./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecf3128-a143-44ae-9b2d-6ae303b17e63/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecf3128-a143-44ae-9b2d-6ae303b17e63/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_eecf3128-a143-44ae-9b2d-6ae303b17e63/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecf3128-a143-44ae-9b2d-6ae303b17e63/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecf3128-a143-44ae-9b2d-6ae303b17e63/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_eecf3128-a143-44ae-9b2d-6ae303b17e63/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 2d5a83ebadca07865f87524ca234843199e1b35abf1f6d3ef3a25954ede1db9e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:02:26,697 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:02:26,805 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecf3128-a143-44ae-9b2d-6ae303b17e63/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:02:26,815 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:02:26,816 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:02:26,854 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:02:26,855 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:02:26,856 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:02:26,857 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:02:26,858 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:02:26,858 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:02:26,859 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:02:26,859 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:02:26,860 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:02:26,863 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:02:26,863 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:02:26,864 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:02:26,864 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:02:26,865 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:02:26,865 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:02:26,865 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:02:26,871 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:02:26,871 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:02:26,871 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:02:26,872 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:02:26,872 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:02:26,873 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:02:26,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:02:26,874 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:02:26,874 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:02:26,877 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:02:26,877 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:02:26,878 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:02:26,878 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_eecf3128-a143-44ae-9b2d-6ae303b17e63/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecf3128-a143-44ae-9b2d-6ae303b17e63/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d5a83ebadca07865f87524ca234843199e1b35abf1f6d3ef3a25954ede1db9e [2024-11-09 00:02:27,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:02:27,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:02:27,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:02:27,236 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:02:27,237 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:02:27,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecf3128-a143-44ae-9b2d-6ae303b17e63/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c Unable to find full path for "g++" [2024-11-09 00:02:29,457 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:02:29,716 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:02:29,716 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecf3128-a143-44ae-9b2d-6ae303b17e63/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c [2024-11-09 00:02:29,733 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecf3128-a143-44ae-9b2d-6ae303b17e63/bin/ukojak-verify-ImItNfHLgk/data/f4db5a26b/4996101298b64ea7bc5220b123b99312/FLAGa2e1088ce [2024-11-09 00:02:30,047 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecf3128-a143-44ae-9b2d-6ae303b17e63/bin/ukojak-verify-ImItNfHLgk/data/f4db5a26b/4996101298b64ea7bc5220b123b99312 [2024-11-09 00:02:30,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:02:30,051 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:02:30,053 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:02:30,053 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:02:30,061 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:02:30,062 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:02:30" (1/1) ... [2024-11-09 00:02:30,065 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64a71a61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:30, skipping insertion in model container [2024-11-09 00:02:30,065 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:02:30" (1/1) ... [2024-11-09 00:02:30,111 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:02:30,483 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_eecf3128-a143-44ae-9b2d-6ae303b17e63/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c[12792,12805] [2024-11-09 00:02:30,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:02:30,503 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:02:30,572 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_eecf3128-a143-44ae-9b2d-6ae303b17e63/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c[12792,12805] [2024-11-09 00:02:30,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:02:30,603 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:02:30,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:30 WrapperNode [2024-11-09 00:02:30,603 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:02:30,605 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:02:30,605 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:02:30,605 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:02:30,617 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:30" (1/1) ... [2024-11-09 00:02:30,632 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:30" (1/1) ... [2024-11-09 00:02:30,678 INFO L138 Inliner]: procedures = 24, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 385 [2024-11-09 00:02:30,679 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:02:30,680 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:02:30,680 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:02:30,680 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:02:30,702 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:30" (1/1) ... [2024-11-09 00:02:30,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:30" (1/1) ... [2024-11-09 00:02:30,709 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:30" (1/1) ... [2024-11-09 00:02:30,710 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:30" (1/1) ... [2024-11-09 00:02:30,720 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:30" (1/1) ... [2024-11-09 00:02:30,727 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:30" (1/1) ... [2024-11-09 00:02:30,731 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:30" (1/1) ... [2024-11-09 00:02:30,733 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:30" (1/1) ... [2024-11-09 00:02:30,740 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:02:30,741 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:02:30,741 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:02:30,741 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:02:30,742 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:30" (1/1) ... [2024-11-09 00:02:30,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:02:30,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecf3128-a143-44ae-9b2d-6ae303b17e63/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:02:30,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecf3128-a143-44ae-9b2d-6ae303b17e63/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:02:30,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecf3128-a143-44ae-9b2d-6ae303b17e63/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:02:30,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:02:30,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:02:30,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:02:30,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:02:31,014 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:02:31,017 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:02:31,781 INFO L? ?]: Removed 46 outVars from TransFormulas that were not future-live. [2024-11-09 00:02:31,781 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:02:32,622 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:02:32,623 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:02:32,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:02:32 BoogieIcfgContainer [2024-11-09 00:02:32,624 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:02:32,625 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:02:32,626 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:02:32,637 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:02:32,637 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:02:32" (1/1) ... [2024-11-09 00:02:32,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:02:32,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:32,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-09 00:02:32,725 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-09 00:02:32,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:02:32,730 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:32,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:35,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:35,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:35,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2024-11-09 00:02:35,864 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2024-11-09 00:02:35,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:02:35,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:35,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:36,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:53,861 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:56,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:56,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 18 states and 31 transitions. [2024-11-09 00:02:56,225 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 31 transitions. [2024-11-09 00:02:56,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:02:56,228 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:56,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:00,516 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:03:05,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:05,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 28 states and 55 transitions. [2024-11-09 00:03:05,415 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 55 transitions. [2024-11-09 00:03:05,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:03:05,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:03:05,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:03:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:11,112 WARN L286 SmtUtils]: Spent 6.11s on a formula simplification. DAG size of input: 424 DAG size of output: 419 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:15:50,770 WARN L286 SmtUtils]: Spent 9.62s on a formula simplification. DAG size of input: 741 DAG size of output: 693 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)