,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:47,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:47,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:48,298 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:39:55,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:55,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 143 states and 348 transitions. [2024-12-06 02:39:55,580 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 348 transitions. [2024-12-06 02:39:55,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 02:39:55,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:55,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:55,840 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:39:56,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:56,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 145 states and 350 transitions. [2024-12-06 02:39:56,951 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 350 transitions. [2024-12-06 02:39:56,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:39:56,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:56,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:56,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:57,366 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:39:59,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:59,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 148 states and 376 transitions. [2024-12-06 02:39:59,170 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 376 transitions. [2024-12-06 02:39:59,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 02:39:59,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:59,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:59,363 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:40:01,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:40:01,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 151 states and 387 transitions. [2024-12-06 02:40:01,088 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 387 transitions. [2024-12-06 02:40:01,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 02:40:01,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:40:01,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:40:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:40:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:40:01,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 02:40:01,120 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:40:01,183 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-12-06 02:40:01,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:40:01,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 153 states and 388 transitions. [2024-12-06 02:40:01,908 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 388 transitions. [2024-12-06 02:40:01,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 02:40:01,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:40:01,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:40:01,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:40:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:40:01,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-06 02:40:01,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:40:02,989 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:40:30,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:40:35,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:40:35,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 163 states and 418 transitions. [2024-12-06 02:40:35,079 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 418 transitions. [2024-12-06 02:40:35,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 02:40:35,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:40:35,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:40:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:40:35,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:40:35,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 02:40:35,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:40:35,806 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:41:05,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:41:05,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 172 states and 436 transitions. [2024-12-06 02:41:05,947 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 436 transitions. [2024-12-06 02:41:05,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 02:41:05,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:41:05,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:41:05,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:41:06,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:41:06,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 02:41:06,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:41:06,428 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:41:08,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:41:08,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 174 states and 439 transitions. [2024-12-06 02:41:08,500 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 439 transitions. [2024-12-06 02:41:08,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 02:41:08,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:41:08,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:41:08,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:41:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:41:08,535 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 02:41:08,536 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:41:08,703 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:41:11,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:41:11,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 177 states and 449 transitions. [2024-12-06 02:41:11,308 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 449 transitions. [2024-12-06 02:41:11,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 02:41:11,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:41:11,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:41:11,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:41:11,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:41:11,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-06 02:41:11,353 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:41:11,539 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:41:13,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:41:13,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 179 states and 452 transitions. [2024-12-06 02:41:13,569 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 452 transitions. [2024-12-06 02:41:13,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 02:41:13,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:41:13,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:41:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:41:13,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:41:13,603 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 02:41:13,604 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:41:21,583 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:42:13,356 WARN L286 SmtUtils]: Spent 5.31s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:42:58,056 WARN L286 SmtUtils]: Spent 11.56s on a formula simplification. DAG size of input: 69 DAG size of output: 34 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:43:37,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:43:37,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 187 states and 485 transitions. [2024-12-06 02:43:37,707 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 485 transitions. [2024-12-06 02:43:37,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 02:43:37,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:43:37,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:43:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:43:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:43:37,746 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-06 02:43:37,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:43:38,384 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:43:39,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:43:39,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 188 states and 491 transitions. [2024-12-06 02:43:39,928 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 491 transitions. [2024-12-06 02:43:39,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 02:43:39,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:43:39,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:43:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:43:40,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:43:40,007 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 02:43:40,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:43:41,427 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 1 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:43:44,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:43:44,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 190 states and 494 transitions. [2024-12-06 02:43:44,982 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 494 transitions. [2024-12-06 02:43:44,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 02:43:44,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:43:44,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:43:44,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:43:45,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:43:45,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-06 02:43:45,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:43:45,520 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:43:47,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:43:47,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 191 states and 499 transitions. [2024-12-06 02:43:47,054 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 499 transitions. [2024-12-06 02:43:47,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 02:43:47,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:43:47,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:43:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:43:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:43:47,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-06 02:43:47,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:43:48,383 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:44:37,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-06 02:44:43,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:44:43,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 199 states and 520 transitions. [2024-12-06 02:44:43,653 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 520 transitions. [2024-12-06 02:44:43,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 02:44:43,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:44:43,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:44:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:44:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:44:43,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-06 02:44:43,926 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:44:46,233 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:44:53,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:44:53,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 204 states and 536 transitions. [2024-12-06 02:44:53,443 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 536 transitions. [2024-12-06 02:44:53,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 02:44:53,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:44:53,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:44:53,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:44:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:44:53,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 02:44:53,622 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:44:54,470 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:44:58,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:44:58,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 206 states and 538 transitions. [2024-12-06 02:44:58,407 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 538 transitions. [2024-12-06 02:44:58,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 02:44:58,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:44:58,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:44:58,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:44:59,953 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:45:07,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:45:07,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 209 states and 573 transitions. [2024-12-06 02:45:07,026 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 573 transitions. [2024-12-06 02:45:07,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 02:45:07,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:45:07,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:45:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:45:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:45:07,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 02:45:07,066 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:45:07,142 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-06 02:45:11,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:45:11,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 211 states and 574 transitions. [2024-12-06 02:45:11,711 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 574 transitions. [2024-12-06 02:45:11,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 02:45:11,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:45:11,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:45:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:45:11,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:45:11,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 02:45:11,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:45:14,931 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 1 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:45:29,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:45:29,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 216 states and 591 transitions. [2024-12-06 02:45:29,953 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 591 transitions. [2024-12-06 02:45:29,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 02:45:29,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:45:29,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:45:29,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:45:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:45:30,048 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 02:45:30,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:45:30,277 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 1 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:45:34,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:45:34,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 218 states and 594 transitions. [2024-12-06 02:45:34,390 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 594 transitions. [2024-12-06 02:45:34,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 02:45:34,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:45:34,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:45:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:45:34,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:45:34,449 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 02:45:34,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:45:34,654 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:45:45,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:45:45,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 223 states and 608 transitions. [2024-12-06 02:45:45,688 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 608 transitions. [2024-12-06 02:45:45,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 02:45:45,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:45:45,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:45:45,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:45:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:45:45,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-06 02:45:45,782 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:45:46,731 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:46:17,684 WARN L286 SmtUtils]: Spent 10.65s on a formula simplification that was a NOOP. DAG size: 76 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:46:54,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:46:54,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 233 states and 633 transitions. [2024-12-06 02:46:54,174 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 633 transitions. [2024-12-06 02:46:54,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 02:46:54,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:46:54,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:46:54,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:46:54,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:46:54,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 02:46:54,229 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:46:54,881 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 1 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:46:56,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:46:56,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 234 states and 640 transitions. [2024-12-06 02:46:56,870 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 640 transitions. [2024-12-06 02:46:56,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 02:46:56,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:46:56,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:46:56,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:46:56,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:46:56,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 02:46:56,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:46:57,881 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:47:01,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:47:01,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 236 states and 643 transitions. [2024-12-06 02:47:01,087 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 643 transitions. [2024-12-06 02:47:01,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 02:47:01,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:47:01,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:47:01,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:47:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:01,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 02:47:01,144 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:47:02,626 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:47:05,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:47:05,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 237 states and 649 transitions. [2024-12-06 02:47:05,067 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 649 transitions. [2024-12-06 02:47:05,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 02:47:05,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:47:05,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:47:05,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:47:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:05,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 02:47:05,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:47:07,005 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:47:11,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:47:11,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 239 states and 652 transitions. [2024-12-06 02:47:11,150 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 652 transitions. [2024-12-06 02:47:11,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 02:47:11,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:47:11,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:47:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:47:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:11,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-06 02:47:11,201 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:47:11,392 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 1 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:47:13,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:47:13,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 240 states and 657 transitions. [2024-12-06 02:47:13,316 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 657 transitions. [2024-12-06 02:47:13,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 02:47:13,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:47:13,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:47:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:47:23,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:47:23,630 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:485) 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) [2024-12-06 02:47:23,634 INFO L158 Benchmark]: Toolchain (without parser) took 505370.78ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 118.2MB in the beginning and 79.3MB in the end (delta: 39.0MB). Peak memory consumption was 220.4MB. Max. memory is 16.1GB. [2024-12-06 02:47:23,634 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:47:23,634 INFO L158 Benchmark]: CACSL2BoogieTranslator took 164.68ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 106.9MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:47:23,634 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.55ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 105.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:47:23,634 INFO L158 Benchmark]: Boogie Preprocessor took 12.85ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 105.0MB in the end (delta: 785.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:47:23,635 INFO L158 Benchmark]: RCFGBuilder took 250.10ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 93.1MB in the end (delta: 11.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:47:23,635 INFO L158 Benchmark]: CodeCheck took 504918.00ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 92.9MB in the beginning and 79.3MB in the end (delta: 13.7MB). Peak memory consumption was 195.2MB. Max. memory is 16.1GB. [2024-12-06 02:47:23,637 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:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 164.68ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 106.9MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.55ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 105.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 12.85ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 105.0MB in the end (delta: 785.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 250.10ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 93.1MB in the end (delta: 11.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 504918.00ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 92.9MB in the beginning and 79.3MB in the end (delta: 13.7MB). Peak memory consumption was 195.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 02:47:23,843 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 02:47:23,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b --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 5b0ae54926d75c04421ee4ea5930c958fb8ba0ccacc4d56435da8ae7b298172d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:47:25,586 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:47:25,664 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 02:47:25,687 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:47:25,688 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:47:25,688 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:47:25,688 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:47:25,688 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:47:25,689 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:47:25,689 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:47:25,689 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:47:25,689 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:47:25,689 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:47:25,689 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:47:25,689 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:47:25,689 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:47:25,689 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:47:25,689 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:47:25,690 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:47:25,690 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:47:25,690 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:47:25,690 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:47:25,690 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:47:25,690 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:47:25,690 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:47:25,690 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:47:25,690 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:47:25,690 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:47:25,691 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:47:25,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:47:25,691 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:47:25,691 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:47:25,691 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:47:25,692 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:47:25,692 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:47:25,692 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:47:25,692 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b 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 -> 5b0ae54926d75c04421ee4ea5930c958fb8ba0ccacc4d56435da8ae7b298172d [2024-12-06 02:47:25,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:47:25,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:47:25,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:47:25,933 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:47:25,933 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:47:25,935 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound50.i [2024-12-06 02:47:28,534 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/data/5805db186/02800dd89f9443f0b0fe2b30bd82fd8b/FLAG7747ce0bb [2024-12-06 02:47:28,753 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:47:28,754 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound50.i [2024-12-06 02:47:28,760 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/data/5805db186/02800dd89f9443f0b0fe2b30bd82fd8b/FLAG7747ce0bb [2024-12-06 02:47:29,110 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/data/5805db186/02800dd89f9443f0b0fe2b30bd82fd8b [2024-12-06 02:47:29,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:47:29,114 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:47:29,115 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:47:29,115 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:47:29,119 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:47:29,120 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:47:29" (1/1) ... [2024-12-06 02:47:29,120 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f93aede and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:47:29, skipping insertion in model container [2024-12-06 02:47:29,120 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:47:29" (1/1) ... [2024-12-06 02:47:29,133 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:47:29,267 WARN L250 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_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound50.i[951,964] [2024-12-06 02:47:29,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:47:29,293 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:47:29,304 WARN L250 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_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound50.i[951,964] [2024-12-06 02:47:29,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:47:29,322 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:47:29,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:47:29 WrapperNode [2024-12-06 02:47:29,322 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:47:29,323 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:47:29,323 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:47:29,323 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:47:29,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:47:29" (1/1) ... [2024-12-06 02:47:29,334 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:47:29" (1/1) ... [2024-12-06 02:47:29,347 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49 [2024-12-06 02:47:29,348 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:47:29,348 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:47:29,348 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:47:29,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:47:29,354 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:47:29" (1/1) ... [2024-12-06 02:47:29,354 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:47:29" (1/1) ... [2024-12-06 02:47:29,356 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:47:29" (1/1) ... [2024-12-06 02:47:29,356 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:47:29" (1/1) ... [2024-12-06 02:47:29,359 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:47:29" (1/1) ... [2024-12-06 02:47:29,360 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:47:29" (1/1) ... [2024-12-06 02:47:29,363 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:47:29" (1/1) ... [2024-12-06 02:47:29,364 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:47:29" (1/1) ... [2024-12-06 02:47:29,365 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:47:29" (1/1) ... [2024-12-06 02:47:29,366 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:47:29,367 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:47:29,367 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:47:29,367 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:47:29,368 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:47:29" (1/1) ... [2024-12-06 02:47:29,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:47:29,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:47:29,398 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:47:29,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:47:29,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:47:29,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 02:47:29,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:47:29,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:47:29,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 02:47:29,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 02:47:29,486 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:47:29,488 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:47:29,612 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 02:47:29,613 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:47:29,648 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:47:29,648 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 02:47:29,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:47:29 BoogieIcfgContainer [2024-12-06 02:47:29,649 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:47:29,650 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:47:29,650 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:47:29,659 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:47:29,660 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:47:29" (1/1) ... [2024-12-06 02:47:29,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:47:29,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:47:29,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2024-12-06 02:47:29,718 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2024-12-06 02:47:29,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:47:29,720 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:47:29,720 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:47:29,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:47:29,723 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:47:29,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:47:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:29,800 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:47:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:29,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 02:47:29,829 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:47:29,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:47:29,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:47:29,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:47:29,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-12-06 02:47:29,870 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-12-06 02:47:29,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 02:47:29,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:47:29,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:47:29,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:47:29,874 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:47:29,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 02:47:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:29,946 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:47:29,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:29,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 02:47:29,970 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:47:30,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:47:30,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 02:47:30,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:47:30,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-12-06 02:47:30,059 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-12-06 02:47:30,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 02:47:30,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:47:30,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:47:30,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:47:30,061 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:47:30,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 02:47:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:30,140 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:47:30,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:30,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 02:47:30,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:47:30,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:47:30,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 02:47:30,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:47:30,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 41 transitions. [2024-12-06 02:47:30,865 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2024-12-06 02:47:30,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 02:47:30,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:47:30,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:47:30,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:47:30,871 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:47:30,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 02:47:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:30,944 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:47:30,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:30,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 02:47:30,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:47:31,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:47:31,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 02:47:31,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:47:31,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2024-12-06 02:47:31,780 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2024-12-06 02:47:31,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 02:47:31,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:47:31,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:47:31,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:47:31,782 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:47:31,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 02:47:31,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:31,837 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:47:31,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:31,859 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:47:31,860 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:47:31,922 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:47:31,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 02:47:32,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:47:32,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2024-12-06 02:47:32,093 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2024-12-06 02:47:32,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 02:47:32,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:47:32,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:47:32,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:47:32,095 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:47:32,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 02:47:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:32,150 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:47:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:32,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 02:47:32,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:47:32,399 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:47:32,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 02:47:33,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:47:33,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 69 transitions. [2024-12-06 02:47:33,151 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 69 transitions. [2024-12-06 02:47:33,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 02:47:33,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:47:33,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:47:33,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:47:33,153 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:47:33,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 02:47:33,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:33,229 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:47:33,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:33,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 02:47:33,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:47:33,369 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:47:33,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 02:47:33,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:47:33,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 39 states and 72 transitions. [2024-12-06 02:47:33,410 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 72 transitions. [2024-12-06 02:47:33,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 02:47:33,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:47:33,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:47:33,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:47:33,413 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:47:33,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 02:47:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:33,469 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:47:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:33,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 02:47:33,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:47:33,599 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:47:33,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 02:47:34,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:47:34,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 42 states and 84 transitions. [2024-12-06 02:47:34,330 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 84 transitions. [2024-12-06 02:47:34,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:47:34,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:47:34,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:47:34,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:47:34,333 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:47:34,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 02:47:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:34,388 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:47:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:34,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 02:47:34,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:47:35,118 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:47:35,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 02:47:37,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:47:37,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 46 states and 94 transitions. [2024-12-06 02:47:37,463 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 94 transitions. [2024-12-06 02:47:37,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:47:37,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:47:37,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:47:37,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:47:37,466 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:47:37,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 02:47:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:37,521 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:47:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:37,535 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 02:47:37,536 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:47:37,863 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:47:37,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 02:47:39,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:47:39,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 52 states and 113 transitions. [2024-12-06 02:47:39,124 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 113 transitions. [2024-12-06 02:47:39,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 02:47:39,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:47:39,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:47:39,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:47:39,127 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:47:39,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 02:47:39,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:39,165 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:47:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:39,183 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 02:47:39,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:47:39,289 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:47:39,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 02:47:43,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:47:43,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 57 states and 129 transitions. [2024-12-06 02:47:43,558 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 129 transitions. [2024-12-06 02:47:43,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 02:47:43,559 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:47:43,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:47:43,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:47:43,560 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:47:43,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 02:47:43,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:43,617 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:47:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:43,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 02:47:43,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:47:43,954 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:47:43,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 02:47:45,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:47:45,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 60 states and 146 transitions. [2024-12-06 02:47:45,251 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 146 transitions. [2024-12-06 02:47:45,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 02:47:45,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:47:45,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:47:45,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:47:45,253 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:47:45,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 02:47:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:45,326 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:47:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:45,346 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 02:47:45,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:47:45,814 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:47:45,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 02:47:47,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:47:47,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 66 states and 168 transitions. [2024-12-06 02:47:47,884 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 168 transitions. [2024-12-06 02:47:47,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 02:47:47,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:47:47,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:47:47,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:47:47,887 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:47:47,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 02:47:47,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:47,960 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:47:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:47,984 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 02:47:47,985 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:47:48,287 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:47:48,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 02:47:50,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:47:50,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 70 states and 179 transitions. [2024-12-06 02:47:50,890 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 179 transitions. [2024-12-06 02:47:50,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 02:47:50,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:47:50,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:47:50,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:47:50,893 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:47:50,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 02:47:50,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:50,962 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:47:50,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:50,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 02:47:50,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:47:51,209 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:47:51,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 02:47:52,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:47:52,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 73 states and 195 transitions. [2024-12-06 02:47:52,788 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 195 transitions. [2024-12-06 02:47:52,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 02:47:52,789 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:47:52,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:47:52,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:47:52,791 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:47:52,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 02:47:52,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:52,869 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:47:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:52,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 02:47:52,889 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:47:53,391 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:47:53,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 02:47:55,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:47:55,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 79 states and 219 transitions. [2024-12-06 02:47:55,740 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 219 transitions. [2024-12-06 02:47:55,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 02:47:55,741 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:47:55,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:47:55,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:47:55,742 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:47:55,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 02:47:55,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:55,817 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:47:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:55,839 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 02:47:55,840 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:47:56,165 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:47:56,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 02:47:59,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:47:59,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 83 states and 230 transitions. [2024-12-06 02:47:59,333 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 230 transitions. [2024-12-06 02:47:59,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 02:47:59,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:47:59,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:47:59,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:47:59,336 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:47:59,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 02:47:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:59,410 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:47:59,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:59,432 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 02:47:59,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:47:59,718 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:47:59,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 02:48:00,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:48:00,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 86 states and 255 transitions. [2024-12-06 02:48:00,997 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 255 transitions. [2024-12-06 02:48:00,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 02:48:00,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:48:00,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:48:00,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:48:00,999 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:48:01,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 02:48:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:48:01,069 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:48:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:48:01,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 02:48:01,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:48:01,688 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:48:01,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 02:48:04,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:48:04,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 92 states and 281 transitions. [2024-12-06 02:48:04,675 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 281 transitions. [2024-12-06 02:48:04,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:48:04,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:48:04,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:48:04,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:48:04,678 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:48:04,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 02:48:04,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:48:04,762 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:48:04,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:48:04,790 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 02:48:04,791 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:48:05,223 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:48:05,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 02:48:09,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:48:09,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 96 states and 292 transitions. [2024-12-06 02:48:09,134 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 292 transitions. [2024-12-06 02:48:09,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:48:09,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:48:09,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:48:09,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:48:09,137 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:48:09,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 02:48:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:48:09,230 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:48:09,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:48:09,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 02:48:09,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:48:09,578 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:48:09,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 02:48:11,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:48:11,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 99 states and 313 transitions. [2024-12-06 02:48:11,641 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 313 transitions. [2024-12-06 02:48:11,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 02:48:11,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:48:11,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:48:11,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:48:11,643 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:48:11,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 02:48:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:48:11,679 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:48:11,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:48:11,705 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:48:11,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:48:12,025 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:48:12,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 02:48:16,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:48:16,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 109 states and 341 transitions. [2024-12-06 02:48:16,079 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 341 transitions. [2024-12-06 02:48:16,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 02:48:16,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:48:16,080 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:48:16,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:48:16,081 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:48:16,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 02:48:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:48:16,155 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:48:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:48:16,180 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 02:48:16,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:48:17,029 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:48:17,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 02:48:24,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:48:24,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 115 states and 369 transitions. [2024-12-06 02:48:24,569 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 369 transitions. [2024-12-06 02:48:24,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 02:48:24,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:48:24,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:48:24,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:48:24,571 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:48:24,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 02:48:24,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:48:24,653 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:48:24,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:48:24,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 02:48:24,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:48:25,133 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 1 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:48:25,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 02:48:29,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:48:29,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 119 states and 380 transitions. [2024-12-06 02:48:29,981 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 380 transitions. [2024-12-06 02:48:29,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 02:48:29,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:48:29,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:48:29,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:48:29,983 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:48:29,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 02:48:30,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:48:30,050 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:48:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:48:30,069 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 02:48:30,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:48:30,509 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:48:30,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 02:48:32,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:48:32,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 122 states and 413 transitions. [2024-12-06 02:48:32,629 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 413 transitions. [2024-12-06 02:48:32,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 02:48:32,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:48:32,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:48:32,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:48:32,632 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:48:32,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 02:48:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:48:32,728 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:48:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:48:32,757 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-06 02:48:32,758 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:48:33,659 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:48:33,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 02:48:39,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:48:39,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 126 states and 424 transitions. [2024-12-06 02:48:39,342 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 424 transitions. [2024-12-06 02:48:39,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 02:48:39,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:48:39,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:48:39,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:48:39,353 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:48:39,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 02:48:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:48:39,434 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:48:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:48:39,453 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 02:48:39,454 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:48:40,420 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:48:40,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 02:48:45,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:48:45,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 132 states and 454 transitions. [2024-12-06 02:48:45,114 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 454 transitions. [2024-12-06 02:48:45,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 02:48:45,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:48:45,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:48:45,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:48:45,117 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:48:45,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 02:48:45,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:48:45,225 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:48:45,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:48:45,255 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 02:48:45,256 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:48:45,814 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 1 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:48:45,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 02:48:51,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:48:51,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 136 states and 465 transitions. [2024-12-06 02:48:51,967 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 465 transitions. [2024-12-06 02:48:51,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 02:48:51,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:48:51,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:48:51,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:48:51,969 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:48:51,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 02:48:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:48:52,045 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:48:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:48:52,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 02:48:52,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:48:52,548 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:48:52,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-06 02:48:55,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:48:55,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 139 states and 491 transitions. [2024-12-06 02:48:55,638 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 491 transitions. [2024-12-06 02:48:55,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 02:48:55,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:48:55,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:48:55,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:48:55,641 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:48:55,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 02:48:55,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:48:55,758 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:48:55,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:48:55,791 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 02:48:55,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:48:56,533 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 30 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:48:56,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-06 02:49:03,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:49:03,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 143 states and 502 transitions. [2024-12-06 02:49:03,030 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 502 transitions. [2024-12-06 02:49:03,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 02:49:03,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:49:03,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:49:03,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:49:03,033 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:49:03,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 02:49:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:49:03,114 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:49:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:49:03,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 02:49:03,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:49:04,199 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:49:04,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-06 02:49:10,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:49:10,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 149 states and 534 transitions. [2024-12-06 02:49:10,206 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 534 transitions. [2024-12-06 02:49:10,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 02:49:10,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:49:10,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:49:10,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:49:10,208 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:49:10,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-06 02:49:10,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:49:10,293 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:49:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:49:10,320 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 02:49:10,321 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:49:10,919 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 1 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:49:10,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-06 02:49:18,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:49:18,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 153 states and 545 transitions. [2024-12-06 02:49:18,303 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 545 transitions. [2024-12-06 02:49:18,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 02:49:18,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:49:18,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:49:18,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:49:18,305 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:49:18,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-06 02:49:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:49:18,382 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:49:18,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:49:18,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 02:49:18,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:49:18,973 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:49:18,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-06 02:49:21,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:49:21,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 156 states and 585 transitions. [2024-12-06 02:49:21,620 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 585 transitions. [2024-12-06 02:49:21,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-06 02:49:21,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:49:21,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:49:21,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:49:21,623 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:49:21,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-06 02:49:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:49:21,735 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:49:21,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:49:21,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 02:49:21,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:49:22,896 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 42 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:49:22,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-06 02:49:31,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:49:31,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 160 states and 596 transitions. [2024-12-06 02:49:31,198 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 596 transitions. [2024-12-06 02:49:31,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 02:49:31,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:49:31,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:49:31,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:49:31,200 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:49:31,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-06 02:49:31,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:49:31,285 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:49:31,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:49:31,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-06 02:49:31,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:49:32,718 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:49:32,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-06 02:49:39,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:49:39,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 166 states and 630 transitions. [2024-12-06 02:49:39,418 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 630 transitions. [2024-12-06 02:49:39,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 02:49:39,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:49:39,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:49:39,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:49:39,420 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:49:39,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-06 02:49:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:49:39,457 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:49:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:49:39,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 02:49:39,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:49:39,849 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 02:49:39,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-06 02:49:49,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:49:49,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 180 states and 670 transitions. [2024-12-06 02:49:49,194 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 670 transitions. [2024-12-06 02:49:49,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 02:49:49,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:49:49,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:49:49,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:49:49,196 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:49:49,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-06 02:49:49,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:49:49,287 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:49:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:49:49,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-06 02:49:49,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:49:50,085 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 1 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:49:50,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-06 02:49:59,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:49:59,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 184 states and 681 transitions. [2024-12-06 02:49:59,433 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 681 transitions. [2024-12-06 02:49:59,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 02:49:59,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:49:59,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:49:59,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:49:59,436 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:49:59,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-06 02:49:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:49:59,513 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:49:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:49:59,534 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 02:49:59,535 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:50:00,251 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:50:00,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-06 02:50:05,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:50:05,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 187 states and 712 transitions. [2024-12-06 02:50:05,058 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 712 transitions. [2024-12-06 02:50:05,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-06 02:50:05,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:50:05,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:50:05,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:50:05,061 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:50:05,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-06 02:50:05,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:05,188 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:50:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:05,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-06 02:50:05,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:50:06,585 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 2 proven. 57 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:50:06,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-06 02:50:17,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:50:17,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 191 states and 723 transitions. [2024-12-06 02:50:17,154 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 723 transitions. [2024-12-06 02:50:17,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 02:50:17,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:50:17,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:50:17,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:50:17,156 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:50:17,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-06 02:50:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:17,244 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:50:17,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:17,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 02:50:17,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:50:18,943 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:50:18,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-12-06 02:50:28,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:50:28,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 197 states and 759 transitions. [2024-12-06 02:50:28,001 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 759 transitions. [2024-12-06 02:50:28,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 02:50:28,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:50:28,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:50:28,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:50:28,004 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:50:28,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-06 02:50:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:28,121 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:50:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:28,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 02:50:28,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:50:30,531 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 3 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 02:50:30,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-12-06 02:50:43,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:50:43,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 201 states and 770 transitions. [2024-12-06 02:50:43,703 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 770 transitions. [2024-12-06 02:50:43,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 02:50:43,704 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:50:43,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:50:43,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:50:43,706 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:50:43,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-06 02:50:43,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:43,800 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:50:43,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:43,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 02:50:43,832 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:50:44,668 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 1 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:50:44,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-12-06 02:50:57,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:50:57,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 205 states and 781 transitions. [2024-12-06 02:50:57,407 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 781 transitions. [2024-12-06 02:50:57,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 02:50:57,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:50:57,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:50:57,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:50:57,409 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:50:57,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-12-06 02:50:57,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:57,496 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:50:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:57,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 02:50:57,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:50:58,389 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:50:58,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-12-06 02:51:02,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:51:02,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 208 states and 829 transitions. [2024-12-06 02:51:02,830 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 829 transitions. [2024-12-06 02:51:02,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-12-06 02:51:02,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:51:02,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:51:02,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:51:02,832 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:51:02,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-12-06 02:51:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:51:02,949 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:51:02,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:51:02,986 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-06 02:51:02,987 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:51:04,088 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 2 proven. 75 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:51:04,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-12-06 02:51:18,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:51:18,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 212 states and 840 transitions. [2024-12-06 02:51:18,230 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 840 transitions. [2024-12-06 02:51:18,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 02:51:18,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:51:18,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:51:18,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:51:18,232 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:51:18,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-12-06 02:51:18,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:51:18,319 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:51:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:51:18,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 02:51:18,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:51:20,216 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:51:20,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-12-06 02:51:31,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:51:31,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 218 states and 878 transitions. [2024-12-06 02:51:31,766 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 878 transitions. [2024-12-06 02:51:31,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 02:51:31,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:51:31,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:51:31,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:51:31,769 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:51:31,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-12-06 02:51:31,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:51:31,938 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:51:31,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:51:31,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-06 02:51:31,985 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:51:33,910 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 3 proven. 54 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 02:51:33,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-12-06 02:51:48,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:51:48,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 222 states and 889 transitions. [2024-12-06 02:51:48,838 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 889 transitions. [2024-12-06 02:51:48,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-06 02:51:48,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:51:48,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:51:48,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:51:48,840 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:51:48,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-12-06 02:51:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:51:48,935 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:51:48,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:51:48,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 02:51:48,970 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:51:49,938 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 1 proven. 139 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:51:49,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-12-06 02:52:06,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:52:06,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 226 states and 900 transitions. [2024-12-06 02:52:06,535 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 900 transitions. [2024-12-06 02:52:06,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-06 02:52:06,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:52:06,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:52:06,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:52:06,538 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:52:06,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-12-06 02:52:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:52:06,622 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:52:06,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:52:06,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 02:52:06,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:52:07,611 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:52:07,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-12-06 02:52:14,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:52:14,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 229 states and 936 transitions. [2024-12-06 02:52:14,058 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 936 transitions. [2024-12-06 02:52:14,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 02:52:14,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:52:14,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:52:14,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:52:14,061 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:52:14,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-12-06 02:52:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:52:14,190 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:52:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:52:14,232 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 02:52:14,233 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:52:16,022 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 2 proven. 96 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:52:16,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2024-12-06 02:52:33,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:52:33,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 233 states and 947 transitions. [2024-12-06 02:52:33,990 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 947 transitions. [2024-12-06 02:52:33,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 02:52:33,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:52:33,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:52:33,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:52:33,992 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:52:33,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-12-06 02:52:34,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:52:34,092 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:52:34,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:52:34,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-06 02:52:34,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:52:36,224 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:52:36,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-12-06 02:52:50,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:52:50,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 239 states and 987 transitions. [2024-12-06 02:52:50,379 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 987 transitions. [2024-12-06 02:52:50,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 02:52:50,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:52:50,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:52:50,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:52:50,381 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:52:50,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-12-06 02:52:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:52:50,532 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:52:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:52:50,592 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 02:52:50,593 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:52:52,376 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 3 proven. 69 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 02:52:52,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-12-06 02:53:10,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:53:10,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 243 states and 998 transitions. [2024-12-06 02:53:10,791 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 998 transitions. [2024-12-06 02:53:10,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 02:53:10,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:53:10,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:53:10,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:53:10,793 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:53:10,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-12-06 02:53:10,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:53:10,893 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:53:10,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:53:10,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-06 02:53:10,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:53:12,002 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 1 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:53:12,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c536d1b2-ecf6-4f6a-918b-20cdea807a0f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0