./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.UNBOUNDED.pals.c --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_0d347b41-a25e-4bc0-a871-b9916f26c585/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d347b41-a25e-4bc0-a871-b9916f26c585/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_0d347b41-a25e-4bc0-a871-b9916f26c585/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d347b41-a25e-4bc0-a871-b9916f26c585/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d347b41-a25e-4bc0-a871-b9916f26c585/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_0d347b41-a25e-4bc0-a871-b9916f26c585/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 d52f31574095462f7bebf0d97516364dd650b64428a7b12e3aa21d1b47f96325 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:17:40,932 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:17:41,058 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d347b41-a25e-4bc0-a871-b9916f26c585/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:17:41,078 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:17:41,078 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:17:41,120 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:17:41,123 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:17:41,123 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:17:41,124 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:17:41,124 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:17:41,126 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:17:41,126 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:17:41,126 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:17:41,127 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:17:41,127 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:17:41,127 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:17:41,127 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:17:41,127 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:17:41,127 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:17:41,127 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:17:41,128 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:17:41,128 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:17:41,129 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:17:41,129 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:17:41,129 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:17:41,129 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:17:41,130 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:17:41,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:41,130 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:17:41,131 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:17:41,131 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:17:41,131 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:17:41,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:17:41,131 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_0d347b41-a25e-4bc0-a871-b9916f26c585/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 -> d52f31574095462f7bebf0d97516364dd650b64428a7b12e3aa21d1b47f96325 [2024-11-13 20:17:41,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:17:41,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:17:41,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:17:41,605 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:17:41,606 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:17:41,611 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d347b41-a25e-4bc0-a871-b9916f26c585/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.UNBOUNDED.pals.c Unable to find full path for "g++" [2024-11-13 20:17:43,886 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:17:44,278 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:17:44,283 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d347b41-a25e-4bc0-a871-b9916f26c585/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.UNBOUNDED.pals.c [2024-11-13 20:17:44,302 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d347b41-a25e-4bc0-a871-b9916f26c585/bin/ukojak-verify-EEHR8qb7sm/data/a634252f9/01d42df62ef44ea2866ec00c72cb4571/FLAG74d778cd6 [2024-11-13 20:17:44,330 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d347b41-a25e-4bc0-a871-b9916f26c585/bin/ukojak-verify-EEHR8qb7sm/data/a634252f9/01d42df62ef44ea2866ec00c72cb4571 [2024-11-13 20:17:44,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:17:44,334 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:17:44,337 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:44,338 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:17:44,343 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:17:44,344 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:44" (1/1) ... [2024-11-13 20:17:44,347 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76f721fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:44, skipping insertion in model container [2024-11-13 20:17:44,347 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:44" (1/1) ... [2024-11-13 20:17:44,390 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:17:44,696 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_0d347b41-a25e-4bc0-a871-b9916f26c585/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.UNBOUNDED.pals.c[20084,20097] [2024-11-13 20:17:44,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:44,715 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:17:44,792 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_0d347b41-a25e-4bc0-a871-b9916f26c585/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.UNBOUNDED.pals.c[20084,20097] [2024-11-13 20:17:44,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:44,818 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:17:44,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:44 WrapperNode [2024-11-13 20:17:44,819 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:44,820 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:44,820 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:17:44,820 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:17:44,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:44" (1/1) ... [2024-11-13 20:17:44,838 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:44" (1/1) ... [2024-11-13 20:17:44,892 INFO L138 Inliner]: procedures = 27, calls = 18, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 458 [2024-11-13 20:17:44,892 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:44,893 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:17:44,893 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:17:44,895 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:17:44,909 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:44" (1/1) ... [2024-11-13 20:17:44,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:44" (1/1) ... [2024-11-13 20:17:44,917 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:44" (1/1) ... [2024-11-13 20:17:44,917 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:44" (1/1) ... [2024-11-13 20:17:44,931 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:44" (1/1) ... [2024-11-13 20:17:44,945 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:44" (1/1) ... [2024-11-13 20:17:44,949 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:44" (1/1) ... [2024-11-13 20:17:44,953 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:44" (1/1) ... [2024-11-13 20:17:44,959 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:17:44,964 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:17:44,964 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:17:44,964 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:17:44,969 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:44" (1/1) ... [2024-11-13 20:17:44,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:44,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d347b41-a25e-4bc0-a871-b9916f26c585/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:17:45,014 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d347b41-a25e-4bc0-a871-b9916f26c585/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:17:45,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d347b41-a25e-4bc0-a871-b9916f26c585/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:17:45,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:17:45,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:17:45,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:17:45,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:17:45,196 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:17:45,198 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:17:46,028 INFO L? ?]: Removed 50 outVars from TransFormulas that were not future-live. [2024-11-13 20:17:46,029 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:17:47,089 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:17:47,090 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:17:47,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:47 BoogieIcfgContainer [2024-11-13 20:17:47,091 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:17:47,092 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:17:47,092 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:17:47,103 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:17:47,103 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:47" (1/1) ... [2024-11-13 20:17:47,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:17:47,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:47,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-11-13 20:17:47,175 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-11-13 20:17:47,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:17:47,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:47,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:47,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:50,433 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 20:17:50,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:50,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2024-11-13 20:17:50,591 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2024-11-13 20:17:50,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:17:50,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:50,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:51,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:51,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:51,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2024-11-13 20:17:51,715 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2024-11-13 20:17:51,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:17:51,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:51,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:53,423 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 20:17:54,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:54,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2024-11-13 20:17:54,203 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-11-13 20:17:54,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:17:54,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:54,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:54,570 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 20:17:54,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:54,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2024-11-13 20:17:54,955 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2024-11-13 20:17:54,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 20:17:54,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:54,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:06,709 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:13,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:13,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2024-11-13 20:18:13,927 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2024-11-13 20:18:13,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 20:18:13,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:13,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:18:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:14,827 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:19,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:19,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 41 states and 68 transitions. [2024-11-13 20:18:19,444 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2024-11-13 20:18:19,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 20:18:19,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:19,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:18:19,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:29,318 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:37,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:37,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 50 states and 83 transitions. [2024-11-13 20:18:37,600 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 83 transitions. [2024-11-13 20:18:37,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 20:18:37,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:37,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:18:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:45,282 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:54,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:54,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 61 states and 106 transitions. [2024-11-13 20:18:54,936 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 106 transitions. [2024-11-13 20:18:54,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 20:18:54,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:54,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:18:55,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:57,850 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:19:10,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:10,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 77 states and 147 transitions. [2024-11-13 20:19:10,249 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 147 transitions. [2024-11-13 20:19:10,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 20:19:10,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:10,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:11,208 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:19:15,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:15,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2024-11-13 20:19:15,554 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2024-11-13 20:19:15,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 20:19:15,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:15,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:18,633 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:19:30,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:30,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 96 states and 188 transitions. [2024-11-13 20:19:30,905 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 188 transitions. [2024-11-13 20:19:30,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 20:19:30,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:30,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:33,901 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:19:37,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:37,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 99 states and 198 transitions. [2024-11-13 20:19:37,053 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 198 transitions. [2024-11-13 20:19:37,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 20:19:37,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:37,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:37,864 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:19:39,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:39,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 100 states and 200 transitions. [2024-11-13 20:19:39,113 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 200 transitions. [2024-11-13 20:19:39,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 20:19:39,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:39,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:39,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:33,506 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:21:56,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:56,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 125 states and 266 transitions. [2024-11-13 20:21:56,803 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 266 transitions. [2024-11-13 20:21:56,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 20:21:56,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:56,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:21:57,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:07,937 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:24:25,431 WARN L286 SmtUtils]: Spent 9.06s on a formula simplification. DAG size of input: 571 DAG size of output: 392 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:24:36,881 WARN L286 SmtUtils]: Spent 7.98s on a formula simplification. DAG size of input: 573 DAG size of output: 444 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:24:57,340 WARN L286 SmtUtils]: Spent 9.20s on a formula simplification. DAG size of input: 571 DAG size of output: 393 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:25:06,323 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification. DAG size of input: 573 DAG size of output: 445 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:25:26,289 WARN L286 SmtUtils]: Spent 9.10s on a formula simplification. DAG size of input: 573 DAG size of output: 395 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:25:35,613 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification. DAG size of input: 575 DAG size of output: 447 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:25:52,420 WARN L286 SmtUtils]: Spent 5.27s on a formula simplification. DAG size of input: 533 DAG size of output: 429 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:26:17,402 WARN L286 SmtUtils]: Spent 6.04s on a formula simplification. DAG size of input: 529 DAG size of output: 436 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:26:36,364 WARN L286 SmtUtils]: Spent 6.11s on a formula simplification. DAG size of input: 531 DAG size of output: 438 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:27:38,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:38,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 149 states and 330 transitions. [2024-11-13 20:27:38,493 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 330 transitions. [2024-11-13 20:27:38,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 20:27:38,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:38,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:27:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:09,211 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:28:25,346 WARN L286 SmtUtils]: Spent 7.12s on a formula simplification. DAG size of input: 560 DAG size of output: 387 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:28:52,699 WARN L286 SmtUtils]: Spent 7.65s on a formula simplification. DAG size of input: 561 DAG size of output: 388 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:29:18,131 WARN L286 SmtUtils]: Spent 7.21s on a formula simplification. DAG size of input: 563 DAG size of output: 390 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:29:44,874 WARN L286 SmtUtils]: Spent 8.81s on a formula simplification. DAG size of input: 584 DAG size of output: 457 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:29:52,920 WARN L286 SmtUtils]: Spent 5.41s on a formula simplification. DAG size of input: 586 DAG size of output: 530 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:30:13,958 WARN L286 SmtUtils]: Spent 9.07s on a formula simplification. DAG size of input: 591 DAG size of output: 461 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:30:20,171 WARN L286 SmtUtils]: Spent 5.62s on a formula simplification. DAG size of input: 593 DAG size of output: 537 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:30:38,778 WARN L286 SmtUtils]: Spent 9.07s on a formula simplification. DAG size of input: 593 DAG size of output: 463 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:30:45,062 WARN L286 SmtUtils]: Spent 5.67s on a formula simplification. DAG size of input: 595 DAG size of output: 539 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:31:27,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:27,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 174 states and 392 transitions. [2024-11-13 20:31:27,900 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 392 transitions. [2024-11-13 20:31:27,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 20:31:27,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:27,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:31:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:30,663 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:31:58,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:58,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 184 states and 423 transitions. [2024-11-13 20:31:58,226 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 423 transitions. [2024-11-13 20:31:58,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 20:31:58,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:58,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:31:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat