./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/selectionSort_recursive.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_d5aae6c1-53cf-4a37-b9c5-7e3b25890912/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5aae6c1-53cf-4a37-b9c5-7e3b25890912/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_d5aae6c1-53cf-4a37-b9c5-7e3b25890912/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5aae6c1-53cf-4a37-b9c5-7e3b25890912/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/selectionSort_recursive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5aae6c1-53cf-4a37-b9c5-7e3b25890912/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5aae6c1-53cf-4a37-b9c5-7e3b25890912/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 64bit --witnessprinter.graph.data.programhash ff7f98b41a2da3578e790df894a867e943a0857e97661a8032b524a76ca3b438 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:06:05,785 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:06:05,917 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5aae6c1-53cf-4a37-b9c5-7e3b25890912/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-24 23:06:05,929 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:06:05,930 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:06:05,972 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:06:05,974 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:06:05,975 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:06:05,976 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:06:05,981 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:06:05,982 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:06:05,982 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:06:05,983 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:06:05,985 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:06:05,985 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:06:05,986 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:06:05,986 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:06:05,987 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:06:05,987 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:06:05,988 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:06:05,989 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:06:05,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:06:05,990 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:06:05,991 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:06:05,991 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:06:05,992 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:06:05,992 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_d5aae6c1-53cf-4a37-b9c5-7e3b25890912/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5aae6c1-53cf-4a37-b9c5-7e3b25890912/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff7f98b41a2da3578e790df894a867e943a0857e97661a8032b524a76ca3b438 [2023-11-24 23:06:06,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:06:06,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:06:06,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:06:06,309 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:06:06,311 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:06:06,313 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5aae6c1-53cf-4a37-b9c5-7e3b25890912/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/termination-recursive-malloc/selectionSort_recursive.i [2023-11-24 23:06:09,401 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:06:09,641 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:06:09,643 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5aae6c1-53cf-4a37-b9c5-7e3b25890912/sv-benchmarks/c/termination-recursive-malloc/selectionSort_recursive.i [2023-11-24 23:06:09,655 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5aae6c1-53cf-4a37-b9c5-7e3b25890912/bin/ukojak-verify-afCqCEvfdi/data/4c3caf222/9504ea1d6e6442f2bb29e46b794114b4/FLAGbfbb940b0 [2023-11-24 23:06:09,673 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5aae6c1-53cf-4a37-b9c5-7e3b25890912/bin/ukojak-verify-afCqCEvfdi/data/4c3caf222/9504ea1d6e6442f2bb29e46b794114b4 [2023-11-24 23:06:09,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:06:09,678 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:06:09,679 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:06:09,680 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:06:09,685 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:06:09,686 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:06:09" (1/1) ... [2023-11-24 23:06:09,688 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c7468b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:09, skipping insertion in model container [2023-11-24 23:06:09,688 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:06:09" (1/1) ... [2023-11-24 23:06:09,711 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:06:09,896 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:06:09,905 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:06:09,923 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:06:09,939 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:06:09,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:09 WrapperNode [2023-11-24 23:06:09,940 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:06:09,941 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:06:09,941 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:06:09,941 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:06:09,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:09" (1/1) ... [2023-11-24 23:06:09,956 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:09" (1/1) ... [2023-11-24 23:06:09,973 INFO L138 Inliner]: procedures = 11, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2023-11-24 23:06:09,974 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:06:09,974 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:06:09,975 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:06:09,975 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:06:10,004 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:09" (1/1) ... [2023-11-24 23:06:10,004 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:09" (1/1) ... [2023-11-24 23:06:10,006 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:09" (1/1) ... [2023-11-24 23:06:10,007 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:09" (1/1) ... [2023-11-24 23:06:10,013 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:09" (1/1) ... [2023-11-24 23:06:10,017 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:09" (1/1) ... [2023-11-24 23:06:10,018 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:09" (1/1) ... [2023-11-24 23:06:10,019 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:09" (1/1) ... [2023-11-24 23:06:10,022 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:06:10,023 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:06:10,023 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:06:10,023 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:06:10,024 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:09" (1/1) ... [2023-11-24 23:06:10,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:06:10,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5aae6c1-53cf-4a37-b9c5-7e3b25890912/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:06:10,063 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5aae6c1-53cf-4a37-b9c5-7e3b25890912/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:06:10,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5aae6c1-53cf-4a37-b9c5-7e3b25890912/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:06:10,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:06:10,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:06:10,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:06:10,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:06:10,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:06:10,126 INFO L130 BoogieDeclarations]: Found specification of procedure selectionSort [2023-11-24 23:06:10,126 INFO L138 BoogieDeclarations]: Found implementation of procedure selectionSort [2023-11-24 23:06:10,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:06:10,213 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:06:10,215 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:06:10,449 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:06:10,499 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:06:10,499 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:06:10,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:10 BoogieIcfgContainer [2023-11-24 23:06:10,502 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:06:10,502 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:06:10,503 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:06:10,521 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:06:10,521 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:10" (1/1) ... [2023-11-24 23:06:10,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:06:10,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:10,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 40 states and 44 transitions. [2023-11-24 23:06:10,591 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2023-11-24 23:06:10,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:06:10,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:10,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:10,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:10,736 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 23:06:10,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:10,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 41 states and 45 transitions. [2023-11-24 23:06:10,772 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2023-11-24 23:06:10,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:06:10,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:10,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:10,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:10,884 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 23:06:10,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:10,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 40 states and 44 transitions. [2023-11-24 23:06:10,921 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2023-11-24 23:06:10,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:06:10,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:10,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:10,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:11,207 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 23:06:11,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:11,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 42 states and 47 transitions. [2023-11-24 23:06:11,681 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2023-11-24 23:06:11,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:06:11,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:11,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:11,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:12,069 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 23:06:12,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:12,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 45 states and 53 transitions. [2023-11-24 23:06:12,916 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2023-11-24 23:06:12,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:06:12,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:12,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:12,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:13,456 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:13,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:13,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 41 states and 45 transitions. [2023-11-24 23:06:13,978 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2023-11-24 23:06:13,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:06:13,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:13,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:13,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:14,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:14,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:14,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 45 states and 52 transitions. [2023-11-24 23:06:14,244 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2023-11-24 23:06:14,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:06:14,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:14,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:14,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:14,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:14,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:14,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 46 states and 53 transitions. [2023-11-24 23:06:14,306 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2023-11-24 23:06:14,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:06:14,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:14,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:14,645 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 23:06:15,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:15,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 50 states and 61 transitions. [2023-11-24 23:06:15,818 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 61 transitions. [2023-11-24 23:06:15,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:06:15,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:15,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:15,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:15,893 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 23:06:16,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:16,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 51 states and 62 transitions. [2023-11-24 23:06:16,192 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 62 transitions. [2023-11-24 23:06:16,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:06:16,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:16,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:16,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:16,277 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 23:06:17,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:17,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 54 states and 67 transitions. [2023-11-24 23:06:17,913 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2023-11-24 23:06:17,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:06:17,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:17,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:18,426 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:20,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:20,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 68 transitions. [2023-11-24 23:06:20,672 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 68 transitions. [2023-11-24 23:06:20,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:06:20,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:20,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:21,601 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:06:24,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:24,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 58 states and 74 transitions. [2023-11-24 23:06:24,823 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 74 transitions. [2023-11-24 23:06:24,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:06:24,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:24,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:24,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:24,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:25,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:25,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 57 states and 73 transitions. [2023-11-24 23:06:25,503 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2023-11-24 23:06:25,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:06:25,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:25,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:25,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:25,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:06:25,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:25,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 56 states and 72 transitions. [2023-11-24 23:06:25,555 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2023-11-24 23:06:25,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:06:25,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:25,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:25,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:26,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:06:28,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:28,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 59 states and 82 transitions. [2023-11-24 23:06:28,905 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2023-11-24 23:06:28,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:06:28,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:28,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:28,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:29,095 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 23:06:32,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:32,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 62 states and 85 transitions. [2023-11-24 23:06:32,758 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2023-11-24 23:06:32,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:06:32,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:32,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:32,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:33,121 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:06:35,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:35,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 66 states and 91 transitions. [2023-11-24 23:06:35,465 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 91 transitions. [2023-11-24 23:06:35,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:06:35,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:35,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:36,324 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:42,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:42,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 74 states and 106 transitions. [2023-11-24 23:06:42,166 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 106 transitions. [2023-11-24 23:06:42,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:06:42,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:42,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:42,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:42,204 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:06:42,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:42,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 73 states and 105 transitions. [2023-11-24 23:06:42,232 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 105 transitions. [2023-11-24 23:06:42,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:06:42,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:42,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:42,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:43,359 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:06:47,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:47,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 77 states and 112 transitions. [2023-11-24 23:06:47,007 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 112 transitions. [2023-11-24 23:06:47,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:06:47,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:47,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:47,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:47,064 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:06:47,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:47,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 76 states and 111 transitions. [2023-11-24 23:06:47,087 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 111 transitions. [2023-11-24 23:06:47,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:06:47,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:47,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:47,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:47,159 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 23:06:47,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:47,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 78 states and 114 transitions. [2023-11-24 23:06:47,621 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 114 transitions. [2023-11-24 23:06:47,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:06:47,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:47,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:49,470 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:53,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:53,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 81 states and 123 transitions. [2023-11-24 23:06:53,785 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 123 transitions. [2023-11-24 23:06:53,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:06:53,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:53,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:53,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:54,054 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 23:06:55,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:55,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 82 states and 125 transitions. [2023-11-24 23:06:55,075 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 125 transitions. [2023-11-24 23:06:55,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:06:55,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:55,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:55,109 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:06:55,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:55,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 82 states and 124 transitions. [2023-11-24 23:06:55,810 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 124 transitions. [2023-11-24 23:06:55,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:06:55,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:55,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:55,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:56,648 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 23:07:00,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:00,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 85 states and 140 transitions. [2023-11-24 23:07:00,075 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 140 transitions. [2023-11-24 23:07:00,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:07:00,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:00,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:00,277 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 23:07:01,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:01,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 86 states and 142 transitions. [2023-11-24 23:07:01,230 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 142 transitions. [2023-11-24 23:07:01,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:07:01,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:01,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:01,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:02,173 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.