./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.ufo.BOUNDED-6.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_dbbdaf2f-cd5f-49d2-89c7-c11e6192ca7a/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbdaf2f-cd5f-49d2-89c7-c11e6192ca7a/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_dbbdaf2f-cd5f-49d2-89c7-c11e6192ca7a/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbdaf2f-cd5f-49d2-89c7-c11e6192ca7a/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbdaf2f-cd5f-49d2-89c7-c11e6192ca7a/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_dbbdaf2f-cd5f-49d2-89c7-c11e6192ca7a/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 76982ccfa15d5420010caf48ff31900a394710bc42d46403e291e5b0b2cbfb5b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:50:31,424 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:50:31,514 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbdaf2f-cd5f-49d2-89c7-c11e6192ca7a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 16:50:31,521 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:50:31,525 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:50:31,546 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:50:31,547 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:50:31,547 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:50:31,547 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:50:31,548 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:50:31,548 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:50:31,548 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:50:31,548 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:50:31,548 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:50:31,548 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:50:31,549 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:50:31,549 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:50:31,549 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:50:31,549 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:50:31,549 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:50:31,549 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:50:31,549 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:50:31,550 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:50:31,550 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:50:31,550 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:50:31,550 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:50:31,550 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:50:31,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:50:31,551 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:50:31,551 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:50:31,551 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:50:31,551 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:50:31,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:50:31,551 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_dbbdaf2f-cd5f-49d2-89c7-c11e6192ca7a/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 -> 76982ccfa15d5420010caf48ff31900a394710bc42d46403e291e5b0b2cbfb5b [2024-11-13 16:50:31,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:50:31,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:50:31,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:50:31,896 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:50:31,897 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:50:31,898 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbdaf2f-cd5f-49d2-89c7-c11e6192ca7a/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c Unable to find full path for "g++" [2024-11-13 16:50:33,825 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:50:34,085 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:50:34,087 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbdaf2f-cd5f-49d2-89c7-c11e6192ca7a/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c [2024-11-13 16:50:34,100 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbdaf2f-cd5f-49d2-89c7-c11e6192ca7a/bin/ukojak-verify-EEHR8qb7sm/data/914a5e068/e5f11ac1dd844d73b05449b62d0202db/FLAG8fb2214ec [2024-11-13 16:50:34,126 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbdaf2f-cd5f-49d2-89c7-c11e6192ca7a/bin/ukojak-verify-EEHR8qb7sm/data/914a5e068/e5f11ac1dd844d73b05449b62d0202db [2024-11-13 16:50:34,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:50:34,130 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:50:34,133 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:50:34,133 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:50:34,137 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:50:34,138 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:50:34" (1/1) ... [2024-11-13 16:50:34,140 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e67a136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:34, skipping insertion in model container [2024-11-13 16:50:34,141 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:50:34" (1/1) ... [2024-11-13 16:50:34,172 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:50:34,392 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_dbbdaf2f-cd5f-49d2-89c7-c11e6192ca7a/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c[6803,6816] [2024-11-13 16:50:34,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:50:34,406 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:50:34,447 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_dbbdaf2f-cd5f-49d2-89c7-c11e6192ca7a/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c[6803,6816] [2024-11-13 16:50:34,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:50:34,463 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:50:34,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:34 WrapperNode [2024-11-13 16:50:34,464 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:50:34,465 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:50:34,466 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:50:34,466 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:50:34,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:34" (1/1) ... [2024-11-13 16:50:34,480 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:34" (1/1) ... [2024-11-13 16:50:34,512 INFO L138 Inliner]: procedures = 21, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 248 [2024-11-13 16:50:34,516 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:50:34,517 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:50:34,517 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:50:34,517 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:50:34,527 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:34" (1/1) ... [2024-11-13 16:50:34,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:34" (1/1) ... [2024-11-13 16:50:34,534 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:34" (1/1) ... [2024-11-13 16:50:34,535 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:34" (1/1) ... [2024-11-13 16:50:34,544 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:34" (1/1) ... [2024-11-13 16:50:34,553 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:34" (1/1) ... [2024-11-13 16:50:34,559 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:34" (1/1) ... [2024-11-13 16:50:34,560 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:34" (1/1) ... [2024-11-13 16:50:34,567 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:50:34,568 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:50:34,568 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:50:34,568 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:50:34,569 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:34" (1/1) ... [2024-11-13 16:50:34,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:50:34,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbdaf2f-cd5f-49d2-89c7-c11e6192ca7a/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:50:34,622 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbdaf2f-cd5f-49d2-89c7-c11e6192ca7a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:50:34,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbdaf2f-cd5f-49d2-89c7-c11e6192ca7a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:50:34,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:50:34,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:50:34,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:50:34,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:50:34,750 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:50:34,753 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:50:35,235 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-13 16:50:35,235 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:50:35,679 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:50:35,679 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:50:35,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:50:35 BoogieIcfgContainer [2024-11-13 16:50:35,680 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:50:35,681 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:50:35,681 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:50:35,690 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:50:35,690 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:50:35" (1/1) ... [2024-11-13 16:50:35,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:50:35,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:50:35,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 16:50:35,746 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 16:50:35,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:50:35,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:50:35,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:50:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:50:37,474 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 16:50:37,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:50:37,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2024-11-13 16:50:37,600 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2024-11-13 16:50:37,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:50:37,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:50:37,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:50:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:50:41,876 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 16:50:43,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:50:43,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 13 states and 22 transitions. [2024-11-13 16:50:43,199 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 22 transitions. [2024-11-13 16:50:43,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 16:50:43,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:50:43,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:50:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:50:45,501 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 16:50:48,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:50:48,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 18 states and 35 transitions. [2024-11-13 16:50:48,327 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 35 transitions. [2024-11-13 16:50:48,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:50:48,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:50:48,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:50:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:51:15,873 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 16:51:32,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:51:32,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 28 states and 65 transitions. [2024-11-13 16:51:32,234 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 65 transitions. [2024-11-13 16:51:32,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:51:32,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:51:32,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:51:32,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:04,335 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 16:52:44,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:52:44,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 38 states and 100 transitions. [2024-11-13 16:52:44,334 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 100 transitions. [2024-11-13 16:52:44,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 16:52:44,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:52:44,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:52:44,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:46,820 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:53:00,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:00,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 44 states and 125 transitions. [2024-11-13 16:53:00,150 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 125 transitions. [2024-11-13 16:53:00,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 16:53:00,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:00,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:53:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:02,329 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 16:53:17,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:17,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 50 states and 149 transitions. [2024-11-13 16:53:17,522 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 149 transitions. [2024-11-13 16:53:17,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 16:53:17,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:17,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:53:18,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:54:54,567 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:56:51,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:56:51,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 66 states and 224 transitions. [2024-11-13 16:56:51,549 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 224 transitions. [2024-11-13 16:56:51,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 16:56:51,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:56:51,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:56:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:58:39,262 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:58:55,539 WARN L286 SmtUtils]: Spent 5.34s on a formula simplification. DAG size of input: 393 DAG size of output: 270 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:59:09,649 WARN L286 SmtUtils]: Spent 5.13s on a formula simplification. DAG size of input: 389 DAG size of output: 266 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:59:40,034 WARN L286 SmtUtils]: Spent 9.77s on a formula simplification. DAG size of input: 487 DAG size of output: 426 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:59:47,234 WARN L286 SmtUtils]: Spent 5.39s on a formula simplification. DAG size of input: 489 DAG size of output: 482 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 17:00:06,530 WARN L286 SmtUtils]: Spent 11.11s on a formula simplification. DAG size of input: 483 DAG size of output: 422 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 17:00:13,068 WARN L286 SmtUtils]: Spent 6.23s on a formula simplification. DAG size of input: 485 DAG size of output: 478 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 17:00:28,207 WARN L286 SmtUtils]: Spent 5.34s on a formula simplification. DAG size of input: 313 DAG size of output: 269 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 17:01:41,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:01:41,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 81 states and 299 transitions. [2024-11-13 17:01:41,425 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 299 transitions. [2024-11-13 17:01:41,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 17:01:41,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:01:41,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:01:41,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat