./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de4be7-6829-475d-87ff-0b0df666aeb1/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de4be7-6829-475d-87ff-0b0df666aeb1/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_04de4be7-6829-475d-87ff-0b0df666aeb1/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de4be7-6829-475d-87ff-0b0df666aeb1/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de4be7-6829-475d-87ff-0b0df666aeb1/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_04de4be7-6829-475d-87ff-0b0df666aeb1/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 2f737570030041640fd86c7d2770b30b4e6ee4ac0d1c521887700aab87fb1426 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:04:25,580 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:04:25,710 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de4be7-6829-475d-87ff-0b0df666aeb1/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 23:04:25,717 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:04:25,718 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:04:25,758 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:04:25,759 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:04:25,760 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:04:25,761 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:04:25,766 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:04:25,767 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:04:25,768 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:04:25,768 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:04:25,770 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:04:25,771 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:04:25,771 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:04:25,772 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:04:25,772 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:04:25,773 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:04:25,773 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:04:25,774 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:04:25,774 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:04:25,775 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:04:25,776 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:04:25,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:25,777 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:04:25,777 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:04:25,778 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:04:25,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:04:25,779 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_04de4be7-6829-475d-87ff-0b0df666aeb1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de4be7-6829-475d-87ff-0b0df666aeb1/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f737570030041640fd86c7d2770b30b4e6ee4ac0d1c521887700aab87fb1426 [2023-11-24 23:04:26,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:04:26,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:04:26,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:04:26,164 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:04:26,164 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:04:26,166 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de4be7-6829-475d-87ff-0b0df666aeb1/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i [2023-11-24 23:04:29,519 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:04:29,831 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:04:29,832 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de4be7-6829-475d-87ff-0b0df666aeb1/sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i [2023-11-24 23:04:29,855 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de4be7-6829-475d-87ff-0b0df666aeb1/bin/ukojak-verify-afCqCEvfdi/data/1a3d84eda/7db41e5218ad4190aebd413cb30eb1ef/FLAG95544af0d [2023-11-24 23:04:29,878 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de4be7-6829-475d-87ff-0b0df666aeb1/bin/ukojak-verify-afCqCEvfdi/data/1a3d84eda/7db41e5218ad4190aebd413cb30eb1ef [2023-11-24 23:04:29,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:04:29,887 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:04:29,891 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:29,891 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:04:29,897 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:04:29,898 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:29" (1/1) ... [2023-11-24 23:04:29,899 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d802de7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:29, skipping insertion in model container [2023-11-24 23:04:29,900 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:29" (1/1) ... [2023-11-24 23:04:29,964 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:04:30,389 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:30,398 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:04:30,441 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:30,474 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:04:30,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:30 WrapperNode [2023-11-24 23:04:30,474 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:30,476 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:30,476 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:04:30,476 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:04:30,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:30" (1/1) ... [2023-11-24 23:04:30,499 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:30" (1/1) ... [2023-11-24 23:04:30,528 INFO L138 Inliner]: procedures = 116, calls = 30, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 135 [2023-11-24 23:04:30,529 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:30,530 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:04:30,530 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:04:30,530 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:04:30,540 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:30" (1/1) ... [2023-11-24 23:04:30,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:30" (1/1) ... [2023-11-24 23:04:30,545 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:30" (1/1) ... [2023-11-24 23:04:30,545 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:30" (1/1) ... [2023-11-24 23:04:30,554 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:30" (1/1) ... [2023-11-24 23:04:30,558 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:30" (1/1) ... [2023-11-24 23:04:30,574 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:30" (1/1) ... [2023-11-24 23:04:30,575 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:30" (1/1) ... [2023-11-24 23:04:30,578 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:04:30,580 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:04:30,582 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:04:30,582 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:04:30,583 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:30" (1/1) ... [2023-11-24 23:04:30,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:30,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de4be7-6829-475d-87ff-0b0df666aeb1/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:04:30,623 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de4be7-6829-475d-87ff-0b0df666aeb1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:04:30,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de4be7-6829-475d-87ff-0b0df666aeb1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:04:30,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:04:30,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:04:30,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:04:30,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:04:30,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:04:30,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:04:30,817 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:04:30,819 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:04:31,206 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:04:31,248 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:04:31,249 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:04:31,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:31 BoogieIcfgContainer [2023-11-24 23:04:31,251 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:04:31,252 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:04:31,252 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:04:31,262 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:04:31,276 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:31" (1/1) ... [2023-11-24 23:04:31,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:04:31,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:31,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 123 states and 130 transitions. [2023-11-24 23:04:31,345 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 130 transitions. [2023-11-24 23:04:31,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:04:31,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:31,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:31,573 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 23:04:31,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:31,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 122 states and 129 transitions. [2023-11-24 23:04:31,619 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 129 transitions. [2023-11-24 23:04:31,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:04:31,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:31,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:31,787 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 23:04:31,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:31,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 121 states and 128 transitions. [2023-11-24 23:04:31,877 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 128 transitions. [2023-11-24 23:04:31,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:04:31,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:31,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:31,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:31,915 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 23:04:31,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:31,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 120 states and 127 transitions. [2023-11-24 23:04:31,933 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 127 transitions. [2023-11-24 23:04:31,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:04:31,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:31,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:32,057 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 23:04:32,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:32,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 119 states and 126 transitions. [2023-11-24 23:04:32,191 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 126 transitions. [2023-11-24 23:04:32,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:04:32,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:32,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:32,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:32,228 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 23:04:32,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:32,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 121 states and 130 transitions. [2023-11-24 23:04:32,255 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 130 transitions. [2023-11-24 23:04:32,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:04:32,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:32,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:32,384 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 23:04:32,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:32,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 123 states and 133 transitions. [2023-11-24 23:04:32,574 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 133 transitions. [2023-11-24 23:04:32,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:04:32,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:32,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:32,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:32,643 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 23:04:32,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:32,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 122 states and 132 transitions. [2023-11-24 23:04:32,697 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 132 transitions. [2023-11-24 23:04:32,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:04:32,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:32,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:32,788 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 23:04:32,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:32,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 121 states and 131 transitions. [2023-11-24 23:04:32,951 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 131 transitions. [2023-11-24 23:04:32,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:04:32,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:32,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:33,076 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 23:04:33,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:33,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 122 states and 133 transitions. [2023-11-24 23:04:33,563 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 133 transitions. [2023-11-24 23:04:33,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:04:33,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:33,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:33,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:33,780 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 23:04:34,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:34,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 126 states and 143 transitions. [2023-11-24 23:04:34,246 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 143 transitions. [2023-11-24 23:04:34,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:04:34,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:34,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:34,465 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 23:04:35,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:35,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 130 states and 158 transitions. [2023-11-24 23:04:35,231 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 158 transitions. [2023-11-24 23:04:35,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:04:35,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:35,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:35,388 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 23:04:36,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:36,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 134 states and 165 transitions. [2023-11-24 23:04:36,281 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 165 transitions. [2023-11-24 23:04:36,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:04:36,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:36,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:36,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:36,428 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 23:04:37,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:37,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 138 states and 173 transitions. [2023-11-24 23:04:37,358 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 173 transitions. [2023-11-24 23:04:37,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:04:37,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:37,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:37,434 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 23:04:37,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:37,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 139 states and 174 transitions. [2023-11-24 23:04:37,702 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 174 transitions. [2023-11-24 23:04:37,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:04:37,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:37,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:38,022 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:38,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:38,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 139 states and 173 transitions. [2023-11-24 23:04:38,925 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 173 transitions. [2023-11-24 23:04:38,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:04:38,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:38,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:38,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:39,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:39,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:39,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 140 states and 175 transitions. [2023-11-24 23:04:39,487 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 175 transitions. [2023-11-24 23:04:39,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:04:39,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:39,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:39,597 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:39,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:39,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 141 states and 177 transitions. [2023-11-24 23:04:39,929 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 177 transitions. [2023-11-24 23:04:39,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:04:39,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:39,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:40,021 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:40,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:40,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 142 states and 181 transitions. [2023-11-24 23:04:40,320 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 181 transitions. [2023-11-24 23:04:40,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:04:40,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:40,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:40,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:40,605 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:41,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:41,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 123 states and 134 transitions. [2023-11-24 23:04:41,198 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 134 transitions. [2023-11-24 23:04:41,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:04:41,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:41,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:41,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:41,474 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:43,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:43,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 130 states and 147 transitions. [2023-11-24 23:04:43,338 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 147 transitions. [2023-11-24 23:04:43,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:04:43,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:43,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:43,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:43,705 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:45,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:45,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 131 states and 149 transitions. [2023-11-24 23:04:45,386 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 149 transitions. [2023-11-24 23:04:45,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:04:45,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:45,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:45,478 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:04:47,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:47,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 134 states and 154 transitions. [2023-11-24 23:04:47,099 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 154 transitions. [2023-11-24 23:04:47,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:04:47,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:47,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:47,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:47,157 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 23:04:48,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:48,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 137 states and 157 transitions. [2023-11-24 23:04:48,345 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 157 transitions. [2023-11-24 23:04:48,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:04:48,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:48,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:48,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:48,592 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:04:48,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:48,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 136 states and 156 transitions. [2023-11-24 23:04:48,730 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 156 transitions. [2023-11-24 23:04:48,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:04:48,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:48,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:48,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:49,005 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:04:49,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:49,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 137 states and 157 transitions. [2023-11-24 23:04:49,543 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 157 transitions. [2023-11-24 23:04:49,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:04:49,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:49,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:49,583 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:04:49,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:49,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 136 states and 156 transitions. [2023-11-24 23:04:49,603 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 156 transitions. [2023-11-24 23:04:49,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:04:49,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:49,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:49,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:50,176 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:04:51,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:51,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 137 states and 158 transitions. [2023-11-24 23:04:51,059 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 158 transitions. [2023-11-24 23:04:51,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:04:51,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:51,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:51,315 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:52,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:52,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 112 states and 119 transitions. [2023-11-24 23:04:52,746 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 119 transitions. [2023-11-24 23:04:52,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:04:52,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:52,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:52,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:52,834 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:04:52,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:52,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 111 states and 118 transitions. [2023-11-24 23:04:52,853 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 118 transitions. [2023-11-24 23:04:52,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:04:52,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:52,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:52,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:54,501 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:00,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:00,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 110 states and 117 transitions. [2023-11-24 23:05:00,553 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 117 transitions. [2023-11-24 23:05:00,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:05:00,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:00,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:00,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:01,715 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:05:08,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:08,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 109 states and 116 transitions. [2023-11-24 23:05:08,921 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 116 transitions. [2023-11-24 23:05:08,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:05:08,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:08,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:08,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:09,628 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:05:18,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:18,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 108 states and 115 transitions. [2023-11-24 23:05:18,073 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 115 transitions. [2023-11-24 23:05:18,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:05:18,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:18,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:18,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat