./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound20.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_2ec60291-07cd-4b84-a405-4d56768ad500/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec60291-07cd-4b84-a405-4d56768ad500/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_2ec60291-07cd-4b84-a405-4d56768ad500/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec60291-07cd-4b84-a405-4d56768ad500/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec60291-07cd-4b84-a405-4d56768ad500/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_2ec60291-07cd-4b84-a405-4d56768ad500/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 41de47755c46f2f4de69961f8458c254f5c62632809005d7de26bd26c8032b2a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:19:49,625 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:19:49,732 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec60291-07cd-4b84-a405-4d56768ad500/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:19:49,745 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:19:49,747 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:19:49,775 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:19:49,776 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:19:49,776 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:19:49,776 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:19:49,777 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:19:49,777 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:19:49,777 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:19:49,777 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:19:49,777 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:19:49,777 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:19:49,778 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:19:49,778 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:19:49,778 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:19:49,778 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:19:49,778 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:19:49,778 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:19:49,778 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:19:49,779 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:19:49,779 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:19:49,779 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:19:49,779 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:19:49,779 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:19:49,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:19:49,780 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:19:49,780 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:19:49,780 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:19:49,780 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:19:49,780 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:19:49,780 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_2ec60291-07cd-4b84-a405-4d56768ad500/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 -> 41de47755c46f2f4de69961f8458c254f5c62632809005d7de26bd26c8032b2a [2024-11-13 20:19:50,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:19:50,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:19:50,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:19:50,142 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:19:50,143 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:19:50,145 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec60291-07cd-4b84-a405-4d56768ad500/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound20.c Unable to find full path for "g++" [2024-11-13 20:19:52,253 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:19:52,500 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:19:52,501 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec60291-07cd-4b84-a405-4d56768ad500/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound20.c [2024-11-13 20:19:52,509 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec60291-07cd-4b84-a405-4d56768ad500/bin/ukojak-verify-EEHR8qb7sm/data/e5687856b/f3da4cb473714ac4915030bb25b3c35c/FLAG7b4890ddc [2024-11-13 20:19:52,525 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec60291-07cd-4b84-a405-4d56768ad500/bin/ukojak-verify-EEHR8qb7sm/data/e5687856b/f3da4cb473714ac4915030bb25b3c35c [2024-11-13 20:19:52,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:19:52,529 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:19:52,530 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:19:52,530 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:19:52,535 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:19:52,536 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:19:52" (1/1) ... [2024-11-13 20:19:52,537 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fb15e6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:52, skipping insertion in model container [2024-11-13 20:19:52,538 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:19:52" (1/1) ... [2024-11-13 20:19:52,552 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:19:52,696 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_2ec60291-07cd-4b84-a405-4d56768ad500/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound20.c[546,559] [2024-11-13 20:19:52,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:19:52,727 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:19:52,746 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_2ec60291-07cd-4b84-a405-4d56768ad500/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound20.c[546,559] [2024-11-13 20:19:52,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:19:52,778 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:19:52,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:52 WrapperNode [2024-11-13 20:19:52,778 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:19:52,779 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:19:52,779 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:19:52,780 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:19:52,787 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:52" (1/1) ... [2024-11-13 20:19:52,794 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:52" (1/1) ... [2024-11-13 20:19:52,815 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2024-11-13 20:19:52,817 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:19:52,817 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:19:52,818 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:19:52,818 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:19:52,825 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:52" (1/1) ... [2024-11-13 20:19:52,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:52" (1/1) ... [2024-11-13 20:19:52,827 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:52" (1/1) ... [2024-11-13 20:19:52,828 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:52" (1/1) ... [2024-11-13 20:19:52,830 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:52" (1/1) ... [2024-11-13 20:19:52,837 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:52" (1/1) ... [2024-11-13 20:19:52,838 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:52" (1/1) ... [2024-11-13 20:19:52,841 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:52" (1/1) ... [2024-11-13 20:19:52,843 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:19:52,844 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:19:52,844 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:19:52,844 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:19:52,845 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:52" (1/1) ... [2024-11-13 20:19:52,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:19:52,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec60291-07cd-4b84-a405-4d56768ad500/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:19:52,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec60291-07cd-4b84-a405-4d56768ad500/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:19:52,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec60291-07cd-4b84-a405-4d56768ad500/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:19:52,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:19:52,918 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 20:19:52,918 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 20:19:52,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:19:52,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:19:52,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:19:52,918 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:19:52,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:19:52,993 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:19:52,996 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:19:53,190 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 20:19:53,190 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:19:53,235 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:19:53,235 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:19:53,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:19:53 BoogieIcfgContainer [2024-11-13 20:19:53,235 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:19:53,236 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:19:53,237 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:19:53,247 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:19:53,247 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:19:53" (1/1) ... [2024-11-13 20:19:53,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:19:53,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:53,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-13 20:19:53,325 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-13 20:19:53,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 20:19:53,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:53,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:53,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:53,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:19:53,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:53,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2024-11-13 20:19:53,484 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2024-11-13 20:19:53,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 20:19:53,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:53,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:53,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:19:53,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:53,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 20:19:53,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:53,706 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:19:53,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:53,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2024-11-13 20:19:53,825 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2024-11-13 20:19:53,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 20:19:53,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:53,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:54,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:19:54,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:54,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 36 transitions. [2024-11-13 20:19:54,372 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-11-13 20:19:54,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 20:19:54,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:54,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:55,441 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:19:56,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:56,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 37 transitions. [2024-11-13 20:19:56,135 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2024-11-13 20:19:56,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 20:19:56,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:56,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:56,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:19:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:56,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 20:19:56,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:56,622 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:19:59,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:59,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 50 transitions. [2024-11-13 20:19:59,581 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2024-11-13 20:19:59,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 20:19:59,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:59,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:59,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:19:59,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:59,699 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 20:19:59,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:00,093 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:20:05,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:05,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 57 transitions. [2024-11-13 20:20:05,135 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2024-11-13 20:20:05,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 20:20:05,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:05,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:05,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:05,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 20:20:05,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:05,772 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-13 20:20:17,441 WARN L286 SmtUtils]: Spent 10.25s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:20:28,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:20:28,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:28,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 44 states and 64 transitions. [2024-11-13 20:20:28,305 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2024-11-13 20:20:28,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 20:20:28,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:28,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:28,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 20:20:28,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:39,835 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 8 proven. 37 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-13 20:21:58,281 WARN L286 SmtUtils]: Spent 10.91s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:22:13,898 WARN L286 SmtUtils]: Spent 9.01s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:22:15,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:15,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 63 states and 98 transitions. [2024-11-13 20:22:15,147 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 98 transitions. [2024-11-13 20:22:15,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 20:22:15,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:15,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:22:15,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:22:15,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:15,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-13 20:22:15,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:22:15,886 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 10 proven. 56 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-13 20:22:28,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:28,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 67 states and 105 transitions. [2024-11-13 20:22:28,473 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 105 transitions. [2024-11-13 20:22:28,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 20:22:28,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:28,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:22:28,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:22:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:28,636 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-13 20:22:28,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:22:39,480 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 12 proven. 79 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-13 20:22:58,056 WARN L286 SmtUtils]: Spent 18.04s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:23:22,642 WARN L286 SmtUtils]: Spent 21.78s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:23:28,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:28,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 71 states and 112 transitions. [2024-11-13 20:23:28,938 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 112 transitions. [2024-11-13 20:23:28,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-13 20:23:28,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:28,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:23:28,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:23:29,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:29,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 20:23:29,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:30,066 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 14 proven. 106 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-13 20:24:05,582 WARN L286 SmtUtils]: Spent 35.02s on a formula simplification that was a NOOP. DAG size: 57 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:24:36,925 WARN L286 SmtUtils]: Spent 29.87s on a formula simplification that was a NOOP. DAG size: 58 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:24:41,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:41,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 75 states and 119 transitions. [2024-11-13 20:24:41,695 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 119 transitions. [2024-11-13 20:24:41,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-13 20:24:41,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:41,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:24:41,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:24:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:41,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-13 20:24:41,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:24:44,133 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 16 proven. 137 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-13 20:25:27,955 WARN L286 SmtUtils]: Spent 43.35s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:26:21,014 WARN L286 SmtUtils]: Spent 48.47s on a formula simplification that was a NOOP. DAG size: 64 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:26:49,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:26:52,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.41s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:26:52,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:52,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 79 states and 126 transitions. [2024-11-13 20:26:52,622 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 126 transitions. [2024-11-13 20:26:52,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-13 20:26:52,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:52,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:26:52,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:26:52,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:52,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-13 20:26:52,873 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:55,277 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 18 proven. 172 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 20:28:15,321 WARN L286 SmtUtils]: Spent 1.30m on a formula simplification that was a NOOP. DAG size: 69 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:29:30,036 WARN L286 SmtUtils]: Spent 1.13m on a formula simplification that was a NOOP. DAG size: 70 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:29:52,920 WARN L286 SmtUtils]: Spent 15.32s on a formula simplification that was a NOOP. DAG size: 66 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:30:06,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:06,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 83 states and 133 transitions. [2024-11-13 20:30:06,572 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 133 transitions. [2024-11-13 20:30:06,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-13 20:30:06,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:06,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:30:06,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:30:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:06,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-13 20:30:06,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:30:15,378 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 20 proven. 211 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-11-13 20:32:22,234 WARN L286 SmtUtils]: Spent 1.91m on a formula simplification that was a NOOP. DAG size: 75 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:33:47,066 WARN L286 SmtUtils]: Spent 1.12m on a formula simplification that was a NOOP. DAG size: 76 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:33:48,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:33:50,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:34:06,538 WARN L286 SmtUtils]: Spent 6.04s on a formula simplification that was a NOOP. DAG size: 72 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:34:27,262 WARN L286 SmtUtils]: Spent 8.43s on a formula simplification that was a NOOP. DAG size: 73 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:34:34,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.92s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:34:35,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:34:37,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:34:40,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.76s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:34:45,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.52s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:34:45,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:34:45,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 87 states and 141 transitions. [2024-11-13 20:34:45,992 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 141 transitions. [2024-11-13 20:34:45,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-13 20:34:45,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:34:45,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:34:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:34:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:34:46,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-11-13 20:34:46,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:35:09,305 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 22 proven. 254 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked.