./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126238f4-f45f-42fa-b9ce-a2cf1bd30825/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126238f4-f45f-42fa-b9ce-a2cf1bd30825/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126238f4-f45f-42fa-b9ce-a2cf1bd30825/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126238f4-f45f-42fa-b9ce-a2cf1bd30825/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126238f4-f45f-42fa-b9ce-a2cf1bd30825/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126238f4-f45f-42fa-b9ce-a2cf1bd30825/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 308b0e1adc3ae7348985993203af7f0b3a83352e3d43ffbdb40ed727e63d4081 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:34:39,840 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:34:39,893 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126238f4-f45f-42fa-b9ce-a2cf1bd30825/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:34:39,897 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:34:39,897 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:34:39,916 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:34:39,916 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:34:39,917 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:34:39,917 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:34:39,917 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:34:39,917 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:34:39,917 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:34:39,917 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:34:39,918 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:34:39,918 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:34:39,918 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:34:39,918 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:34:39,918 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:34:39,918 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:34:39,918 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:34:39,918 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:34:39,918 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:34:39,918 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:34:39,919 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:34:39,919 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:34:39,919 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:34:39,919 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:34:39,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:34:39,919 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:34:39,919 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:34:39,919 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:34:39,919 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:34:39,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:34:39,920 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_126238f4-f45f-42fa-b9ce-a2cf1bd30825/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 308b0e1adc3ae7348985993203af7f0b3a83352e3d43ffbdb40ed727e63d4081 [2024-12-06 02:34:40,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:34:40,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:34:40,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:34:40,150 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:34:40,151 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:34:40,152 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126238f4-f45f-42fa-b9ce-a2cf1bd30825/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c [2024-12-06 02:34:42,775 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126238f4-f45f-42fa-b9ce-a2cf1bd30825/bin/ukojak-verify-CZk0znPC7b/data/44d7dd492/de1f69aed74e4329b7e0660c125a6b01/FLAGe75daab06 [2024-12-06 02:34:42,977 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:34:42,978 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126238f4-f45f-42fa-b9ce-a2cf1bd30825/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c [2024-12-06 02:34:42,986 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126238f4-f45f-42fa-b9ce-a2cf1bd30825/bin/ukojak-verify-CZk0znPC7b/data/44d7dd492/de1f69aed74e4329b7e0660c125a6b01/FLAGe75daab06 [2024-12-06 02:34:43,342 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126238f4-f45f-42fa-b9ce-a2cf1bd30825/bin/ukojak-verify-CZk0znPC7b/data/44d7dd492/de1f69aed74e4329b7e0660c125a6b01 [2024-12-06 02:34:43,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:34:43,345 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:34:43,346 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:34:43,347 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:34:43,350 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:34:43,350 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:34:43" (1/1) ... [2024-12-06 02:34:43,351 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@316bf719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:34:43, skipping insertion in model container [2024-12-06 02:34:43,351 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:34:43" (1/1) ... [2024-12-06 02:34:43,370 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:34:43,529 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_126238f4-f45f-42fa-b9ce-a2cf1bd30825/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c[9433,9446] [2024-12-06 02:34:43,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:34:43,542 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:34:43,581 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_126238f4-f45f-42fa-b9ce-a2cf1bd30825/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c[9433,9446] [2024-12-06 02:34:43,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:34:43,592 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:34:43,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:34:43 WrapperNode [2024-12-06 02:34:43,593 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:34:43,594 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:34:43,594 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:34:43,594 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:34:43,599 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:34:43" (1/1) ... [2024-12-06 02:34:43,606 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:34:43" (1/1) ... [2024-12-06 02:34:43,626 INFO L138 Inliner]: procedures = 22, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 315 [2024-12-06 02:34:43,627 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:34:43,627 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:34:43,627 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:34:43,627 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:34:43,633 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:34:43" (1/1) ... [2024-12-06 02:34:43,633 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:34:43" (1/1) ... [2024-12-06 02:34:43,635 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:34:43" (1/1) ... [2024-12-06 02:34:43,635 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:34:43" (1/1) ... [2024-12-06 02:34:43,639 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:34:43" (1/1) ... [2024-12-06 02:34:43,640 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:34:43" (1/1) ... [2024-12-06 02:34:43,644 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:34:43" (1/1) ... [2024-12-06 02:34:43,646 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:34:43" (1/1) ... [2024-12-06 02:34:43,647 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:34:43" (1/1) ... [2024-12-06 02:34:43,648 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:34:43,649 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:34:43,649 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:34:43,649 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:34:43,650 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:34:43" (1/1) ... [2024-12-06 02:34:43,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:34:43,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126238f4-f45f-42fa-b9ce-a2cf1bd30825/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:34:43,679 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126238f4-f45f-42fa-b9ce-a2cf1bd30825/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:34:43,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126238f4-f45f-42fa-b9ce-a2cf1bd30825/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:34:43,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:34:43,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:34:43,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:34:43,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:34:43,785 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:34:43,787 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:34:44,166 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2024-12-06 02:34:44,166 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:34:44,556 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:34:44,556 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:34:44,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:34:44 BoogieIcfgContainer [2024-12-06 02:34:44,556 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:34:44,557 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:34:44,557 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:34:44,567 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:34:44,567 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:34:44" (1/1) ... [2024-12-06 02:34:44,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:34:44,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:34:44,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 02:34:44,622 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 02:34:44,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:34:44,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:34:44,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:34:44,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:34:46,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:34:46,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:34:46,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2024-12-06 02:34:46,377 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2024-12-06 02:34:46,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:34:46,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:34:46,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:34:46,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:34:50,893 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:34:52,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:34:52,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 13 states and 22 transitions. [2024-12-06 02:34:52,161 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 22 transitions. [2024-12-06 02:34:52,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 02:34:52,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:34:52,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:34:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:34:53,846 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:34:55,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:34:55,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 19 states and 38 transitions. [2024-12-06 02:34:55,432 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 38 transitions. [2024-12-06 02:34:55,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 02:34:55,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:34:55,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:34:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:35:18,547 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:35:35,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:35:35,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 28 states and 67 transitions. [2024-12-06 02:35:35,643 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 67 transitions. [2024-12-06 02:35:35,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 02:35:35,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:35:35,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:35:35,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:00,422 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:36:49,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:36:49,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 38 states and 104 transitions. [2024-12-06 02:36:49,155 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 104 transitions. [2024-12-06 02:36:49,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:36:49,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:36:49,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:36:49,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:52,166 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:37:03,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:37:03,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 43 states and 129 transitions. [2024-12-06 02:37:03,489 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 129 transitions. [2024-12-06 02:37:03,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:37:03,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:37:03,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:37:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:37:06,679 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:37:43,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:37:43,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 51 states and 167 transitions. [2024-12-06 02:37:43,728 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 167 transitions. [2024-12-06 02:37:43,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 02:37:43,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:37:43,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:37:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:42:25,460 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:43:02,084 WARN L286 SmtUtils]: Spent 8.05s on a formula simplification. DAG size of input: 651 DAG size of output: 538 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:43:09,544 WARN L286 SmtUtils]: Spent 5.17s on a formula simplification. DAG size of input: 653 DAG size of output: 617 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:43:25,132 WARN L286 SmtUtils]: Spent 8.22s on a formula simplification. DAG size of input: 647 DAG size of output: 534 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:43:30,514 WARN L286 SmtUtils]: Spent 5.11s on a formula simplification. DAG size of input: 649 DAG size of output: 613 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:43:44,202 WARN L286 SmtUtils]: Spent 6.38s on a formula simplification. DAG size of input: 557 DAG size of output: 497 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:45:00,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:45:00,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 67 states and 258 transitions. [2024-12-06 02:45:00,490 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 258 transitions. [2024-12-06 02:45:00,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 02:45:00,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:45:00,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:45:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat