./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_4+newton_3_6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_3_6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm --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 d2ff4855d3411c2183b4955db69fb0d32886e02ca6014c3e616f77788a55bdc3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:53:04,597 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:53:04,704 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 16:53:04,712 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:53:04,712 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:53:04,749 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:53:04,752 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:53:04,752 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:53:04,753 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:53:04,753 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:53:04,753 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:53:04,753 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:53:04,753 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:53:04,753 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:53:04,753 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:53:04,753 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:53:04,754 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:53:04,754 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:53:04,754 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:53:04,754 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:53:04,754 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:53:04,754 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:53:04,754 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:53:04,754 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:53:04,754 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:53:04,755 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:53:04,755 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:53:04,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:53:04,755 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:53:04,755 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:53:04,758 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:53:04,758 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:53:04,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:53:04,758 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_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm 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 -> d2ff4855d3411c2183b4955db69fb0d32886e02ca6014c3e616f77788a55bdc3 [2024-11-13 16:53:05,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:53:05,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:53:05,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:53:05,113 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:53:05,115 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:53:05,116 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/combinations/gcd_4+newton_3_6.i Unable to find full path for "g++" [2024-11-13 16:53:07,069 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:53:07,412 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:53:07,413 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/sv-benchmarks/c/combinations/gcd_4+newton_3_6.i [2024-11-13 16:53:07,422 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/data/701c5129d/b5fee104eead4858a923e2b77ba6dfde/FLAG7781f7c5a [2024-11-13 16:53:07,439 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/data/701c5129d/b5fee104eead4858a923e2b77ba6dfde [2024-11-13 16:53:07,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:53:07,443 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:53:07,444 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:53:07,445 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:53:07,450 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:53:07,451 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:53:07" (1/1) ... [2024-11-13 16:53:07,452 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@210bbcf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:07, skipping insertion in model container [2024-11-13 16:53:07,453 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:53:07" (1/1) ... [2024-11-13 16:53:07,472 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:53:07,665 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_37fc4eda-0b7d-4dec-81b9-1a387128c338/sv-benchmarks/c/combinations/gcd_4+newton_3_6.i[1224,1237] [2024-11-13 16:53:07,705 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_37fc4eda-0b7d-4dec-81b9-1a387128c338/sv-benchmarks/c/combinations/gcd_4+newton_3_6.i[2848,2861] [2024-11-13 16:53:07,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:53:07,719 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:53:07,735 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_37fc4eda-0b7d-4dec-81b9-1a387128c338/sv-benchmarks/c/combinations/gcd_4+newton_3_6.i[1224,1237] [2024-11-13 16:53:07,749 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_37fc4eda-0b7d-4dec-81b9-1a387128c338/sv-benchmarks/c/combinations/gcd_4+newton_3_6.i[2848,2861] [2024-11-13 16:53:07,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:53:07,773 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:53:07,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:07 WrapperNode [2024-11-13 16:53:07,774 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:53:07,776 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:53:07,776 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:53:07,776 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:53:07,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:07" (1/1) ... [2024-11-13 16:53:07,796 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:07" (1/1) ... [2024-11-13 16:53:07,825 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 83 [2024-11-13 16:53:07,826 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:53:07,830 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:53:07,830 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:53:07,831 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:53:07,840 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:07" (1/1) ... [2024-11-13 16:53:07,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:07" (1/1) ... [2024-11-13 16:53:07,846 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:07" (1/1) ... [2024-11-13 16:53:07,846 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:07" (1/1) ... [2024-11-13 16:53:07,852 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:07" (1/1) ... [2024-11-13 16:53:07,863 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:07" (1/1) ... [2024-11-13 16:53:07,864 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:07" (1/1) ... [2024-11-13 16:53:07,865 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:07" (1/1) ... [2024-11-13 16:53:07,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:53:07,868 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:53:07,868 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:53:07,869 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:53:07,870 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:07" (1/1) ... [2024-11-13 16:53:07,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:53:07,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:53:07,907 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:53:07,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:53:07,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:53:07,951 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-13 16:53:07,951 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-13 16:53:07,951 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-13 16:53:07,951 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-13 16:53:07,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:53:07,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:53:07,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:53:07,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 16:53:07,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 16:53:08,043 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:53:08,045 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:53:08,306 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-13 16:53:08,307 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:53:08,394 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:53:08,394 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:53:08,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:53:08 BoogieIcfgContainer [2024-11-13 16:53:08,395 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:53:08,396 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:53:08,396 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:53:08,408 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:53:08,409 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:53:08" (1/1) ... [2024-11-13 16:53:08,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:53:08,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:08,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2024-11-13 16:53:08,481 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2024-11-13 16:53:08,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:53:08,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:08,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:53:08,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:08,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:53:08,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:08,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2024-11-13 16:53:08,962 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2024-11-13 16:53:08,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 16:53:08,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:08,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:53:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:09,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:53:09,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:09,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2024-11-13 16:53:09,293 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2024-11-13 16:53:09,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 16:53:09,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:09,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:53:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:09,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:53:09,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:09,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 36 states and 47 transitions. [2024-11-13 16:53:09,910 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2024-11-13 16:53:09,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 16:53:09,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:09,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:53:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:10,224 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:53:10,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:10,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 38 states and 54 transitions. [2024-11-13 16:53:10,595 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2024-11-13 16:53:10,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 16:53:10,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:10,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:53:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:11,044 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:53:11,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:11,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2024-11-13 16:53:11,655 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2024-11-13 16:53:11,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:53:11,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:11,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:53:11,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:12,132 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:53:13,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:13,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 46 states and 83 transitions. [2024-11-13 16:53:13,185 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 83 transitions. [2024-11-13 16:53:13,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:53:13,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:13,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:53:13,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:13,421 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:53:13,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:13,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 47 states and 84 transitions. [2024-11-13 16:53:13,653 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 84 transitions. [2024-11-13 16:53:13,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:53:13,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:13,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:53:13,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:13,894 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:53:14,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:14,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 48 states and 86 transitions. [2024-11-13 16:53:14,100 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 86 transitions. [2024-11-13 16:53:14,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 16:53:14,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:14,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:53:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:53:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:14,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 16:53:14,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:53:14,890 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:53:16,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:16,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 57 states and 105 transitions. [2024-11-13 16:53:16,395 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 105 transitions. [2024-11-13 16:53:16,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 16:53:16,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:16,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:53:16,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:53:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:16,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 16:53:16,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:53:16,584 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:53:16,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:16,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 50 transitions. [2024-11-13 16:53:16,781 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2024-11-13 16:53:16,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 16:53:16,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:16,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:53:16,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:53:16,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:16,849 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 16:53:16,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:53:17,533 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:53:20,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:20,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 41 states and 49 transitions. [2024-11-13 16:53:20,429 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2024-11-13 16:53:20,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 16:53:20,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:20,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:53:20,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:53:20,444 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:53:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:53:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:53:20,485 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:53:20,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:53:20,512 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 12 iterations. [2024-11-13 16:53:20,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:53:20 ImpRootNode [2024-11-13 16:53:20,544 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:53:20,544 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:53:20,544 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:53:20,545 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:53:20,545 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:53:08" (3/4) ... [2024-11-13 16:53:20,548 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:53:20,549 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:53:20,550 INFO L158 Benchmark]: Toolchain (without parser) took 13107.54ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 94.3MB in the beginning and 96.0MB in the end (delta: -1.7MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2024-11-13 16:53:20,551 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:53:20,551 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.44ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 82.0MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:53:20,552 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.38ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:53:20,552 INFO L158 Benchmark]: Boogie Preprocessor took 37.36ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.6MB in the end (delta: 904.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:53:20,553 INFO L158 Benchmark]: RCFGBuilder took 526.90ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 62.2MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:53:20,555 INFO L158 Benchmark]: CodeCheck took 12147.99ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 62.2MB in the beginning and 96.1MB in the end (delta: -33.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:53:20,556 INFO L158 Benchmark]: Witness Printer took 4.89ms. Allocated memory is still 142.6MB. Free memory was 96.1MB in the beginning and 96.0MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:53:20,558 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: 12.1s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 362 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 115 mSDsluCounter, 118 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 616 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1755 IncrementalHoareTripleChecker+Invalid, 2371 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 616 mSolverCounterUnsat, 118 mSDtfsCounter, 1755 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1507 GetRequests, 1331 SyntacticMatches, 22 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11521 ImplicationChecksByTransitivity, 8.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.8s 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 - 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 92, overapproximation of someBinaryArithmeticFLOAToperation at line 100, overapproximation of someBinaryArithmeticFLOAToperation at line 102, overapproximation of someBinaryArithmeticFLOAToperation at line 87, 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 > -1.2f && IN < 1.2f) [L82] COND FALSE !(!cond) [L98] RET assume_abort_if_not(IN > -1.2f && IN < 1.2f) [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 0.37ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.44ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 82.0MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.38ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.36ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.6MB in the end (delta: 904.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 526.90ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 62.2MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 12147.99ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 62.2MB in the beginning and 96.1MB in the end (delta: -33.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.89ms. Allocated memory is still 142.6MB. Free memory was 96.1MB in the beginning and 96.0MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:53:20,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_3_6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm --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 d2ff4855d3411c2183b4955db69fb0d32886e02ca6014c3e616f77788a55bdc3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:53:23,413 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:53:23,543 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 16:53:23,590 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:53:23,591 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:53:23,591 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:53:23,591 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:53:23,592 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:53:23,592 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:53:23,592 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:53:23,592 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:53:23,592 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:53:23,592 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:53:23,592 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:53:23,592 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:53:23,593 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:53:23,593 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:53:23,593 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:53:23,593 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:53:23,593 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:53:23,595 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:53:23,595 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:53:23,595 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:53:23,595 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:53:23,595 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:53:23,596 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:53:23,596 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:53:23,596 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:53:23,596 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:53:23,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:53:23,596 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:53:23,596 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:53:23,596 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:53:23,596 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:53:23,597 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:53:23,597 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:53:23,597 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_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm 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 -> d2ff4855d3411c2183b4955db69fb0d32886e02ca6014c3e616f77788a55bdc3 [2024-11-13 16:53:23,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:53:23,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:53:23,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:53:23,946 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:53:23,947 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:53:23,951 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/combinations/gcd_4+newton_3_6.i Unable to find full path for "g++" [2024-11-13 16:53:25,851 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:53:26,148 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:53:26,149 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/sv-benchmarks/c/combinations/gcd_4+newton_3_6.i [2024-11-13 16:53:26,162 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/data/406a3cea8/d5c0b6c171f44f8795193f781c413957/FLAGcb6395219 [2024-11-13 16:53:26,193 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/data/406a3cea8/d5c0b6c171f44f8795193f781c413957 [2024-11-13 16:53:26,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:53:26,198 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:53:26,200 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:53:26,200 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:53:26,206 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:53:26,207 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:53:26" (1/1) ... [2024-11-13 16:53:26,211 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b99a304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:26, skipping insertion in model container [2024-11-13 16:53:26,211 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:53:26" (1/1) ... [2024-11-13 16:53:26,235 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:53:26,444 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_37fc4eda-0b7d-4dec-81b9-1a387128c338/sv-benchmarks/c/combinations/gcd_4+newton_3_6.i[1224,1237] [2024-11-13 16:53:26,498 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_37fc4eda-0b7d-4dec-81b9-1a387128c338/sv-benchmarks/c/combinations/gcd_4+newton_3_6.i[2848,2861] [2024-11-13 16:53:26,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:53:26,526 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:53:26,546 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_37fc4eda-0b7d-4dec-81b9-1a387128c338/sv-benchmarks/c/combinations/gcd_4+newton_3_6.i[1224,1237] [2024-11-13 16:53:26,573 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_37fc4eda-0b7d-4dec-81b9-1a387128c338/sv-benchmarks/c/combinations/gcd_4+newton_3_6.i[2848,2861] [2024-11-13 16:53:26,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:53:26,602 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:53:26,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:26 WrapperNode [2024-11-13 16:53:26,603 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:53:26,604 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:53:26,604 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:53:26,604 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:53:26,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:26" (1/1) ... [2024-11-13 16:53:26,629 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:26" (1/1) ... [2024-11-13 16:53:26,662 INFO L138 Inliner]: procedures = 28, calls = 28, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 80 [2024-11-13 16:53:26,663 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:53:26,664 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:53:26,664 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:53:26,664 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:53:26,671 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:26" (1/1) ... [2024-11-13 16:53:26,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:26" (1/1) ... [2024-11-13 16:53:26,674 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:26" (1/1) ... [2024-11-13 16:53:26,674 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:26" (1/1) ... [2024-11-13 16:53:26,686 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:26" (1/1) ... [2024-11-13 16:53:26,691 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:26" (1/1) ... [2024-11-13 16:53:26,697 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:26" (1/1) ... [2024-11-13 16:53:26,698 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:26" (1/1) ... [2024-11-13 16:53:26,706 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:53:26,707 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:53:26,707 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:53:26,707 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:53:26,708 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:26" (1/1) ... [2024-11-13 16:53:26,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:53:26,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:53:26,745 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:53:26,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:53:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:53:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 16:53:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-13 16:53:26,773 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-13 16:53:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-13 16:53:26,773 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-13 16:53:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:53:26,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:53:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 16:53:26,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 16:53:26,847 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:53:26,849 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:53:52,656 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 16:53:52,656 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:53:52,760 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:53:52,763 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:53:52,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:53:52 BoogieIcfgContainer [2024-11-13 16:53:52,764 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:53:52,765 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:53:52,765 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:53:52,782 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:53:52,783 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:53:52" (1/1) ... [2024-11-13 16:53:52,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:53:52,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:52,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2024-11-13 16:53:52,861 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2024-11-13 16:53:52,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:53:52,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:52,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:53:52,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:53:52,872 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:53:52,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:53:53,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:53,084 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:53:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:53,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:53:53,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:53:53,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:53:53,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:53:53,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:53,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2024-11-13 16:53:53,390 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2024-11-13 16:53:53,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 16:53:53,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:53,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:53:53,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:53:53,395 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:53:53,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 16:53:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:53,533 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:53:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:53,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:53:53,580 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:53:53,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:53:53,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 16:53:54,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:54,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2024-11-13 16:53:54,253 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2024-11-13 16:53:54,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 16:53:54,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:54,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:53:54,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:53:54,261 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:53:54,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 16:53:54,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:54,459 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:53:54,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:54,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 16:53:54,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:53:54,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:53:54,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-13 16:53:54,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:54,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 36 states and 48 transitions. [2024-11-13 16:53:54,990 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 48 transitions. [2024-11-13 16:53:54,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 16:53:54,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:54,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:53:54,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:53:54,996 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:53:54,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 16:53:55,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:55,154 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:53:55,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:55,200 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 16:53:55,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:53:55,453 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:53:55,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 16:53:56,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:56,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 37 states and 50 transitions. [2024-11-13 16:53:56,055 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2024-11-13 16:53:56,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 16:53:56,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:56,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:53:56,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:53:56,060 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:53:56,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 16:53:56,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:56,250 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:53:56,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:56,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 16:53:56,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:53:56,598 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:53:56,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-13 16:53:57,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:57,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 38 states and 52 transitions. [2024-11-13 16:53:57,344 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2024-11-13 16:53:57,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:53:57,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:57,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:53:57,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:53:57,347 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:53:57,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 16:53:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:57,503 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:53:57,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:57,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 16:53:57,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:53:58,129 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:53:58,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-13 16:53:59,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:59,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 40 states and 58 transitions. [2024-11-13 16:53:59,633 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2024-11-13 16:53:59,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 16:53:59,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:59,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:53:59,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:53:59,639 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:53:59,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 16:53:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:59,841 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:53:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:59,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 16:53:59,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:54:03,150 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:54:03,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-13 16:54:10,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:54:10,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 50 transitions. [2024-11-13 16:54:10,746 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2024-11-13 16:54:10,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 16:54:10,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:54:10,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:54:10,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:54:10,750 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:54:10,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 16:54:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:54:11,042 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:54:11,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:54:11,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 16:54:11,101 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:54:16,844 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:54:16,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 16:54:33,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:54:33,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 43 states and 52 transitions. [2024-11-13 16:54:33,329 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2024-11-13 16:54:33,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 16:54:33,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:54:33,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:54:33,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:54:33,333 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:54:33,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37fc4eda-0b7d-4dec-81b9-1a387128c338/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process