./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_2+newton_3_5.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_c506e28e-f237-48d0-b7d8-64fe7f51b8e9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c506e28e-f237-48d0-b7d8-64fe7f51b8e9/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_c506e28e-f237-48d0-b7d8-64fe7f51b8e9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c506e28e-f237-48d0-b7d8-64fe7f51b8e9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_2+newton_3_5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c506e28e-f237-48d0-b7d8-64fe7f51b8e9/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_c506e28e-f237-48d0-b7d8-64fe7f51b8e9/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 3c7e4faaabab9b2f322684d2701654a5044e8a4a6ec20b8d467b524bec442165 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:45:30,503 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:45:30,615 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c506e28e-f237-48d0-b7d8-64fe7f51b8e9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:45:30,627 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:45:30,627 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:45:30,669 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:45:30,670 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:45:30,670 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:45:30,671 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:45:30,671 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:45:30,672 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:45:30,673 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:45:30,673 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:45:30,673 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:45:30,674 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:45:30,674 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:45:30,674 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:45:30,674 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:45:30,674 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:45:30,674 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:45:30,674 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:45:30,674 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:45:30,674 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:45:30,675 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:45:30,675 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:45:30,675 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:45:30,675 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:45:30,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:45:30,675 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:45:30,675 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:45:30,675 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:45:30,676 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:45:30,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:45:30,676 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_c506e28e-f237-48d0-b7d8-64fe7f51b8e9/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 -> 3c7e4faaabab9b2f322684d2701654a5044e8a4a6ec20b8d467b524bec442165 [2024-11-13 21:45:31,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:45:31,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:45:31,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:45:31,071 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:45:31,072 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:45:31,073 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c506e28e-f237-48d0-b7d8-64fe7f51b8e9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/combinations/gcd_2+newton_3_5.i Unable to find full path for "g++" [2024-11-13 21:45:33,072 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:45:33,397 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:45:33,397 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c506e28e-f237-48d0-b7d8-64fe7f51b8e9/sv-benchmarks/c/combinations/gcd_2+newton_3_5.i [2024-11-13 21:45:33,425 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c506e28e-f237-48d0-b7d8-64fe7f51b8e9/bin/ukojak-verify-EEHR8qb7sm/data/aa0ce3954/643c52a937d3457c94dbcb6cd22ae8d0/FLAG8ac1674d4 [2024-11-13 21:45:33,495 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c506e28e-f237-48d0-b7d8-64fe7f51b8e9/bin/ukojak-verify-EEHR8qb7sm/data/aa0ce3954/643c52a937d3457c94dbcb6cd22ae8d0 [2024-11-13 21:45:33,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:45:33,504 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:45:33,508 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:45:33,510 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:45:33,519 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:45:33,520 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:45:33" (1/1) ... [2024-11-13 21:45:33,525 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@764fde73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:33, skipping insertion in model container [2024-11-13 21:45:33,525 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:45:33" (1/1) ... [2024-11-13 21:45:33,550 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:45:33,766 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_c506e28e-f237-48d0-b7d8-64fe7f51b8e9/sv-benchmarks/c/combinations/gcd_2+newton_3_5.i[1226,1239] [2024-11-13 21:45:33,817 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_c506e28e-f237-48d0-b7d8-64fe7f51b8e9/sv-benchmarks/c/combinations/gcd_2+newton_3_5.i[2862,2875] [2024-11-13 21:45:33,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:45:33,838 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:45:33,858 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_c506e28e-f237-48d0-b7d8-64fe7f51b8e9/sv-benchmarks/c/combinations/gcd_2+newton_3_5.i[1226,1239] [2024-11-13 21:45:33,886 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_c506e28e-f237-48d0-b7d8-64fe7f51b8e9/sv-benchmarks/c/combinations/gcd_2+newton_3_5.i[2862,2875] [2024-11-13 21:45:33,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:45:33,912 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:45:33,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:33 WrapperNode [2024-11-13 21:45:33,913 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:45:33,914 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:45:33,914 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:45:33,914 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:45:33,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:33" (1/1) ... [2024-11-13 21:45:33,931 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:33" (1/1) ... [2024-11-13 21:45:33,954 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 90 [2024-11-13 21:45:33,954 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:45:33,955 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:45:33,955 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:45:33,955 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:45:33,964 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:33" (1/1) ... [2024-11-13 21:45:33,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:33" (1/1) ... [2024-11-13 21:45:33,966 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:33" (1/1) ... [2024-11-13 21:45:33,966 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:33" (1/1) ... [2024-11-13 21:45:33,972 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:33" (1/1) ... [2024-11-13 21:45:33,976 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:33" (1/1) ... [2024-11-13 21:45:33,977 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:33" (1/1) ... [2024-11-13 21:45:33,978 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:33" (1/1) ... [2024-11-13 21:45:33,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:45:33,981 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:45:33,981 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:45:33,981 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:45:33,982 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:33" (1/1) ... [2024-11-13 21:45:33,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:45:34,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c506e28e-f237-48d0-b7d8-64fe7f51b8e9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:45:34,023 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c506e28e-f237-48d0-b7d8-64fe7f51b8e9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:45:34,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c506e28e-f237-48d0-b7d8-64fe7f51b8e9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:45:34,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:45:34,062 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-13 21:45:34,062 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-13 21:45:34,062 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-13 21:45:34,063 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-13 21:45:34,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:45:34,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:45:34,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:45:34,170 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:45:34,172 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:45:34,517 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-13 21:45:34,517 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:45:34,638 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:45:34,639 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:45:34,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:45:34 BoogieIcfgContainer [2024-11-13 21:45:34,640 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:45:34,640 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:45:34,641 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:45:34,654 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:45:34,654 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:45:34" (1/1) ... [2024-11-13 21:45:34,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:45:34,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:34,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-11-13 21:45:34,726 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-11-13 21:45:34,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:45:34,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:34,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:45:34,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:35,119 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 21:45:35,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:35,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2024-11-13 21:45:35,266 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2024-11-13 21:45:35,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:45:35,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:35,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:45:35,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:35,856 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 21:45:36,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:36,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 33 states and 44 transitions. [2024-11-13 21:45:36,484 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2024-11-13 21:45:36,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:45:36,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:36,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:45:36,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:37,273 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 21:45:37,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:37,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 34 states and 48 transitions. [2024-11-13 21:45:37,906 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2024-11-13 21:45:37,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:45:37,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:37,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:45:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat