./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16ead2d-de5a-444e-9a5a-1918472cfc5d/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16ead2d-de5a-444e-9a5a-1918472cfc5d/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_d16ead2d-de5a-444e-9a5a-1918472cfc5d/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16ead2d-de5a-444e-9a5a-1918472cfc5d/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16ead2d-de5a-444e-9a5a-1918472cfc5d/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_d16ead2d-de5a-444e-9a5a-1918472cfc5d/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 aba75d5c6112bb80051134ed7f98fd80207b53da5b894be601f1f010079e2e6e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:36:08,771 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:36:08,867 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16ead2d-de5a-444e-9a5a-1918472cfc5d/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:36:08,873 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:36:08,874 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:36:08,912 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:36:08,914 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:36:08,915 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:36:08,916 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:36:08,916 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:36:08,916 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:36:08,917 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:36:08,919 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:36:08,920 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:36:08,920 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:36:08,920 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:36:08,920 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:36:08,921 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:36:08,921 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:36:08,921 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:36:08,922 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:36:08,926 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:36:08,926 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:36:08,926 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:36:08,927 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:36:08,927 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:36:08,927 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:36:08,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:36:08,928 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:36:08,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:36:08,929 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:36:08,929 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:36:08,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:36:08,931 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_d16ead2d-de5a-444e-9a5a-1918472cfc5d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16ead2d-de5a-444e-9a5a-1918472cfc5d/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aba75d5c6112bb80051134ed7f98fd80207b53da5b894be601f1f010079e2e6e [2024-11-09 00:36:09,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:36:09,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:36:09,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:36:09,203 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:36:09,225 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:36:09,227 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16ead2d-de5a-444e-9a5a-1918472cfc5d/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c Unable to find full path for "g++" [2024-11-09 00:36:11,124 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:36:11,378 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:36:11,379 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16ead2d-de5a-444e-9a5a-1918472cfc5d/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c [2024-11-09 00:36:11,390 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16ead2d-de5a-444e-9a5a-1918472cfc5d/bin/ukojak-verify-ImItNfHLgk/data/42c1b3c6c/27a9b8a81f9848939ccaa9f9d3f24f76/FLAG7cdc5fdaa [2024-11-09 00:36:11,708 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16ead2d-de5a-444e-9a5a-1918472cfc5d/bin/ukojak-verify-ImItNfHLgk/data/42c1b3c6c/27a9b8a81f9848939ccaa9f9d3f24f76 [2024-11-09 00:36:11,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:36:11,712 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:36:11,714 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:36:11,714 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:36:11,722 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:36:11,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:36:11" (1/1) ... [2024-11-09 00:36:11,725 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cc919a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:11, skipping insertion in model container [2024-11-09 00:36:11,725 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:36:11" (1/1) ... [2024-11-09 00:36:11,760 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:36:12,034 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_d16ead2d-de5a-444e-9a5a-1918472cfc5d/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c[9488,9501] [2024-11-09 00:36:12,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:36:12,048 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:36:12,100 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_d16ead2d-de5a-444e-9a5a-1918472cfc5d/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c[9488,9501] [2024-11-09 00:36:12,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:36:12,124 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:36:12,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:12 WrapperNode [2024-11-09 00:36:12,126 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:36:12,127 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:36:12,129 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:36:12,130 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:36:12,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:12" (1/1) ... [2024-11-09 00:36:12,149 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:12" (1/1) ... [2024-11-09 00:36:12,186 INFO L138 Inliner]: procedures = 24, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 314 [2024-11-09 00:36:12,189 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:36:12,189 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:36:12,190 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:36:12,190 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:36:12,203 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:12" (1/1) ... [2024-11-09 00:36:12,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:12" (1/1) ... [2024-11-09 00:36:12,207 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:12" (1/1) ... [2024-11-09 00:36:12,207 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:12" (1/1) ... [2024-11-09 00:36:12,215 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:12" (1/1) ... [2024-11-09 00:36:12,221 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:12" (1/1) ... [2024-11-09 00:36:12,223 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:12" (1/1) ... [2024-11-09 00:36:12,225 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:12" (1/1) ... [2024-11-09 00:36:12,229 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:36:12,230 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:36:12,230 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:36:12,230 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:36:12,231 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:12" (1/1) ... [2024-11-09 00:36:12,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:36:12,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16ead2d-de5a-444e-9a5a-1918472cfc5d/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:36:12,283 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16ead2d-de5a-444e-9a5a-1918472cfc5d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:36:12,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16ead2d-de5a-444e-9a5a-1918472cfc5d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:36:12,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:36:12,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:36:12,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:36:12,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:36:12,435 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:36:12,437 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:36:13,001 INFO L? ?]: Removed 39 outVars from TransFormulas that were not future-live. [2024-11-09 00:36:13,001 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:36:13,567 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:36:13,567 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:36:13,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:36:13 BoogieIcfgContainer [2024-11-09 00:36:13,568 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:36:13,569 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:36:13,569 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:36:13,580 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:36:13,581 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:36:13" (1/1) ... [2024-11-09 00:36:13,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:36:13,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:13,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-09 00:36:13,682 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-09 00:36:13,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 00:36:13,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:13,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:36:14,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,970 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 00:36:16,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:16,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-09 00:36:16,093 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-09 00:36:16,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:36:16,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:16,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:36:16,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,381 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:36:26,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:26,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2024-11-09 00:36:26,328 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2024-11-09 00:36:26,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:36:26,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:26,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:36:26,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:29,644 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:36:32,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:32,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 17 states and 29 transitions. [2024-11-09 00:36:32,709 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 29 transitions. [2024-11-09 00:36:32,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:36:32,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:32,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:36:33,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:14,781 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:37:43,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:43,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 26 states and 52 transitions. [2024-11-09 00:37:43,045 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 52 transitions. [2024-11-09 00:37:43,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:37:43,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:43,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:37:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:10,858 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:40:23,474 WARN L286 SmtUtils]: Spent 5.58s on a formula simplification. DAG size of input: 430 DAG size of output: 398 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:40:32,757 WARN L286 SmtUtils]: Spent 5.07s on a formula simplification. DAG size of input: 424 DAG size of output: 371 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:40:38,050 WARN L286 SmtUtils]: Spent 5.16s on a formula simplification. DAG size of input: 426 DAG size of output: 394 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:40:52,997 WARN L286 SmtUtils]: Spent 10.66s on a formula simplification. DAG size of input: 563 DAG size of output: 524 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:41:06,600 WARN L286 SmtUtils]: Spent 10.75s on a formula simplification. DAG size of input: 565 DAG size of output: 521 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:41:13,189 WARN L286 SmtUtils]: Spent 6.02s on a formula simplification. DAG size of input: 525 DAG size of output: 525 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:41:20,143 WARN L286 SmtUtils]: Spent 6.22s on a formula simplification. DAG size of input: 522 DAG size of output: 521 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:41:31,541 WARN L286 SmtUtils]: Spent 10.94s on a formula simplification. DAG size of input: 580 DAG size of output: 544 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:41:45,624 WARN L286 SmtUtils]: Spent 10.90s on a formula simplification. DAG size of input: 582 DAG size of output: 516 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:41:56,434 WARN L286 SmtUtils]: Spent 10.15s on a formula simplification. DAG size of input: 545 DAG size of output: 539 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:42:02,860 WARN L286 SmtUtils]: Spent 5.76s on a formula simplification. DAG size of input: 517 DAG size of output: 517 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:42:13,308 WARN L286 SmtUtils]: Spent 5.51s on a formula simplification. DAG size of input: 460 DAG size of output: 460 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:42:45,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:45,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 36 states and 82 transitions. [2024-11-09 00:42:45,824 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 82 transitions. [2024-11-09 00:42:45,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:42:45,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:45,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:50,756 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:43:14,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:43:14,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 42 states and 105 transitions. [2024-11-09 00:43:14,647 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 105 transitions. [2024-11-09 00:43:14,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:43:14,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:43:14,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:43:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,248 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:44:05,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:44:05,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 49 states and 124 transitions. [2024-11-09 00:44:05,460 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 124 transitions. [2024-11-09 00:44:05,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:44:05,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:44:05,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:44:06,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat