./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.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_aace1a2b-c79a-4f59-af02-fb11e6f3d0e6/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aace1a2b-c79a-4f59-af02-fb11e6f3d0e6/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_aace1a2b-c79a-4f59-af02-fb11e6f3d0e6/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aace1a2b-c79a-4f59-af02-fb11e6f3d0e6/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aace1a2b-c79a-4f59-af02-fb11e6f3d0e6/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_aace1a2b-c79a-4f59-af02-fb11e6f3d0e6/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 c82e02bad63eada28ee405f8cd74dfaf9484d0aadaa27f27fe076fa722fdcdb7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:04:45,872 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:04:45,999 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aace1a2b-c79a-4f59-af02-fb11e6f3d0e6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:04:46,008 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:04:46,009 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:04:46,046 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:04:46,048 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:04:46,049 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:04:46,049 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:04:46,049 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:04:46,050 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:04:46,050 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:04:46,050 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:04:46,051 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:04:46,051 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:04:46,051 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:04:46,053 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:04:46,053 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:04:46,054 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:04:46,054 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:04:46,054 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:04:46,054 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:04:46,054 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:04:46,055 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:04:46,055 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:04:46,055 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:04:46,055 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:04:46,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:04:46,055 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:04:46,055 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:04:46,056 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:04:46,056 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:04:46,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:04:46,056 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_aace1a2b-c79a-4f59-af02-fb11e6f3d0e6/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 -> c82e02bad63eada28ee405f8cd74dfaf9484d0aadaa27f27fe076fa722fdcdb7 [2024-11-13 21:04:46,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:04:46,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:04:46,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:04:46,507 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:04:46,507 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:04:46,509 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aace1a2b-c79a-4f59-af02-fb11e6f3d0e6/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.UNBOUNDED.pals.c Unable to find full path for "g++" [2024-11-13 21:04:48,863 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:04:49,288 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:04:49,289 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aace1a2b-c79a-4f59-af02-fb11e6f3d0e6/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.UNBOUNDED.pals.c [2024-11-13 21:04:49,302 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aace1a2b-c79a-4f59-af02-fb11e6f3d0e6/bin/ukojak-verify-EEHR8qb7sm/data/3edcea138/a9daf88ee812498e8aa3963c17119a50/FLAGadb41bd61 [2024-11-13 21:04:49,320 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aace1a2b-c79a-4f59-af02-fb11e6f3d0e6/bin/ukojak-verify-EEHR8qb7sm/data/3edcea138/a9daf88ee812498e8aa3963c17119a50 [2024-11-13 21:04:49,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:04:49,325 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:04:49,326 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:04:49,327 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:04:49,332 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:04:49,334 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:04:49" (1/1) ... [2024-11-13 21:04:49,335 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@505cd523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:49, skipping insertion in model container [2024-11-13 21:04:49,335 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:04:49" (1/1) ... [2024-11-13 21:04:49,368 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:04:49,728 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_aace1a2b-c79a-4f59-af02-fb11e6f3d0e6/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.UNBOUNDED.pals.c[16852,16865] [2024-11-13 21:04:49,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:04:49,748 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:04:49,819 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_aace1a2b-c79a-4f59-af02-fb11e6f3d0e6/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.UNBOUNDED.pals.c[16852,16865] [2024-11-13 21:04:49,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:04:49,841 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:04:49,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:49 WrapperNode [2024-11-13 21:04:49,842 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:04:49,843 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:04:49,843 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:04:49,843 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:04:49,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:49" (1/1) ... [2024-11-13 21:04:49,860 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:49" (1/1) ... [2024-11-13 21:04:49,903 INFO L138 Inliner]: procedures = 26, calls = 17, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 450 [2024-11-13 21:04:49,903 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:04:49,904 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:04:49,904 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:04:49,904 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:04:49,914 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:49" (1/1) ... [2024-11-13 21:04:49,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:49" (1/1) ... [2024-11-13 21:04:49,920 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:49" (1/1) ... [2024-11-13 21:04:49,920 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:49" (1/1) ... [2024-11-13 21:04:49,941 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:49" (1/1) ... [2024-11-13 21:04:49,953 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:49" (1/1) ... [2024-11-13 21:04:49,955 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:49" (1/1) ... [2024-11-13 21:04:49,957 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:49" (1/1) ... [2024-11-13 21:04:49,962 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:04:49,963 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:04:49,963 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:04:49,963 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:04:49,964 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:49" (1/1) ... [2024-11-13 21:04:49,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:04:49,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aace1a2b-c79a-4f59-af02-fb11e6f3d0e6/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:04:50,009 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aace1a2b-c79a-4f59-af02-fb11e6f3d0e6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:04:50,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aace1a2b-c79a-4f59-af02-fb11e6f3d0e6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:04:50,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:04:50,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:04:50,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:04:50,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:04:50,200 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:04:50,202 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:04:50,983 INFO L? ?]: Removed 51 outVars from TransFormulas that were not future-live. [2024-11-13 21:04:50,984 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:04:51,836 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:04:51,836 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:04:51,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:04:51 BoogieIcfgContainer [2024-11-13 21:04:51,837 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:04:51,839 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:04:51,839 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:04:51,850 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:04:51,851 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:04:51" (1/1) ... [2024-11-13 21:04:51,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:04:51,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:04:51,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:04:51,926 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:04:51,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:04:51,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:04:51,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:04:52,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:04:55,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:04:55,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:04:55,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 21:04:55,815 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 21:04:55,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:04:55,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:04:55,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:04:56,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:05:08,468 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:05:11,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:05:11,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2024-11-13 21:05:11,323 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2024-11-13 21:05:11,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:05:11,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:05:11,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:05:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:05:16,383 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:05:19,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:05:19,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 17 states and 29 transitions. [2024-11-13 21:05:19,934 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 29 transitions. [2024-11-13 21:05:19,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:05:19,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:05:19,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:05:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:06:49,340 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:07:24,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:24,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 26 states and 52 transitions. [2024-11-13 21:07:24,213 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 52 transitions. [2024-11-13 21:07:24,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:07:24,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:24,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:25,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:11:09,333 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:11:23,667 WARN L286 SmtUtils]: Spent 5.29s on a formula simplification. DAG size of input: 598 DAG size of output: 469 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:11:40,610 WARN L286 SmtUtils]: Spent 5.05s on a formula simplification. DAG size of input: 594 DAG size of output: 465 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:11:56,673 WARN L286 SmtUtils]: Spent 8.84s on a formula simplification. DAG size of input: 649 DAG size of output: 549 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:12:07,726 WARN L286 SmtUtils]: Spent 6.45s on a formula simplification. DAG size of input: 622 DAG size of output: 568 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:12:13,688 WARN L286 SmtUtils]: Spent 5.30s on a formula simplification. DAG size of input: 550 DAG size of output: 540 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:12:20,332 WARN L286 SmtUtils]: Spent 5.95s on a formula simplification. DAG size of input: 569 DAG size of output: 566 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:12:27,504 WARN L286 SmtUtils]: Spent 6.41s on a formula simplification. DAG size of input: 616 DAG size of output: 553 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:12:36,206 WARN L286 SmtUtils]: Spent 5.85s on a formula simplification. DAG size of input: 618 DAG size of output: 574 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:12:43,197 WARN L286 SmtUtils]: Spent 6.23s on a formula simplification. DAG size of input: 554 DAG size of output: 548 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:12:49,069 WARN L286 SmtUtils]: Spent 5.17s on a formula simplification. DAG size of input: 575 DAG size of output: 572 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:13:24,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:24,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 36 states and 80 transitions. [2024-11-13 21:13:24,269 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 80 transitions. [2024-11-13 21:13:24,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:13:24,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:24,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:30,161 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:13:49,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:49,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 41 states and 90 transitions. [2024-11-13 21:13:49,771 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 90 transitions. [2024-11-13 21:13:49,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:13:49,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:49,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:50,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:56,488 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:14:26,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:14:26,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 47 states and 112 transitions. [2024-11-13 21:14:26,628 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 112 transitions. [2024-11-13 21:14:26,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:14:26,629 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:14:26,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:14:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat