./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdb4434-96ba-40a4-b15d-7c496bc16f6e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdb4434-96ba-40a4-b15d-7c496bc16f6e/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdb4434-96ba-40a4-b15d-7c496bc16f6e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdb4434-96ba-40a4-b15d-7c496bc16f6e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdb4434-96ba-40a4-b15d-7c496bc16f6e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdb4434-96ba-40a4-b15d-7c496bc16f6e/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e82362cf624f0e845caa7a60d1834859999824a1181a9b545ac94ec06fd3aa08 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:33:45,036 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:33:45,092 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdb4434-96ba-40a4-b15d-7c496bc16f6e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:33:45,097 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:33:45,097 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:33:45,118 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:33:45,119 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:33:45,119 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:33:45,120 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:33:45,120 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:33:45,120 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:33:45,120 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:33:45,120 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:33:45,120 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:33:45,120 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:33:45,120 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:33:45,121 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:33:45,121 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:33:45,121 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:33:45,121 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:33:45,121 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:33:45,121 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:33:45,121 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:33:45,121 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:33:45,121 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:33:45,121 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:33:45,121 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:33:45,122 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:33:45,122 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:33:45,122 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:33:45,122 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:33:45,122 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:33:45,122 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:33:45,122 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_cfdb4434-96ba-40a4-b15d-7c496bc16f6e/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e82362cf624f0e845caa7a60d1834859999824a1181a9b545ac94ec06fd3aa08 [2024-12-06 02:33:45,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:33:45,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:33:45,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:33:45,380 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:33:45,381 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:33:45,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdb4434-96ba-40a4-b15d-7c496bc16f6e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.UNBOUNDED.pals.c [2024-12-06 02:33:48,023 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdb4434-96ba-40a4-b15d-7c496bc16f6e/bin/ukojak-verify-CZk0znPC7b/data/047635d57/3db00779f30e43cca848baa86dd7fd2c/FLAGe3e337a4c [2024-12-06 02:33:48,254 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:33:48,255 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdb4434-96ba-40a4-b15d-7c496bc16f6e/sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.UNBOUNDED.pals.c [2024-12-06 02:33:48,265 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdb4434-96ba-40a4-b15d-7c496bc16f6e/bin/ukojak-verify-CZk0znPC7b/data/047635d57/3db00779f30e43cca848baa86dd7fd2c/FLAGe3e337a4c [2024-12-06 02:33:48,603 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdb4434-96ba-40a4-b15d-7c496bc16f6e/bin/ukojak-verify-CZk0znPC7b/data/047635d57/3db00779f30e43cca848baa86dd7fd2c [2024-12-06 02:33:48,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:33:48,606 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:33:48,607 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:33:48,607 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:33:48,610 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:33:48,611 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:33:48" (1/1) ... [2024-12-06 02:33:48,612 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fd8ebe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:33:48, skipping insertion in model container [2024-12-06 02:33:48,612 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:33:48" (1/1) ... [2024-12-06 02:33:48,634 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:33:48,825 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_cfdb4434-96ba-40a4-b15d-7c496bc16f6e/sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.UNBOUNDED.pals.c[26481,26494] [2024-12-06 02:33:48,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:33:48,840 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:33:48,898 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_cfdb4434-96ba-40a4-b15d-7c496bc16f6e/sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.UNBOUNDED.pals.c[26481,26494] [2024-12-06 02:33:48,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:33:48,912 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:33:48,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:33:48 WrapperNode [2024-12-06 02:33:48,912 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:33:48,913 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:33:48,913 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:33:48,913 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:33:48,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:33:48" (1/1) ... [2024-12-06 02:33:48,926 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:33:48" (1/1) ... [2024-12-06 02:33:48,955 INFO L138 Inliner]: procedures = 28, calls = 19, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 529 [2024-12-06 02:33:48,955 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:33:48,956 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:33:48,956 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:33:48,956 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:33:48,963 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:33:48" (1/1) ... [2024-12-06 02:33:48,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:33:48" (1/1) ... [2024-12-06 02:33:48,966 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:33:48" (1/1) ... [2024-12-06 02:33:48,967 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:33:48" (1/1) ... [2024-12-06 02:33:48,976 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:33:48" (1/1) ... [2024-12-06 02:33:48,978 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:33:48" (1/1) ... [2024-12-06 02:33:48,984 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:33:48" (1/1) ... [2024-12-06 02:33:48,986 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:33:48" (1/1) ... [2024-12-06 02:33:48,988 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:33:48" (1/1) ... [2024-12-06 02:33:48,992 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:33:48,993 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:33:48,993 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:33:48,993 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:33:48,994 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:33:48" (1/1) ... [2024-12-06 02:33:48,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:33:49,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdb4434-96ba-40a4-b15d-7c496bc16f6e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:33:49,019 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdb4434-96ba-40a4-b15d-7c496bc16f6e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:33:49,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdb4434-96ba-40a4-b15d-7c496bc16f6e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:33:49,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:33:49,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:33:49,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:33:49,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:33:49,152 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:33:49,154 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:33:49,649 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-12-06 02:33:49,649 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:33:50,403 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:33:50,403 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 02:33:50,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:33:50 BoogieIcfgContainer [2024-12-06 02:33:50,403 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:33:50,404 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:33:50,404 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:33:50,411 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:33:50,412 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:33:50" (1/1) ... [2024-12-06 02:33:50,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:33:50,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:33:50,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-12-06 02:33:50,455 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-12-06 02:33:50,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 02:33:50,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:33:50,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:33:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:33:52,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:33:52,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:33:52,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2024-12-06 02:33:52,748 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2024-12-06 02:33:52,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:33:52,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:33:52,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:33:52,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:33:53,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:33:53,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:33:53,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2024-12-06 02:33:53,574 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2024-12-06 02:33:53,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:33:53,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:33:53,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:33:53,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:33:54,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:33:55,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:33:55,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2024-12-06 02:33:55,253 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-12-06 02:33:55,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 02:33:55,254 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:33:55,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:33:55,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:33:56,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:33:56,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:33:56,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2024-12-06 02:33:56,708 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2024-12-06 02:33:56,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 02:33:56,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:33:56,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:33:56,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:34:05,954 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:34:12,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:34:12,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2024-12-06 02:34:12,935 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2024-12-06 02:34:12,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:34:12,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:34:12,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:34:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:34:13,812 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:34:18,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:34:18,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 41 states and 65 transitions. [2024-12-06 02:34:18,155 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 65 transitions. [2024-12-06 02:34:18,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:34:18,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:34:18,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:34:18,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:34:27,458 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:34:37,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:34:37,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 50 states and 79 transitions. [2024-12-06 02:34:37,291 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 79 transitions. [2024-12-06 02:34:37,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:34:37,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:34:37,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:34:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:34:47,256 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:34:57,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:34:57,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 61 states and 97 transitions. [2024-12-06 02:34:57,009 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 97 transitions. [2024-12-06 02:34:57,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 02:34:57,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:34:57,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:34:57,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:34:59,807 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:35:11,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:35:11,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 71 states and 126 transitions. [2024-12-06 02:35:11,731 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 126 transitions. [2024-12-06 02:35:11,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 02:35:11,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:35:11,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:35:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:35:14,576 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:35:25,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:35:25,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 80 states and 147 transitions. [2024-12-06 02:35:25,139 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 147 transitions. [2024-12-06 02:35:25,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 02:35:25,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:35:25,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:35:25,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:35:26,116 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:35:29,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:35:29,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 86 states and 157 transitions. [2024-12-06 02:35:29,212 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 157 transitions. [2024-12-06 02:35:29,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 02:35:29,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:35:29,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:35:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:35:32,098 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:35:33,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:35:33,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 87 states and 161 transitions. [2024-12-06 02:35:33,591 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 161 transitions. [2024-12-06 02:35:33,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 02:35:33,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:35:33,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:35:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:35:37,770 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:35:53,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:35:53,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 104 states and 191 transitions. [2024-12-06 02:35:53,470 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 191 transitions. [2024-12-06 02:35:53,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 02:35:53,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:35:53,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:35:53,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:35:55,456 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:35:59,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:35:59,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 107 states and 203 transitions. [2024-12-06 02:35:59,286 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 203 transitions. [2024-12-06 02:35:59,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 02:35:59,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:35:59,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:35:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:03,807 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:36:07,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:36:07,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 110 states and 214 transitions. [2024-12-06 02:36:07,855 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 214 transitions. [2024-12-06 02:36:07,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 02:36:07,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:36:07,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:36:08,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:52,216 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:38:14,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:38:14,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 135 states and 277 transitions. [2024-12-06 02:38:14,011 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 277 transitions. [2024-12-06 02:38:14,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 02:38:14,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:38:14,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:38:14,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:40:34,101 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:42:33,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:42:33,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 160 states and 344 transitions. [2024-12-06 02:42:33,067 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 344 transitions. [2024-12-06 02:42:33,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 02:42:33,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:42:33,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:42:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:43:50,157 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:45:42,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:45:42,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 185 states and 403 transitions. [2024-12-06 02:45:42,162 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 403 transitions. [2024-12-06 02:45:42,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 02:45:42,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:45:42,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:45:42,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:45:45,434 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:46:36,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:46:36,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 193 states and 417 transitions. [2024-12-06 02:46:36,336 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 417 transitions. [2024-12-06 02:46:36,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 02:46:36,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:46:36,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:46:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:46:39,120 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:46:59,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:46:59,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 199 states and 426 transitions. [2024-12-06 02:46:59,988 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 426 transitions. [2024-12-06 02:46:59,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 02:46:59,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:46:59,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:47:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:01,095 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:47:15,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:47:15,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 205 states and 433 transitions. [2024-12-06 02:47:15,458 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 433 transitions. [2024-12-06 02:47:15,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 02:47:15,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:47:15,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:47:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat