./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound20.c --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_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/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_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/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_528f4a2b-5e9f-4e85-8a32-529d080495a4/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 21cdb68b157f5f8b7463533f545ac6ba72a59d04f7166c24abe2ffbb265d260d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:04:54,397 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:04:54,449 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:04:54,453 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:04:54,453 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:04:54,471 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:04:54,472 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:04:54,472 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:04:54,473 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:04:54,473 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:04:54,473 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:04:54,473 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:04:54,473 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:04:54,473 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:04:54,473 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:04:54,473 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:04:54,473 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:04:54,474 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:04:54,474 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:04:54,474 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:04:54,474 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:04:54,474 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:04:54,474 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:04:54,474 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:04:54,474 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:04:54,474 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:04:54,474 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:04:54,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:04:54,475 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:04:54,475 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:04:54,475 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:04:54,475 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:04:54,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:04:54,475 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_528f4a2b-5e9f-4e85-8a32-529d080495a4/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 -> 21cdb68b157f5f8b7463533f545ac6ba72a59d04f7166c24abe2ffbb265d260d [2024-12-06 00:04:54,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:04:54,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:04:54,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:04:54,689 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:04:54,689 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:04:54,690 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound20.c [2024-12-06 00:04:57,304 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/data/047e2d903/79a058f6bc8b48fcaa272b9876232fc1/FLAGa9360badf [2024-12-06 00:04:57,515 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:04:57,515 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound20.c [2024-12-06 00:04:57,522 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/data/047e2d903/79a058f6bc8b48fcaa272b9876232fc1/FLAGa9360badf [2024-12-06 00:04:57,871 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/data/047e2d903/79a058f6bc8b48fcaa272b9876232fc1 [2024-12-06 00:04:57,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:04:57,874 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:04:57,874 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:04:57,875 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:04:57,877 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:04:57,878 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:04:57" (1/1) ... [2024-12-06 00:04:57,878 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4257549c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:57, skipping insertion in model container [2024-12-06 00:04:57,878 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:04:57" (1/1) ... [2024-12-06 00:04:57,887 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:04:57,987 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_528f4a2b-5e9f-4e85-8a32-529d080495a4/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound20.c[552,565] [2024-12-06 00:04:58,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:04:58,010 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:04:58,018 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_528f4a2b-5e9f-4e85-8a32-529d080495a4/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound20.c[552,565] [2024-12-06 00:04:58,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:04:58,037 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:04:58,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:58 WrapperNode [2024-12-06 00:04:58,038 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:04:58,039 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:04:58,039 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:04:58,039 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:04:58,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:58" (1/1) ... [2024-12-06 00:04:58,047 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:58" (1/1) ... [2024-12-06 00:04:58,061 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2024-12-06 00:04:58,061 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:04:58,062 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:04:58,062 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:04:58,062 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:04:58,067 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:58" (1/1) ... [2024-12-06 00:04:58,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:58" (1/1) ... [2024-12-06 00:04:58,068 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:58" (1/1) ... [2024-12-06 00:04:58,068 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:58" (1/1) ... [2024-12-06 00:04:58,071 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:58" (1/1) ... [2024-12-06 00:04:58,072 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:58" (1/1) ... [2024-12-06 00:04:58,075 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:58" (1/1) ... [2024-12-06 00:04:58,076 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:58" (1/1) ... [2024-12-06 00:04:58,077 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:58" (1/1) ... [2024-12-06 00:04:58,078 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:04:58,079 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:04:58,079 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:04:58,079 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:04:58,080 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:58" (1/1) ... [2024-12-06 00:04:58,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:04:58,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:04:58,102 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:04:58,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:04:58,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:04:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:04:58,125 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:04:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:04:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:04:58,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:04:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 00:04:58,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 00:04:58,179 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:04:58,181 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:04:58,315 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 00:04:58,315 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:04:58,340 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:04:58,340 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-12-06 00:04:58,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:04:58 BoogieIcfgContainer [2024-12-06 00:04:58,340 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:04:58,341 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:04:58,341 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:04:58,348 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:04:58,348 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:04:58" (1/1) ... [2024-12-06 00:04:58,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:04:58,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:04:58,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 42 transitions. [2024-12-06 00:04:58,400 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2024-12-06 00:04:58,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 00:04:58,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:04:58,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:04:58,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:04:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:04:58,593 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:04:58,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:04:58,702 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 00:04:58,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:04:58,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 49 transitions. [2024-12-06 00:04:58,798 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2024-12-06 00:04:58,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 00:04:58,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:04:58,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:04:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:05:08,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:05:08,926 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 00:05:08,930 INFO L158 Benchmark]: Toolchain (without parser) took 11055.98ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 60.8MB in the end (delta: 56.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 00:05:08,930 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:05:08,930 INFO L158 Benchmark]: CACSL2BoogieTranslator took 163.71ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 106.1MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:05:08,931 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.83ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 104.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:05:08,931 INFO L158 Benchmark]: Boogie Preprocessor took 16.27ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 104.1MB in the end (delta: 776.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:05:08,931 INFO L158 Benchmark]: RCFGBuilder took 261.51ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 90.9MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:05:08,932 INFO L158 Benchmark]: CodeCheck took 10588.31ms. Allocated memory is still 142.6MB. Free memory was 90.9MB in the beginning and 60.8MB in the end (delta: 30.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 00:05:08,934 INFO L338 ainManager$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 0.21ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 163.71ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 106.1MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.83ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 104.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.27ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 104.1MB in the end (delta: 776.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 261.51ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 90.9MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 10588.31ms. Allocated memory is still 142.6MB. Free memory was 90.9MB in the beginning and 60.8MB in the end (delta: 30.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:05:08,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/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_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/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_528f4a2b-5e9f-4e85-8a32-529d080495a4/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 21cdb68b157f5f8b7463533f545ac6ba72a59d04f7166c24abe2ffbb265d260d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:05:10,854 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:05:10,936 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 00:05:10,961 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:05:10,962 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:05:10,962 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:05:10,962 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:05:10,962 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:05:10,963 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:05:10,963 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:05:10,963 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:05:10,963 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:05:10,963 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:05:10,963 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:05:10,963 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:05:10,963 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:05:10,963 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:05:10,963 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:05:10,964 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:05:10,964 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:05:10,964 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:05:10,964 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:05:10,964 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:05:10,964 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:05:10,964 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:05:10,964 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:05:10,964 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:05:10,964 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:05:10,964 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:05:10,964 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:05:10,965 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:05:10,965 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:05:10,965 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:05:10,965 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:05:10,965 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:05:10,965 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:05:10,965 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_528f4a2b-5e9f-4e85-8a32-529d080495a4/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 -> 21cdb68b157f5f8b7463533f545ac6ba72a59d04f7166c24abe2ffbb265d260d [2024-12-06 00:05:11,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:05:11,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:05:11,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:05:11,210 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:05:11,210 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:05:11,211 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound20.c [2024-12-06 00:05:13,946 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/data/14e405502/b2936025c5894efd9526e75b30d41e09/FLAG313f00e1f [2024-12-06 00:05:14,136 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:05:14,137 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound20.c [2024-12-06 00:05:14,146 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/data/14e405502/b2936025c5894efd9526e75b30d41e09/FLAG313f00e1f [2024-12-06 00:05:14,164 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/data/14e405502/b2936025c5894efd9526e75b30d41e09 [2024-12-06 00:05:14,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:05:14,169 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:05:14,170 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:05:14,171 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:05:14,176 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:05:14,177 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:05:14" (1/1) ... [2024-12-06 00:05:14,178 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48778972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:14, skipping insertion in model container [2024-12-06 00:05:14,178 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:05:14" (1/1) ... [2024-12-06 00:05:14,194 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:05:14,343 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_528f4a2b-5e9f-4e85-8a32-529d080495a4/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound20.c[552,565] [2024-12-06 00:05:14,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:05:14,374 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:05:14,385 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_528f4a2b-5e9f-4e85-8a32-529d080495a4/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound20.c[552,565] [2024-12-06 00:05:14,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:05:14,409 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:05:14,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:14 WrapperNode [2024-12-06 00:05:14,410 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:05:14,411 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:05:14,411 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:05:14,411 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:05:14,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:14" (1/1) ... [2024-12-06 00:05:14,427 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:14" (1/1) ... [2024-12-06 00:05:14,447 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2024-12-06 00:05:14,447 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:05:14,448 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:05:14,448 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:05:14,448 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:05:14,457 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:14" (1/1) ... [2024-12-06 00:05:14,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:14" (1/1) ... [2024-12-06 00:05:14,459 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:14" (1/1) ... [2024-12-06 00:05:14,459 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:14" (1/1) ... [2024-12-06 00:05:14,465 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:14" (1/1) ... [2024-12-06 00:05:14,466 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:14" (1/1) ... [2024-12-06 00:05:14,470 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:14" (1/1) ... [2024-12-06 00:05:14,472 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:14" (1/1) ... [2024-12-06 00:05:14,472 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:14" (1/1) ... [2024-12-06 00:05:14,475 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:05:14,475 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:05:14,476 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:05:14,476 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:05:14,477 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:14" (1/1) ... [2024-12-06 00:05:14,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:05:14,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:05:14,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:05:14,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:05:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:05:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:05:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:05:14,550 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:05:14,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:05:14,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:05:14,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 00:05:14,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 00:05:14,620 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:05:14,622 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:05:14,798 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 00:05:14,798 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:05:14,839 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:05:14,839 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-12-06 00:05:14,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:05:14 BoogieIcfgContainer [2024-12-06 00:05:14,840 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:05:14,840 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:05:14,840 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:05:14,850 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:05:14,850 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:05:14" (1/1) ... [2024-12-06 00:05:14,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:05:14,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:05:14,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 42 transitions. [2024-12-06 00:05:14,908 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2024-12-06 00:05:14,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 00:05:14,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:05:14,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:05:14,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:05:14,916 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:05:14,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:05:15,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:05:15,065 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:05:15,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:05:15,215 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 00:05:15,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:05:15,645 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 00:05:15,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:05:16,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:05:16,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 30 states and 49 transitions. [2024-12-06 00:05:16,426 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2024-12-06 00:05:16,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 00:05:16,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:05:16,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:05:16,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:05:16,430 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:05:16,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:05:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:05:16,585 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:05:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:05:16,654 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 00:05:16,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:05:17,139 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-06 00:05:17,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-12-06 00:05:18,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:05:18,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 35 states and 64 transitions. [2024-12-06 00:05:18,528 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 64 transitions. [2024-12-06 00:05:18,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 00:05:18,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:05:18,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:05:18,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:05:18,531 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:05:18,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 00:05:18,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:05:18,632 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:05:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:05:18,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 00:05:18,665 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:05:20,174 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 00:05:20,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-12-06 00:05:21,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:05:21,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 36 states and 67 transitions. [2024-12-06 00:05:21,773 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 67 transitions. [2024-12-06 00:05:21,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 00:05:21,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:05:21,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:05:21,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:05:21,775 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:05:21,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 00:05:21,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:05:21,825 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:05:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:05:21,860 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:05:21,861 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:05:21,940 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-12-06 00:05:21,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 00:05:22,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:05:22,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 37 states and 69 transitions. [2024-12-06 00:05:22,555 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 69 transitions. [2024-12-06 00:05:22,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 00:05:22,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:05:22,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:05:22,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:05:22,558 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:05:22,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 00:05:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:05:22,624 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:05:22,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:05:22,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 00:05:22,660 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:05:24,563 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-06 00:05:24,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 00:05:36,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:05:36,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:05:36,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 39 states and 73 transitions. [2024-12-06 00:05:36,720 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 73 transitions. [2024-12-06 00:05:36,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 00:05:36,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:05:36,721 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:05:36,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:05:36,723 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:05:36,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 00:05:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:05:36,859 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:05:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:05:37,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 00:05:37,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:05:37,960 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-12-06 00:05:37,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 00:05:51,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:05:55,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:05:55,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 41 states and 79 transitions. [2024-12-06 00:05:55,513 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 79 transitions. [2024-12-06 00:05:55,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:05:55,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:05:55,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:05:55,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:05:55,516 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:05:55,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 00:05:55,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:05:55,567 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:05:55,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:05:55,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 00:05:55,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:05:56,267 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-06 00:05:56,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-12-06 00:06:06,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:06:16,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:06:30,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:06:30,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:06:30,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 43 states and 82 transitions. [2024-12-06 00:06:30,738 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 82 transitions. [2024-12-06 00:06:30,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:06:30,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:06:30,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:06:30,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:06:30,741 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:06:30,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 00:06:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:06:30,884 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:06:31,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:06:31,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-06 00:06:31,029 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:06:31,590 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 00:06:31,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 00:06:41,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:06:52,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:06:53,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:06:53,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 45 states and 89 transitions. [2024-12-06 00:06:53,015 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 89 transitions. [2024-12-06 00:06:53,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:06:53,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:06:53,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:06:53,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:06:53,018 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:06:53,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 00:06:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:06:53,200 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:06:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:06:53,394 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 00:06:53,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:06:54,748 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 11 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 00:06:54,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 00:07:10,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:07:16,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:07:16,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 47 states and 94 transitions. [2024-12-06 00:07:16,252 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 94 transitions. [2024-12-06 00:07:16,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 00:07:16,254 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:07:16,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:07:16,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:07:16,256 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:07:16,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 00:07:16,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:07:16,299 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:07:16,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:07:16,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:07:16,332 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:07:16,364 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-12-06 00:07:16,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 00:07:23,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:07:23,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 49 states and 100 transitions. [2024-12-06 00:07:23,776 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 100 transitions. [2024-12-06 00:07:23,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 00:07:23,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:07:23,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:07:23,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:07:23,779 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:07:23,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 00:07:23,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:07:23,826 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:07:23,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:07:23,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 00:07:23,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:07:24,506 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-12-06 00:07:24,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 00:07:44,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:07:55,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:07:55,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:07:55,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 51 states and 103 transitions. [2024-12-06 00:07:55,512 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 103 transitions. [2024-12-06 00:07:55,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 00:07:55,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:07:55,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:07:55,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:07:55,514 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:07:55,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 00:07:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:07:55,683 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:07:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:07:55,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 00:07:55,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:07:57,469 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-12-06 00:07:57,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 00:08:14,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:08:25,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:08:26,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:08:26,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 53 states and 108 transitions. [2024-12-06 00:08:26,629 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 108 transitions. [2024-12-06 00:08:26,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 00:08:26,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:08:26,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:08:26,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:08:26,632 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:08:26,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 00:08:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:08:26,881 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:08:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:08:27,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-06 00:08:27,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:08:30,219 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 13 proven. 18 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-12-06 00:08:30,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 00:08:46,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:08:58,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:09:01,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:01,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 55 states and 114 transitions. [2024-12-06 00:09:01,183 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 114 transitions. [2024-12-06 00:09:01,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 00:09:01,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:01,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:09:01,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:09:01,186 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:09:01,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 00:09:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:01,433 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:09:01,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:01,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 00:09:01,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:04,708 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 15 proven. 19 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-12-06 00:09:04,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 00:09:23,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:09:40,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:09:42,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:42,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 57 states and 119 transitions. [2024-12-06 00:09:42,785 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 119 transitions. [2024-12-06 00:09:42,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 00:09:42,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:42,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:09:42,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:09:42,787 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:09:42,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 00:09:42,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:42,834 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:09:42,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:42,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:09:42,888 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:43,580 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-12-06 00:09:43,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 00:10:23,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:10:37,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:11:01,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:11:02,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:11:02,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 62 states and 133 transitions. [2024-12-06 00:11:02,302 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 133 transitions. [2024-12-06 00:11:02,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 00:11:02,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:11:02,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:11:02,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:11:02,305 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:11:02,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 00:11:02,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:11:02,475 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:11:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:11:02,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 00:11:02,545 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:11:05,147 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 18 proven. 22 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-12-06 00:11:05,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 00:11:13,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:11:13,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 65 states and 140 transitions. [2024-12-06 00:11:13,871 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 140 transitions. [2024-12-06 00:11:13,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 00:11:13,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:11:13,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:11:13,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:11:13,877 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:11:13,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 00:11:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:11:14,123 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:11:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:11:14,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 00:11:14,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:11:17,098 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 23 proven. 22 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-12-06 00:11:17,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 00:11:37,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:11:48,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:11:50,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:11:50,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 67 states and 145 transitions. [2024-12-06 00:11:50,480 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 145 transitions. [2024-12-06 00:11:50,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 00:11:50,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:11:50,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:11:50,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:11:50,483 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:11:50,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 00:11:50,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:11:50,658 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:11:50,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:11:50,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 00:11:50,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:11:58,702 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 14 proven. 23 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-12-06 00:11:58,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 00:12:20,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:12:20,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 75 states and 158 transitions. [2024-12-06 00:12:20,018 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 158 transitions. [2024-12-06 00:12:20,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 00:12:20,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:12:20,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:12:20,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:12:20,020 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:12:20,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 00:12:20,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:20,330 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:12:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:20,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 00:12:20,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:12:27,211 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 20 proven. 22 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-12-06 00:12:27,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 00:12:47,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:12:58,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:13:01,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:13:01,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 77 states and 164 transitions. [2024-12-06 00:13:01,837 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 164 transitions. [2024-12-06 00:13:01,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 00:13:01,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:13:01,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:13:01,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:13:01,839 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:13:01,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 00:13:02,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:02,133 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:13:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:02,253 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 00:13:02,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:13:08,323 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 17 proven. 26 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-12-06 00:13:08,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 00:13:31,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:13:43,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:13:48,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:13:48,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 79 states and 170 transitions. [2024-12-06 00:13:48,814 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 170 transitions. [2024-12-06 00:13:48,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 00:13:48,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:13:48,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:13:48,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:13:48,817 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:13:48,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 00:13:49,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:49,069 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:13:49,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:49,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-06 00:13:49,456 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:13:54,731 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 19 proven. 27 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-12-06 00:13:54,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-12-06 00:14:18,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:14:39,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:14:42,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:42,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 81 states and 175 transitions. [2024-12-06 00:14:42,181 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 175 transitions. [2024-12-06 00:14:42,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-12-06 00:14:42,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:42,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:42,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:42,185 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:42,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 00:14:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:42,234 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:14:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:42,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:14:42,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:14:42,307 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-12-06 00:14:42,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 00:14:44,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:44,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 81 states and 174 transitions. [2024-12-06 00:14:44,473 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 174 transitions. [2024-12-06 00:14:44,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-12-06 00:14:44,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:44,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:44,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:44,476 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:44,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 00:14:44,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:44,529 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:14:44,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:44,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:14:44,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:14:44,608 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-12-06 00:14:44,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 00:14:47,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:47,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 81 states and 173 transitions. [2024-12-06 00:14:47,165 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 173 transitions. [2024-12-06 00:14:47,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 00:14:47,167 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:47,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:47,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:47,168 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:47,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 00:14:47,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:47,405 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:14:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:47,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 00:14:47,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:15:00,074 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 20 proven. 32 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-12-06 00:15:00,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 00:15:31,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:15:54,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:16:06,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:06,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 84 states and 179 transitions. [2024-12-06 00:16:06,878 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 179 transitions. [2024-12-06 00:16:06,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 00:16:06,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:06,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:16:06,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:16:06,880 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:16:06,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 00:16:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:07,121 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:16:07,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:07,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-06 00:16:07,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:16:12,362 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 25 proven. 30 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-06 00:16:12,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-12-06 00:16:29,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:29,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 87 states and 187 transitions. [2024-12-06 00:16:29,194 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 187 transitions. [2024-12-06 00:16:29,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 00:16:29,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:29,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:16:29,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:16:29,198 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:16:29,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 00:16:29,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:29,459 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:16:29,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:29,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-06 00:16:29,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:16:36,627 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-12-06 00:16:36,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 00:17:06,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:17:17,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:17:20,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:17:20,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 89 states and 192 transitions. [2024-12-06 00:17:20,337 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 192 transitions. [2024-12-06 00:17:20,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 00:17:20,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:17:20,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:17:20,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:17:20,341 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:17:20,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 00:17:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:20,611 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:17:20,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:20,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 00:17:20,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:17:28,380 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 22 proven. 31 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-06 00:17:28,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 00:17:55,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:17:55,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 92 states and 198 transitions. [2024-12-06 00:17:55,313 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 198 transitions. [2024-12-06 00:17:55,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 00:17:55,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:17:55,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:17:55,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:17:55,316 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:17:55,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 00:17:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:55,712 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:17:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:56,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-06 00:17:56,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:18:03,344 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 27 proven. 28 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-12-06 00:18:03,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 00:18:29,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:18:40,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:18:44,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:18:44,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 94 states and 204 transitions. [2024-12-06 00:18:44,909 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 204 transitions. [2024-12-06 00:18:44,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 00:18:44,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:18:44,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:18:44,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:18:44,912 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:18:44,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 00:18:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:45,076 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:18:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:45,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 00:18:45,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:18:53,261 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 19 proven. 36 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-06 00:18:53,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-06 00:19:20,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:20,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 99 states and 213 transitions. [2024-12-06 00:19:20,088 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 213 transitions. [2024-12-06 00:19:20,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 00:19:20,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:20,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:19:20,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:19:20,090 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:19:20,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 00:19:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:20,429 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:19:20,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:20,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-06 00:19:20,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:28,804 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 24 proven. 30 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-12-06 00:19:28,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-06 00:19:57,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:20:08,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:20:13,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:13,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 101 states and 219 transitions. [2024-12-06 00:20:13,007 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 219 transitions. [2024-12-06 00:20:13,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 00:20:13,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:13,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:13,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:13,009 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:13,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f4a2b-5e9f-4e85-8a32-529d080495a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 00:20:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:13,409 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:13,662 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-06 00:20:13,664 INFO L279 TraceCheckSpWp]: Computing forward predicates...