./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6375c0c-fc23-4334-95b5-fdde44d31181/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6375c0c-fc23-4334-95b5-fdde44d31181/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6375c0c-fc23-4334-95b5-fdde44d31181/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6375c0c-fc23-4334-95b5-fdde44d31181/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6375c0c-fc23-4334-95b5-fdde44d31181/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6375c0c-fc23-4334-95b5-fdde44d31181/bin/ukojak-verify-ImItNfHLgk --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 9db88713350d7306821dd75614e70e6b858505d66168ef8348e173e7f0890ab2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:20:34,350 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:20:34,466 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6375c0c-fc23-4334-95b5-fdde44d31181/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:20:34,474 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:20:34,475 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:20:34,516 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:20:34,520 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:20:34,520 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:20:34,522 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:20:34,523 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:20:34,524 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:20:34,525 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:20:34,525 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:20:34,526 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:20:34,526 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:20:34,527 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:20:34,527 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:20:34,531 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:20:34,531 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:20:34,532 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:20:34,532 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:20:34,537 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:20:34,537 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:20:34,538 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:20:34,538 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:20:34,539 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:20:34,539 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:20:34,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:20:34,541 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:20:34,541 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:20:34,542 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:20:34,543 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:20:34,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:20:34,544 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6375c0c-fc23-4334-95b5-fdde44d31181/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6375c0c-fc23-4334-95b5-fdde44d31181/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9db88713350d7306821dd75614e70e6b858505d66168ef8348e173e7f0890ab2 [2024-11-08 22:20:34,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:20:34,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:20:34,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:20:34,962 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:20:34,962 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:20:34,964 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6375c0c-fc23-4334-95b5-fdde44d31181/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c Unable to find full path for "g++" [2024-11-08 22:20:37,282 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:20:37,551 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:20:37,552 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6375c0c-fc23-4334-95b5-fdde44d31181/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c [2024-11-08 22:20:37,566 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6375c0c-fc23-4334-95b5-fdde44d31181/bin/ukojak-verify-ImItNfHLgk/data/59566eecd/5acfbfd558f6464498262f3f2337f180/FLAGdce681e14 [2024-11-08 22:20:37,583 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6375c0c-fc23-4334-95b5-fdde44d31181/bin/ukojak-verify-ImItNfHLgk/data/59566eecd/5acfbfd558f6464498262f3f2337f180 [2024-11-08 22:20:37,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:20:37,588 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:20:37,594 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:20:37,595 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:20:37,601 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:20:37,603 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:20:37" (1/1) ... [2024-11-08 22:20:37,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f834eea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:37, skipping insertion in model container [2024-11-08 22:20:37,606 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:20:37" (1/1) ... [2024-11-08 22:20:37,650 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:20:38,045 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_e6375c0c-fc23-4334-95b5-fdde44d31181/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c[9529,9542] [2024-11-08 22:20:38,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:20:38,078 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:20:38,179 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_e6375c0c-fc23-4334-95b5-fdde44d31181/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c[9529,9542] [2024-11-08 22:20:38,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:20:38,205 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:20:38,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:38 WrapperNode [2024-11-08 22:20:38,206 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:20:38,207 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:20:38,207 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:20:38,208 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:20:38,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:38" (1/1) ... [2024-11-08 22:20:38,233 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:38" (1/1) ... [2024-11-08 22:20:38,298 INFO L138 Inliner]: procedures = 24, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 315 [2024-11-08 22:20:38,306 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:20:38,307 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:20:38,307 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:20:38,307 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:20:38,324 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:38" (1/1) ... [2024-11-08 22:20:38,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:38" (1/1) ... [2024-11-08 22:20:38,328 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:38" (1/1) ... [2024-11-08 22:20:38,331 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:38" (1/1) ... [2024-11-08 22:20:38,345 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:38" (1/1) ... [2024-11-08 22:20:38,359 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:38" (1/1) ... [2024-11-08 22:20:38,369 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:38" (1/1) ... [2024-11-08 22:20:38,371 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:38" (1/1) ... [2024-11-08 22:20:38,380 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:20:38,384 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:20:38,384 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:20:38,385 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:20:38,386 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:38" (1/1) ... [2024-11-08 22:20:38,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:20:38,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6375c0c-fc23-4334-95b5-fdde44d31181/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:20:38,426 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6375c0c-fc23-4334-95b5-fdde44d31181/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:20:38,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6375c0c-fc23-4334-95b5-fdde44d31181/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:20:38,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:20:38,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:20:38,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:20:38,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:20:38,606 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:20:38,610 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:20:39,284 INFO L? ?]: Removed 39 outVars from TransFormulas that were not future-live. [2024-11-08 22:20:39,284 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:20:39,998 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:20:39,998 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:20:39,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:20:39 BoogieIcfgContainer [2024-11-08 22:20:39,999 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:20:40,001 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:20:40,001 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:20:40,014 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:20:40,014 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:20:39" (1/1) ... [2024-11-08 22:20:40,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:20:40,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:40,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 22:20:40,094 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 22:20:40,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:20:40,097 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:40,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:20:40,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:42,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:20:42,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:42,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-08 22:20:42,807 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-08 22:20:42,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:20:42,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:42,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:20:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:51,757 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:20:53,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:53,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2024-11-08 22:20:53,864 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2024-11-08 22:20:53,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:20:53,866 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:53,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:20:54,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:57,510 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:21:00,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:00,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 18 states and 33 transitions. [2024-11-08 22:21:00,055 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 33 transitions. [2024-11-08 22:21:00,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:21:00,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:00,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:00,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:06,007 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:22:33,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:33,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 27 states and 58 transitions. [2024-11-08 22:22:33,906 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 58 transitions. [2024-11-08 22:22:33,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:22:33,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:33,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:34,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:04,973 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:24:01,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:01,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 37 states and 88 transitions. [2024-11-08 22:24:01,671 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 88 transitions. [2024-11-08 22:24:01,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 22:24:01,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:01,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:24:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:06,270 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:24:20,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:20,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 43 states and 106 transitions. [2024-11-08 22:24:20,773 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 106 transitions. [2024-11-08 22:24:20,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 22:24:20,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:20,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:24:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:32,156 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:25:32,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:32,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 55 states and 145 transitions. [2024-11-08 22:25:32,123 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 145 transitions. [2024-11-08 22:25:32,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 22:25:32,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:32,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:25:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:01,908 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:32:13,586 WARN L286 SmtUtils]: Spent 5.30s on a formula simplification. DAG size of input: 527 DAG size of output: 438 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:32:25,668 WARN L286 SmtUtils]: Spent 5.14s on a formula simplification. DAG size of input: 523 DAG size of output: 434 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:32:42,743 WARN L286 SmtUtils]: Spent 12.64s on a formula simplification. DAG size of input: 760 DAG size of output: 573 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:32:59,116 WARN L286 SmtUtils]: Spent 12.86s on a formula simplification. DAG size of input: 762 DAG size of output: 709 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:33:05,949 WARN L286 SmtUtils]: Spent 5.79s on a formula simplification. DAG size of input: 574 DAG size of output: 572 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:33:24,640 WARN L286 SmtUtils]: Spent 12.81s on a formula simplification. DAG size of input: 756 DAG size of output: 569 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:33:38,050 WARN L286 SmtUtils]: Spent 13.01s on a formula simplification. DAG size of input: 758 DAG size of output: 705 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:33:45,057 WARN L286 SmtUtils]: Spent 5.88s on a formula simplification. DAG size of input: 570 DAG size of output: 568 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:34:00,014 WARN L286 SmtUtils]: Spent 9.33s on a formula simplification. DAG size of input: 698 DAG size of output: 565 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:34:12,082 WARN L286 SmtUtils]: Spent 11.64s on a formula simplification. DAG size of input: 700 DAG size of output: 679 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:34:34,553 WARN L286 SmtUtils]: Spent 12.32s on a formula simplification. DAG size of input: 723 DAG size of output: 668 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)