./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_4+newton_3_4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/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_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_3_4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/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_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/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 f09b746b21098ae229b5e9917c4ca5a923788d2aece1e91f4b662939d14a19d3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:28:13,573 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:28:13,632 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:28:13,637 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:28:13,637 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:28:13,657 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:28:13,658 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:28:13,658 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:28:13,658 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:28:13,658 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:28:13,658 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:28:13,658 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:28:13,658 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:28:13,659 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:28:13,659 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:28:13,659 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:28:13,659 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:28:13,659 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:28:13,659 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:28:13,659 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:28:13,659 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:28:13,659 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:28:13,659 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:28:13,659 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:28:13,660 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:28:13,660 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:28:13,660 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:28:13,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:28:13,660 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:28:13,660 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:28:13,660 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:28:13,660 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:28:13,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:28:13,660 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_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/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 -> f09b746b21098ae229b5e9917c4ca5a923788d2aece1e91f4b662939d14a19d3 [2024-12-06 03:28:13,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:28:13,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:28:13,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:28:13,905 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:28:13,906 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:28:13,907 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_4+newton_3_4.i [2024-12-06 03:28:16,584 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/data/54c5c36ef/4d29281bd4dd4555a6edfcfe1ab0d2b2/FLAG328e18d57 [2024-12-06 03:28:16,784 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:28:16,785 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/sv-benchmarks/c/combinations/gcd_4+newton_3_4.i [2024-12-06 03:28:16,793 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/data/54c5c36ef/4d29281bd4dd4555a6edfcfe1ab0d2b2/FLAG328e18d57 [2024-12-06 03:28:16,805 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/data/54c5c36ef/4d29281bd4dd4555a6edfcfe1ab0d2b2 [2024-12-06 03:28:16,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:28:16,809 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:28:16,810 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:28:16,810 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:28:16,815 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:28:16,816 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:28:16" (1/1) ... [2024-12-06 03:28:16,817 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53aca537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:16, skipping insertion in model container [2024-12-06 03:28:16,817 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:28:16" (1/1) ... [2024-12-06 03:28:16,834 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:28:16,979 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_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/sv-benchmarks/c/combinations/gcd_4+newton_3_4.i[1224,1237] [2024-12-06 03:28:17,011 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_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/sv-benchmarks/c/combinations/gcd_4+newton_3_4.i[2848,2861] [2024-12-06 03:28:17,013 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:28:17,025 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:28:17,039 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_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/sv-benchmarks/c/combinations/gcd_4+newton_3_4.i[1224,1237] [2024-12-06 03:28:17,052 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_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/sv-benchmarks/c/combinations/gcd_4+newton_3_4.i[2848,2861] [2024-12-06 03:28:17,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:28:17,073 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:28:17,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:17 WrapperNode [2024-12-06 03:28:17,074 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:28:17,075 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:28:17,076 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:28:17,076 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:28:17,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:17" (1/1) ... [2024-12-06 03:28:17,093 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:17" (1/1) ... [2024-12-06 03:28:17,116 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 83 [2024-12-06 03:28:17,117 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:28:17,117 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:28:17,117 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:28:17,117 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:28:17,127 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:17" (1/1) ... [2024-12-06 03:28:17,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:17" (1/1) ... [2024-12-06 03:28:17,129 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:17" (1/1) ... [2024-12-06 03:28:17,129 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:17" (1/1) ... [2024-12-06 03:28:17,135 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:17" (1/1) ... [2024-12-06 03:28:17,136 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:17" (1/1) ... [2024-12-06 03:28:17,140 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:17" (1/1) ... [2024-12-06 03:28:17,141 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:17" (1/1) ... [2024-12-06 03:28:17,143 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:17" (1/1) ... [2024-12-06 03:28:17,145 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:28:17,146 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:28:17,146 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:28:17,146 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:28:17,147 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:17" (1/1) ... [2024-12-06 03:28:17,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:28:17,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:28:17,184 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:28:17,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:28:17,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:28:17,220 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 03:28:17,220 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 03:28:17,220 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 03:28:17,220 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 03:28:17,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:28:17,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:28:17,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:28:17,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 03:28:17,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 03:28:17,297 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:28:17,299 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:28:17,470 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-12-06 03:28:17,470 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:28:17,519 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:28:17,520 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:28:17,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:28:17 BoogieIcfgContainer [2024-12-06 03:28:17,520 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:28:17,521 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:28:17,521 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:28:17,531 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:28:17,532 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:28:17" (1/1) ... [2024-12-06 03:28:17,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:28:17,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:28:17,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2024-12-06 03:28:17,593 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2024-12-06 03:28:17,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:28:17,598 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:28:17,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:28:17,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:17,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:28:17,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:28:17,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2024-12-06 03:28:17,839 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2024-12-06 03:28:17,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 03:28:17,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:28:17,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:28:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:17,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:28:18,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:28:18,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2024-12-06 03:28:18,011 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2024-12-06 03:28:18,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 03:28:18,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:28:18,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:28:18,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:18,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:28:18,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:28:18,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 36 states and 47 transitions. [2024-12-06 03:28:18,306 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2024-12-06 03:28:18,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 03:28:18,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:28:18,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:28:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:18,461 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:28:18,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:28:18,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 38 states and 54 transitions. [2024-12-06 03:28:18,685 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2024-12-06 03:28:18,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 03:28:18,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:28:18,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:28:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:18,911 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:28:19,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:28:19,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2024-12-06 03:28:19,331 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2024-12-06 03:28:19,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 03:28:19,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:28:19,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:28:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:19,625 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:28:20,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:28:20,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 46 states and 83 transitions. [2024-12-06 03:28:20,310 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 83 transitions. [2024-12-06 03:28:20,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 03:28:20,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:28:20,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:28:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:20,444 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:28:20,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:28:20,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 47 states and 84 transitions. [2024-12-06 03:28:20,598 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 84 transitions. [2024-12-06 03:28:20,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 03:28:20,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:28:20,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:28:20,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:20,741 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:28:20,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:28:20,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 48 states and 86 transitions. [2024-12-06 03:28:20,925 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 86 transitions. [2024-12-06 03:28:20,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 03:28:20,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:28:20,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:28:20,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:28:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:20,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-06 03:28:20,971 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:28:21,464 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:28:22,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:28:22,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 57 states and 105 transitions. [2024-12-06 03:28:22,418 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 105 transitions. [2024-12-06 03:28:22,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 03:28:22,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:28:22,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:28:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:28:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:22,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-06 03:28:22,455 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:28:22,526 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:28:22,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:28:22,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 50 transitions. [2024-12-06 03:28:22,605 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2024-12-06 03:28:22,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 03:28:22,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:28:22,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:28:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:28:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:22,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-06 03:28:22,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:28:23,060 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:28:24,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:28:24,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 41 states and 49 transitions. [2024-12-06 03:28:24,872 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2024-12-06 03:28:24,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 03:28:24,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:28:24,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:28:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:28:24,880 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:28:24,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:28:24,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:28:24,921 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:28:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:28:24,945 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 12 iterations. [2024-12-06 03:28:24,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:28:24 ImpRootNode [2024-12-06 03:28:24,967 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:28:24,968 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:28:24,968 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:28:24,968 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:28:24,969 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:28:17" (3/4) ... [2024-12-06 03:28:24,971 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 03:28:24,972 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:28:24,973 INFO L158 Benchmark]: Toolchain (without parser) took 8163.85ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 116.6MB in the beginning and 80.9MB in the end (delta: 35.7MB). Peak memory consumption was 65.1MB. Max. memory is 16.1GB. [2024-12-06 03:28:24,973 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:28:24,973 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.33ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 104.6MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:28:24,973 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.27ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 103.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:28:24,974 INFO L158 Benchmark]: Boogie Preprocessor took 27.65ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 102.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:28:24,974 INFO L158 Benchmark]: RCFGBuilder took 374.68ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 84.8MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:28:24,974 INFO L158 Benchmark]: CodeCheck took 7446.52ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 84.8MB in the beginning and 81.1MB in the end (delta: 3.7MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2024-12-06 03:28:24,975 INFO L158 Benchmark]: Witness Printer took 3.88ms. Allocated memory is still 176.2MB. Free memory was 81.1MB in the beginning and 80.9MB in the end (delta: 225.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:28:24,976 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 4 procedures, 34 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 7.4s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 364 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 117 mSDsluCounter, 118 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 621 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1760 IncrementalHoareTripleChecker+Invalid, 2381 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 621 mSolverCounterUnsat, 118 mSDtfsCounter, 1760 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1459 GetRequests, 1283 SyntacticMatches, 22 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11525 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 161 NumberOfCodeBlocks, 161 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 125 ConstructedInterpolants, 0 QuantifiedInterpolants, 682 SizeOfPredicates, 6 NumberOfNonLiveVariables, 231 ConjunctsInSsa, 72 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 2/87 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 109]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 108, overapproximation of someBinaryArithmeticFLOAToperation at line 87, overapproximation of someBinaryArithmeticFLOAToperation at line 100, overapproximation of someBinaryArithmeticFLOAToperation at line 92, overapproximation of someBinaryArithmeticFLOAToperation at line 102, overapproximation of someBinaryArithmeticFLOAToperation at line 104. Possible FailurePath: [L115] COND FALSE !(__VERIFIER_nondet_int()) [L118] CALL main2() [L97] float IN = __VERIFIER_nondet_float(); [L98] CALL assume_abort_if_not(IN > -0.8f && IN < 0.8f) [L82] COND FALSE !(!cond) [L98] RET assume_abort_if_not(IN > -0.8f && IN < 0.8f) [L100] CALL, EXPR f(IN) VAL [\old(x)=2] [L87] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L100] RET, EXPR f(IN) VAL [IN=2] [L100] CALL, EXPR fp(IN) VAL [\old(x)=2] [L92] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L100] RET, EXPR fp(IN) VAL [IN=2] [L100] float x = IN - f(IN)/fp(IN); [L102] CALL, EXPR f(x) VAL [\old(x)=3] [L87] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L102] RET, EXPR f(x) VAL [IN=2, x=3] [L102] CALL, EXPR fp(x) VAL [\old(x)=3] [L92] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L102] RET, EXPR fp(x) VAL [IN=2, x=3] [L102] x = x - f(x)/fp(x) [L104] CALL, EXPR f(x) VAL [\old(x)=4] [L87] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L104] RET, EXPR f(x) VAL [IN=2, x=4] [L104] CALL, EXPR fp(x) VAL [\old(x)=4] [L92] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L104] RET, EXPR fp(x) VAL [IN=2, x=4] [L104] x = x - f(x)/fp(x) [L108] COND TRUE !(x < 0.1) VAL [IN=2] [L109] reach_error() VAL [IN=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.33ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 104.6MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.27ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 103.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.65ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 102.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 374.68ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 84.8MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 7446.52ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 84.8MB in the beginning and 81.1MB in the end (delta: 3.7MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. * Witness Printer took 3.88ms. Allocated memory is still 176.2MB. Free memory was 81.1MB in the beginning and 80.9MB in the end (delta: 225.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 03:28:24,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/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_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/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_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_3_4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/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_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/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 f09b746b21098ae229b5e9917c4ca5a923788d2aece1e91f4b662939d14a19d3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:28:26,922 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:28:27,002 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 03:28:27,035 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:28:27,036 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:28:27,036 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:28:27,036 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:28:27,036 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:28:27,037 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:28:27,037 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:28:27,037 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:28:27,037 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:28:27,037 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:28:27,037 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:28:27,037 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:28:27,037 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:28:27,037 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:28:27,037 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:28:27,037 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:28:27,038 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:28:27,038 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:28:27,038 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:28:27,038 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:28:27,038 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:28:27,038 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:28:27,039 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:28:27,039 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:28:27,039 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:28:27,039 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:28:27,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:28:27,039 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:28:27,039 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:28:27,039 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:28:27,039 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:28:27,039 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:28:27,039 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:28:27,040 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_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/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 -> f09b746b21098ae229b5e9917c4ca5a923788d2aece1e91f4b662939d14a19d3 [2024-12-06 03:28:27,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:28:27,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:28:27,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:28:27,292 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:28:27,292 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:28:27,294 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_4+newton_3_4.i [2024-12-06 03:28:29,974 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/data/1b8cfadaa/f5276d383a30411b8c1120ca619260ff/FLAG6668d24bd [2024-12-06 03:28:30,145 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:28:30,145 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/sv-benchmarks/c/combinations/gcd_4+newton_3_4.i [2024-12-06 03:28:30,153 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/data/1b8cfadaa/f5276d383a30411b8c1120ca619260ff/FLAG6668d24bd [2024-12-06 03:28:30,167 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/data/1b8cfadaa/f5276d383a30411b8c1120ca619260ff [2024-12-06 03:28:30,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:28:30,171 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:28:30,173 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:28:30,173 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:28:30,178 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:28:30,179 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:28:30" (1/1) ... [2024-12-06 03:28:30,179 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d27f743 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:30, skipping insertion in model container [2024-12-06 03:28:30,180 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:28:30" (1/1) ... [2024-12-06 03:28:30,196 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:28:30,322 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_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/sv-benchmarks/c/combinations/gcd_4+newton_3_4.i[1224,1237] [2024-12-06 03:28:30,346 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_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/sv-benchmarks/c/combinations/gcd_4+newton_3_4.i[2848,2861] [2024-12-06 03:28:30,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:28:30,361 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:28:30,374 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_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/sv-benchmarks/c/combinations/gcd_4+newton_3_4.i[1224,1237] [2024-12-06 03:28:30,386 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_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/sv-benchmarks/c/combinations/gcd_4+newton_3_4.i[2848,2861] [2024-12-06 03:28:30,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:28:30,403 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:28:30,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:30 WrapperNode [2024-12-06 03:28:30,403 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:28:30,404 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:28:30,404 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:28:30,404 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:28:30,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:30" (1/1) ... [2024-12-06 03:28:30,418 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:30" (1/1) ... [2024-12-06 03:28:30,436 INFO L138 Inliner]: procedures = 28, calls = 28, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 80 [2024-12-06 03:28:30,437 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:28:30,437 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:28:30,437 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:28:30,437 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:28:30,443 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:30" (1/1) ... [2024-12-06 03:28:30,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:30" (1/1) ... [2024-12-06 03:28:30,446 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:30" (1/1) ... [2024-12-06 03:28:30,447 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:30" (1/1) ... [2024-12-06 03:28:30,454 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:30" (1/1) ... [2024-12-06 03:28:30,455 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:30" (1/1) ... [2024-12-06 03:28:30,458 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:30" (1/1) ... [2024-12-06 03:28:30,460 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:30" (1/1) ... [2024-12-06 03:28:30,461 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:30" (1/1) ... [2024-12-06 03:28:30,463 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:28:30,464 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:28:30,464 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:28:30,464 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:28:30,465 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:28:30" (1/1) ... [2024-12-06 03:28:30,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:28:30,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:28:30,491 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:28:30,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:28:30,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:28:30,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:28:30,514 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 03:28:30,514 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 03:28:30,514 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 03:28:30,514 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 03:28:30,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:28:30,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:28:30,514 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 03:28:30,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 03:28:30,569 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:28:30,571 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:28:55,260 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-12-06 03:28:55,260 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:28:55,320 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:28:55,321 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:28:55,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:28:55 BoogieIcfgContainer [2024-12-06 03:28:55,321 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:28:55,322 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:28:55,322 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:28:55,331 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:28:55,331 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:28:55" (1/1) ... [2024-12-06 03:28:55,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:28:55,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:28:55,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2024-12-06 03:28:55,383 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2024-12-06 03:28:55,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:28:55,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:28:55,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:28:55,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:28:55,389 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:28:55,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:28:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:55,533 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:28:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:55,572 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 03:28:55,575 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:28:55,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:28:55,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:28:55,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:28:55,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2024-12-06 03:28:55,809 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2024-12-06 03:28:55,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 03:28:55,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:28:55,810 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:28:55,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:28:55,812 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:28:55,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:28:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:55,942 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:28:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:55,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 03:28:55,970 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:28:56,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:28:56,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 03:28:56,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:28:56,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2024-12-06 03:28:56,555 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2024-12-06 03:28:56,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 03:28:56,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:28:56,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:28:56,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:28:56,558 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:28:56,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 03:28:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:56,684 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:28:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:56,713 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 03:28:56,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:28:56,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:28:56,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 03:28:57,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:28:57,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 36 states and 48 transitions. [2024-12-06 03:28:57,143 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 48 transitions. [2024-12-06 03:28:57,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 03:28:57,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:28:57,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:28:57,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:28:57,146 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:28:57,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 03:28:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:57,267 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:28:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:57,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 03:28:57,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:28:57,537 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:28:57,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 03:28:58,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:28:58,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 37 states and 50 transitions. [2024-12-06 03:28:58,055 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2024-12-06 03:28:58,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 03:28:58,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:28:58,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:28:58,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:28:58,058 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:28:58,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 03:28:58,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:58,189 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:28:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:58,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:28:58,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:28:58,501 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:28:58,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 03:28:59,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:28:59,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 38 states and 52 transitions. [2024-12-06 03:28:59,129 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2024-12-06 03:28:59,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 03:28:59,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:28:59,130 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:28:59,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:28:59,131 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:28:59,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 03:28:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:59,259 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:28:59,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:59,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:28:59,294 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:28:59,781 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:28:59,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 03:29:01,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:29:01,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 40 states and 58 transitions. [2024-12-06 03:29:01,045 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2024-12-06 03:29:01,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 03:29:01,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:29:01,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:29:01,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:29:01,047 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:29:01,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 03:29:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:29:01,190 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:29:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:29:01,225 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 03:29:01,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:29:03,907 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:29:03,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 03:29:10,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:29:10,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 50 transitions. [2024-12-06 03:29:10,915 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2024-12-06 03:29:10,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 03:29:10,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:29:10,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:29:10,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:29:10,918 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:29:10,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 03:29:11,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:29:11,138 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:29:11,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:29:11,190 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 03:29:11,191 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:29:16,552 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:29:16,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 03:29:31,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:29:31,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 43 states and 52 transitions. [2024-12-06 03:29:31,471 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2024-12-06 03:29:31,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 03:29:31,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:29:31,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:29:31,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:29:31,473 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:29:31,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0ef09e-7de5-4ad4-9682-01f34b6f2a86/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process