./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/verifythis/elimination_max.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc 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_837c87ee-8858-4bf3-bf3b-0dc717900c70/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_837c87ee-8858-4bf3-bf3b-0dc717900c70/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_837c87ee-8858-4bf3-bf3b-0dc717900c70/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_837c87ee-8858-4bf3-bf3b-0dc717900c70/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/verifythis/elimination_max.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_837c87ee-8858-4bf3-bf3b-0dc717900c70/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_837c87ee-8858-4bf3-bf3b-0dc717900c70/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0bc7b1b837bfd7794f122f6504da8d835bb2276ae4afe0cc0d058d385032d49e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:56:04,214 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:56:04,323 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_837c87ee-8858-4bf3-bf3b-0dc717900c70/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 22:56:04,336 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:56:04,337 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:56:04,379 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:56:04,382 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:56:04,382 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:56:04,384 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:56:04,389 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:56:04,390 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:56:04,390 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:56:04,391 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:56:04,393 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:56:04,394 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:56:04,394 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:56:04,395 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:56:04,395 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:56:04,396 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:56:04,397 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:56:04,397 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:56:04,398 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:56:04,399 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:56:04,400 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:56:04,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:04,401 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:56:04,402 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:56:04,402 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:56:04,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:56:04,403 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_837c87ee-8858-4bf3-bf3b-0dc717900c70/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_837c87ee-8858-4bf3-bf3b-0dc717900c70/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bc7b1b837bfd7794f122f6504da8d835bb2276ae4afe0cc0d058d385032d49e [2023-11-24 22:56:04,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:56:04,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:56:04,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:56:04,804 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:56:04,805 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:56:04,806 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_837c87ee-8858-4bf3-bf3b-0dc717900c70/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/verifythis/elimination_max.c [2023-11-24 22:56:08,015 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:56:08,263 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:56:08,264 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_837c87ee-8858-4bf3-bf3b-0dc717900c70/sv-benchmarks/c/verifythis/elimination_max.c [2023-11-24 22:56:08,273 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_837c87ee-8858-4bf3-bf3b-0dc717900c70/bin/ukojak-verify-afCqCEvfdi/data/4ff8e3d9e/c16854b5506849bdbe8db54edda4c8bb/FLAG1a0ccaf8e [2023-11-24 22:56:08,288 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_837c87ee-8858-4bf3-bf3b-0dc717900c70/bin/ukojak-verify-afCqCEvfdi/data/4ff8e3d9e/c16854b5506849bdbe8db54edda4c8bb [2023-11-24 22:56:08,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:56:08,292 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:56:08,294 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:08,294 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:56:08,300 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:56:08,301 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:08" (1/1) ... [2023-11-24 22:56:08,302 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@189f0a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:08, skipping insertion in model container [2023-11-24 22:56:08,303 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:08" (1/1) ... [2023-11-24 22:56:08,326 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:56:08,510 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:08,521 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:56:08,542 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:08,559 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:56:08,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:08 WrapperNode [2023-11-24 22:56:08,560 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:08,561 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:08,561 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:56:08,561 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:56:08,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:08" (1/1) ... [2023-11-24 22:56:08,578 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:08" (1/1) ... [2023-11-24 22:56:08,603 INFO L138 Inliner]: procedures = 18, calls = 21, calls flagged for inlining = 8, calls inlined = 9, statements flattened = 83 [2023-11-24 22:56:08,604 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:08,605 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:56:08,605 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:56:08,605 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:56:08,615 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:08" (1/1) ... [2023-11-24 22:56:08,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:08" (1/1) ... [2023-11-24 22:56:08,619 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:08" (1/1) ... [2023-11-24 22:56:08,620 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:08" (1/1) ... [2023-11-24 22:56:08,628 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:08" (1/1) ... [2023-11-24 22:56:08,632 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:08" (1/1) ... [2023-11-24 22:56:08,633 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:08" (1/1) ... [2023-11-24 22:56:08,634 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:08" (1/1) ... [2023-11-24 22:56:08,637 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:56:08,638 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:56:08,638 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:56:08,638 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:56:08,639 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:08" (1/1) ... [2023-11-24 22:56:08,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:08,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_837c87ee-8858-4bf3-bf3b-0dc717900c70/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:56:08,679 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_837c87ee-8858-4bf3-bf3b-0dc717900c70/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:56:08,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_837c87ee-8858-4bf3-bf3b-0dc717900c70/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:56:08,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:56:08,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:56:08,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:56:08,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:56:08,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:56:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:56:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:56:08,838 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:56:08,841 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:56:09,235 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:56:09,355 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:56:09,355 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:56:09,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:09 BoogieIcfgContainer [2023-11-24 22:56:09,358 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:56:09,359 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:56:09,359 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:56:09,370 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:56:09,370 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:09" (1/1) ... [2023-11-24 22:56:09,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:56:09,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:09,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 38 states and 41 transitions. [2023-11-24 22:56:09,456 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2023-11-24 22:56:09,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:56:09,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:09,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:09,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:09,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:09,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 37 states and 40 transitions. [2023-11-24 22:56:09,814 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2023-11-24 22:56:09,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:56:09,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:09,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:10,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:10,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:10,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 39 states and 45 transitions. [2023-11-24 22:56:10,452 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2023-11-24 22:56:10,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:56:10,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:10,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:10,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:10,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:10,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:10,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 38 states and 44 transitions. [2023-11-24 22:56:10,563 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions. [2023-11-24 22:56:10,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:56:10,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:10,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:10,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:11,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:11,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 40 states and 50 transitions. [2023-11-24 22:56:11,377 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 50 transitions. [2023-11-24 22:56:11,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:56:11,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:11,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:11,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:11,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:11,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:11,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 49 transitions. [2023-11-24 22:56:11,487 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2023-11-24 22:56:11,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:56:11,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:11,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:11,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:12,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:12,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 41 states and 54 transitions. [2023-11-24 22:56:12,475 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 54 transitions. [2023-11-24 22:56:12,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:56:12,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:12,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:12,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:12,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:12,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:12,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 40 states and 53 transitions. [2023-11-24 22:56:12,513 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 53 transitions. [2023-11-24 22:56:12,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:56:12,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:12,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:12,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:12,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:13,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:13,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 42 states and 55 transitions. [2023-11-24 22:56:13,255 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2023-11-24 22:56:13,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:56:13,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:13,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:13,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:13,600 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:15,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:15,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 47 states and 70 transitions. [2023-11-24 22:56:15,391 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 70 transitions. [2023-11-24 22:56:15,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:56:15,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:15,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:15,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:17,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:17,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 51 states and 82 transitions. [2023-11-24 22:56:17,185 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 82 transitions. [2023-11-24 22:56:17,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:56:17,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:17,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:17,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:17,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:19,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:19,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 55 states and 92 transitions. [2023-11-24 22:56:19,383 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 92 transitions. [2023-11-24 22:56:19,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:56:19,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:19,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:19,635 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:20,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:20,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 56 states and 93 transitions. [2023-11-24 22:56:20,152 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 93 transitions. [2023-11-24 22:56:20,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:56:20,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:20,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:20,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:20,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:22,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:22,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 59 states and 100 transitions. [2023-11-24 22:56:22,262 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 100 transitions. [2023-11-24 22:56:22,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:56:22,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:22,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:22,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:22,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:22,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:22,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 61 states and 104 transitions. [2023-11-24 22:56:22,607 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 104 transitions. [2023-11-24 22:56:22,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:56:22,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:22,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:23,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:24,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:24,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 65 states and 110 transitions. [2023-11-24 22:56:24,694 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 110 transitions. [2023-11-24 22:56:24,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:56:24,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:24,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:24,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:24,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:24,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:24,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 66 states and 112 transitions. [2023-11-24 22:56:24,751 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 112 transitions. [2023-11-24 22:56:24,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:56:24,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:24,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:24,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:24,821 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:56:25,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:25,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 68 states and 120 transitions. [2023-11-24 22:56:25,868 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 120 transitions. [2023-11-24 22:56:25,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:56:25,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:25,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:25,945 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:56:26,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:26,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 69 states and 125 transitions. [2023-11-24 22:56:26,619 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 125 transitions. [2023-11-24 22:56:26,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:56:26,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:26,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:26,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:27,626 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:31,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:31,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 74 states and 140 transitions. [2023-11-24 22:56:31,396 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 140 transitions. [2023-11-24 22:56:31,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:56:31,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:31,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:31,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:56:33,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:33,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 77 states and 151 transitions. [2023-11-24 22:56:33,342 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 151 transitions. [2023-11-24 22:56:33,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:56:33,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:33,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:33,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:33,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:33,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:33,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 76 states and 150 transitions. [2023-11-24 22:56:33,395 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 150 transitions. [2023-11-24 22:56:33,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:56:33,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:33,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:33,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:33,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:34,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:34,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 81 states and 158 transitions. [2023-11-24 22:56:34,701 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 158 transitions. [2023-11-24 22:56:34,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:56:34,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:34,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:34,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:35,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:38,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:38,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 84 states and 162 transitions. [2023-11-24 22:56:38,068 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 162 transitions. [2023-11-24 22:56:38,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:56:38,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:38,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:38,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:38,845 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:40,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:40,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2023-11-24 22:56:40,033 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2023-11-24 22:56:40,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:56:40,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:40,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:40,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:40,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:44,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:44,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 93 states and 177 transitions. [2023-11-24 22:56:44,863 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 177 transitions. [2023-11-24 22:56:44,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:56:44,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:44,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:44,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:46,394 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:49,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:49,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2023-11-24 22:56:49,060 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2023-11-24 22:56:49,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:56:49,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:49,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:49,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:49,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:56:51,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:51,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 50 states and 65 transitions. [2023-11-24 22:56:51,891 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 65 transitions. [2023-11-24 22:56:51,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:56:51,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:51,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:52,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:56:59,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:59,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 58 states and 80 transitions. [2023-11-24 22:56:59,682 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 80 transitions. [2023-11-24 22:56:59,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:56:59,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:59,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:59,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:59,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.