./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_1+newton_2_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_be99585d-48f8-49b5-990f-9fc28bc88bf9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/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_be99585d-48f8-49b5-990f-9fc28bc88bf9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_2_6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/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_be99585d-48f8-49b5-990f-9fc28bc88bf9/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 8060cb1ce07e11abaa182acb01dfa4175ca7fb1d00421c40b0d3868d7fbf682f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:01:10,505 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:01:10,576 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:01:10,581 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:01:10,581 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:01:10,617 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:01:10,619 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:01:10,620 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:01:10,620 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:01:10,621 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:01:10,622 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:01:10,622 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:01:10,622 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:01:10,623 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:01:10,623 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:01:10,623 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:01:10,623 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:01:10,623 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:01:10,623 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:01:10,624 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:01:10,624 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:01:10,625 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:01:10,625 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:01:10,625 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:01:10,625 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:01:10,625 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:01:10,625 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:01:10,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:01:10,626 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:01:10,626 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:01:10,626 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:01:10,627 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:01:10,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:01:10,627 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_be99585d-48f8-49b5-990f-9fc28bc88bf9/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 -> 8060cb1ce07e11abaa182acb01dfa4175ca7fb1d00421c40b0d3868d7fbf682f [2024-11-13 23:01:11,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:01:11,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:01:11,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:01:11,024 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:01:11,025 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:01:11,027 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/combinations/gcd_1+newton_2_6.i Unable to find full path for "g++" [2024-11-13 23:01:13,343 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:01:13,622 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:01:13,622 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/sv-benchmarks/c/combinations/gcd_1+newton_2_6.i [2024-11-13 23:01:13,633 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/bin/ukojak-verify-EEHR8qb7sm/data/6c0511fb7/1c0e7de10fbd47518781d7370ec4d1ef/FLAG77d86ad62 [2024-11-13 23:01:13,653 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/bin/ukojak-verify-EEHR8qb7sm/data/6c0511fb7/1c0e7de10fbd47518781d7370ec4d1ef [2024-11-13 23:01:13,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:01:13,658 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:01:13,660 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:01:13,660 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:01:13,664 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:01:13,666 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:01:13" (1/1) ... [2024-11-13 23:01:13,667 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c6ca7ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:13, skipping insertion in model container [2024-11-13 23:01:13,670 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:01:13" (1/1) ... [2024-11-13 23:01:13,688 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:01:13,834 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_be99585d-48f8-49b5-990f-9fc28bc88bf9/sv-benchmarks/c/combinations/gcd_1+newton_2_6.i[1226,1239] [2024-11-13 23:01:13,859 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_be99585d-48f8-49b5-990f-9fc28bc88bf9/sv-benchmarks/c/combinations/gcd_1+newton_2_6.i[2807,2820] [2024-11-13 23:01:13,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:01:13,870 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:01:13,882 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_be99585d-48f8-49b5-990f-9fc28bc88bf9/sv-benchmarks/c/combinations/gcd_1+newton_2_6.i[1226,1239] [2024-11-13 23:01:13,893 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_be99585d-48f8-49b5-990f-9fc28bc88bf9/sv-benchmarks/c/combinations/gcd_1+newton_2_6.i[2807,2820] [2024-11-13 23:01:13,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:01:13,906 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:01:13,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:13 WrapperNode [2024-11-13 23:01:13,906 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:01:13,907 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:01:13,907 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:01:13,907 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:01:13,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:13" (1/1) ... [2024-11-13 23:01:13,920 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:13" (1/1) ... [2024-11-13 23:01:13,943 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 85 [2024-11-13 23:01:13,944 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:01:13,944 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:01:13,945 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:01:13,945 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:01:13,953 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:13" (1/1) ... [2024-11-13 23:01:13,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:13" (1/1) ... [2024-11-13 23:01:13,955 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:13" (1/1) ... [2024-11-13 23:01:13,955 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:13" (1/1) ... [2024-11-13 23:01:13,960 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:13" (1/1) ... [2024-11-13 23:01:13,964 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:13" (1/1) ... [2024-11-13 23:01:13,965 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:13" (1/1) ... [2024-11-13 23:01:13,966 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:13" (1/1) ... [2024-11-13 23:01:13,968 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:01:13,968 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:01:13,969 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:01:13,969 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:01:13,970 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:13" (1/1) ... [2024-11-13 23:01:13,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:01:13,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:01:14,009 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:01:14,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:01:14,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:01:14,042 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-13 23:01:14,042 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-13 23:01:14,043 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-13 23:01:14,043 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-13 23:01:14,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:01:14,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:01:14,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:01:14,143 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:01:14,145 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:01:14,385 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-13 23:01:14,385 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:01:14,462 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:01:14,462 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:01:14,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:01:14 BoogieIcfgContainer [2024-11-13 23:01:14,463 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:01:14,464 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:01:14,464 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:01:14,480 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:01:14,480 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:01:14" (1/1) ... [2024-11-13 23:01:14,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:01:14,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:01:14,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2024-11-13 23:01:14,559 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-11-13 23:01:14,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:01:14,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:01:14,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:01:14,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:01:14,923 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 23:01:15,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:01:15,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2024-11-13 23:01:15,001 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2024-11-13 23:01:15,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:01:15,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:01:15,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:01:15,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:01:15,303 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 23:01:15,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:01:15,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-13 23:01:15,489 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-13 23:01:15,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:01:15,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:01:15,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:01:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:01:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:01:23,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 23:01:23,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:01:30,655 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:01:38,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.80s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 23:01:40,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:01:40,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2024-11-13 23:01:40,339 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2024-11-13 23:01:40,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 23:01:40,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:01:40,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:01:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:01:40,349 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:01:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:01:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:01:40,406 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:01:40,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:01:40,440 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-11-13 23:01:40,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:01:40 ImpRootNode [2024-11-13 23:01:40,468 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:01:40,469 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:01:40,469 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:01:40,469 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:01:40,470 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:01:14" (3/4) ... [2024-11-13 23:01:40,472 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:01:40,473 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:01:40,477 INFO L158 Benchmark]: Toolchain (without parser) took 26816.42ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 50.7MB in the end (delta: 41.3MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2024-11-13 23:01:40,478 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 83.9MB. Free memory is still 40.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:01:40,479 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.77ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 80.0MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:01:40,479 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.66ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 78.4MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:01:40,480 INFO L158 Benchmark]: Boogie Preprocessor took 23.39ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 77.5MB in the end (delta: 852.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:01:40,480 INFO L158 Benchmark]: RCFGBuilder took 494.39ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 60.8MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:01:40,481 INFO L158 Benchmark]: CodeCheck took 26004.52ms. Allocated memory is still 117.4MB. Free memory was 60.4MB in the beginning and 50.7MB in the end (delta: 9.6MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2024-11-13 23:01:40,481 INFO L158 Benchmark]: Witness Printer took 4.51ms. Allocated memory is still 117.4MB. Free memory was 50.7MB in the beginning and 50.7MB in the end (delta: 14.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:01:40,486 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 3 procedures, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 25.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 43 SdHoareTripleChecker+Valid, 6.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 6.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 68 IncrementalHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 15 mSDtfsCounter, 68 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 167 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 8.4s SatisfiabilityAnalysisTime, 7.3s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 18 ConstructedInterpolants, 1 QuantifiedInterpolants, 110 SizeOfPredicates, 1 NumberOfNonLiveVariables, 72 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 2/4 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: 102]: 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 91, overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someBinaryArithmeticFLOAToperation at line 95, overapproximation of someBinaryArithmeticFLOAToperation at line 85, overapproximation of someBinaryArithmeticFLOAToperation at line 80, overapproximation of someBinaryArithmeticFLOAToperation at line 93. Possible FailurePath: [L108] COND FALSE !(__VERIFIER_nondet_int()) [L111] CALL main2() [L90] float IN = __VERIFIER_nondet_float(); [L91] CALL assume_abort_if_not(IN > -1.2f && IN < 1.2f) [L75] COND FALSE !(!cond) [L91] RET assume_abort_if_not(IN > -1.2f && IN < 1.2f) [L93] CALL, EXPR f(IN) VAL [\old(x)=2] [L80] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L93] RET, EXPR f(IN) VAL [IN=2] [L93] CALL, EXPR fp(IN) VAL [\old(x)=2] [L85] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L93] RET, EXPR fp(IN) VAL [IN=2] [L93] float x = IN - f(IN)/fp(IN); [L95] CALL, EXPR f(x) VAL [\old(x)=3] [L80] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L95] RET, EXPR f(x) VAL [IN=2, x=3] [L95] CALL, EXPR fp(x) VAL [\old(x)=3] [L85] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L95] RET, EXPR fp(x) VAL [IN=2, x=3] [L95] x = x - f(x)/fp(x) [L101] COND TRUE !(x < 0.1) VAL [IN=2] [L102] reach_error() VAL [IN=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 83.9MB. Free memory is still 40.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.77ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 80.0MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.66ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 78.4MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.39ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 77.5MB in the end (delta: 852.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 494.39ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 60.8MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 26004.52ms. Allocated memory is still 117.4MB. Free memory was 60.4MB in the beginning and 50.7MB in the end (delta: 9.6MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * Witness Printer took 4.51ms. Allocated memory is still 117.4MB. Free memory was 50.7MB in the beginning and 50.7MB in the end (delta: 14.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 23:01:40,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/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_be99585d-48f8-49b5-990f-9fc28bc88bf9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/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_be99585d-48f8-49b5-990f-9fc28bc88bf9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_2_6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/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_be99585d-48f8-49b5-990f-9fc28bc88bf9/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 8060cb1ce07e11abaa182acb01dfa4175ca7fb1d00421c40b0d3868d7fbf682f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:01:43,397 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:01:43,548 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 23:01:43,631 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:01:43,633 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:01:43,634 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:01:43,635 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:01:43,635 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:01:43,636 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:01:43,637 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:01:43,638 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:01:43,638 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:01:43,638 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:01:43,638 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:01:43,638 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:01:43,639 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:01:43,639 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:01:43,640 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:01:43,640 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:01:43,640 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:01:43,640 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:01:43,640 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:01:43,640 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:01:43,641 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:01:43,641 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:01:43,641 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:01:43,641 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:01:43,641 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:01:43,641 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:01:43,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:01:43,642 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:01:43,642 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:01:43,642 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:01:43,642 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:01:43,642 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:01:43,642 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:01:43,642 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_be99585d-48f8-49b5-990f-9fc28bc88bf9/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 -> 8060cb1ce07e11abaa182acb01dfa4175ca7fb1d00421c40b0d3868d7fbf682f [2024-11-13 23:01:44,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:01:44,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:01:44,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:01:44,129 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:01:44,130 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:01:44,132 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/combinations/gcd_1+newton_2_6.i Unable to find full path for "g++" [2024-11-13 23:01:46,755 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:01:47,010 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:01:47,015 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/sv-benchmarks/c/combinations/gcd_1+newton_2_6.i [2024-11-13 23:01:47,039 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/bin/ukojak-verify-EEHR8qb7sm/data/bbf927864/94cf6fac9ae546eb91698dea4145d2ed/FLAG5815d5f2b [2024-11-13 23:01:47,057 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/bin/ukojak-verify-EEHR8qb7sm/data/bbf927864/94cf6fac9ae546eb91698dea4145d2ed [2024-11-13 23:01:47,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:01:47,061 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:01:47,066 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:01:47,066 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:01:47,071 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:01:47,072 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:01:47" (1/1) ... [2024-11-13 23:01:47,074 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aad4fca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:47, skipping insertion in model container [2024-11-13 23:01:47,074 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:01:47" (1/1) ... [2024-11-13 23:01:47,092 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:01:47,306 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_be99585d-48f8-49b5-990f-9fc28bc88bf9/sv-benchmarks/c/combinations/gcd_1+newton_2_6.i[1226,1239] [2024-11-13 23:01:47,353 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_be99585d-48f8-49b5-990f-9fc28bc88bf9/sv-benchmarks/c/combinations/gcd_1+newton_2_6.i[2807,2820] [2024-11-13 23:01:47,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:01:47,368 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:01:47,385 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/sv-benchmarks/c/combinations/gcd_1+newton_2_6.i[1226,1239] [2024-11-13 23:01:47,410 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_be99585d-48f8-49b5-990f-9fc28bc88bf9/sv-benchmarks/c/combinations/gcd_1+newton_2_6.i[2807,2820] [2024-11-13 23:01:47,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:01:47,436 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:01:47,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:47 WrapperNode [2024-11-13 23:01:47,437 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:01:47,438 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:01:47,439 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:01:47,439 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:01:47,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:47" (1/1) ... [2024-11-13 23:01:47,471 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:47" (1/1) ... [2024-11-13 23:01:47,499 INFO L138 Inliner]: procedures = 28, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 80 [2024-11-13 23:01:47,499 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:01:47,500 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:01:47,500 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:01:47,500 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:01:47,508 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:47" (1/1) ... [2024-11-13 23:01:47,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:47" (1/1) ... [2024-11-13 23:01:47,512 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:47" (1/1) ... [2024-11-13 23:01:47,514 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:47" (1/1) ... [2024-11-13 23:01:47,528 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:47" (1/1) ... [2024-11-13 23:01:47,531 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:47" (1/1) ... [2024-11-13 23:01:47,537 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:47" (1/1) ... [2024-11-13 23:01:47,538 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:47" (1/1) ... [2024-11-13 23:01:47,544 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:01:47,547 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:01:47,547 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:01:47,547 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:01:47,548 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:47" (1/1) ... [2024-11-13 23:01:47,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:01:47,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:01:47,592 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:01:47,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:01:47,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:01:47,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:01:47,617 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-13 23:01:47,618 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-13 23:01:47,618 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-13 23:01:47,618 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-13 23:01:47,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:01:47,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:01:47,686 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:01:47,688 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:02:07,855 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-13 23:02:07,856 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:02:07,940 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:02:07,941 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:02:07,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:02:07 BoogieIcfgContainer [2024-11-13 23:02:07,941 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:02:07,942 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:02:07,943 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:02:07,955 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:02:07,956 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:02:07" (1/1) ... [2024-11-13 23:02:07,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:02:08,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:02:08,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2024-11-13 23:02:08,021 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-11-13 23:02:08,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:02:08,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:02:08,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:02:08,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:02:08,032 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:02:08,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:02:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:02:08,199 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:02:08,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:02:08,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 23:02:08,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:02:08,423 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 23:02:08,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 23:02:08,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:02:08,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2024-11-13 23:02:08,712 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2024-11-13 23:02:08,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:02:08,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:02:08,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:02:08,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:02:08,717 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:02:08,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 23:02:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:02:09,134 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:02:09,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:02:09,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 23:02:09,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:02:09,724 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 23:02:09,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 23:02:11,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:02:11,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2024-11-13 23:02:11,806 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2024-11-13 23:02:11,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:02:11,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:02:11,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:02:11,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:02:11,810 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:02:11,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 23:02:12,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:02:12,788 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:02:15,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:02:15,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 23:02:15,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:02:23,695 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:02:23,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 23:02:41,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:02:43,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:02:43,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:02:43,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-11-13 23:02:43,973 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-11-13 23:02:43,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:02:43,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:02:43,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:02:43,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:02:43,977 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:02:43,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 23:02:44,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:02:45,000 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:02:48,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:02:48,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:02:48,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:02:58,173 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:02:58,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 23:03:00,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:00,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2024-11-13 23:03:00,733 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2024-11-13 23:03:00,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 23:03:00,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:00,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:03:00,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:03:00,736 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:03:00,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be99585d-48f8-49b5-990f-9fc28bc88bf9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process