./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/recursive-with-pointer/system-with-recursion.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 30e01a73 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_ac5a6da2-d45f-44bb-b7c1-d35f1b5429ea/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5a6da2-d45f-44bb-b7c1-d35f1b5429ea/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5a6da2-d45f-44bb-b7c1-d35f1b5429ea/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5a6da2-d45f-44bb-b7c1-d35f1b5429ea/bin/ukojak-verify-1t5iHCbJaC/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/recursive-with-pointer/system-with-recursion.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5a6da2-d45f-44bb-b7c1-d35f1b5429ea/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5a6da2-d45f-44bb-b7c1-d35f1b5429ea/bin/ukojak-verify-1t5iHCbJaC --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 74e63e86abbcab22438f70ee6d7d7ef12eaada509b0f0a56fb5cf815aaf53aab --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 19:56:52,870 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 19:56:53,009 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5a6da2-d45f-44bb-b7c1-d35f1b5429ea/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-23 19:56:53,022 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 19:56:53,022 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 19:56:53,054 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 19:56:53,055 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 19:56:53,056 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 19:56:53,057 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 19:56:53,057 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 19:56:53,058 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 19:56:53,058 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 19:56:53,059 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 19:56:53,060 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-23 19:56:53,060 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-23 19:56:53,061 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-23 19:56:53,061 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 19:56:53,062 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 19:56:53,062 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 19:56:53,063 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 19:56:53,064 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 19:56:53,076 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 19:56:53,077 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 19:56:53,077 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 19:56:53,078 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:56:53,078 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 19:56:53,079 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 19:56:53,079 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 19:56:53,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 19:56:53,080 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_ac5a6da2-d45f-44bb-b7c1-d35f1b5429ea/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5a6da2-d45f-44bb-b7c1-d35f1b5429ea/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74e63e86abbcab22438f70ee6d7d7ef12eaada509b0f0a56fb5cf815aaf53aab [2023-11-23 19:56:53,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 19:56:53,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 19:56:53,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 19:56:53,498 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 19:56:53,498 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 19:56:53,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5a6da2-d45f-44bb-b7c1-d35f1b5429ea/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/recursive-with-pointer/system-with-recursion.i [2023-11-23 19:56:56,622 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 19:56:57,006 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 19:56:57,007 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5a6da2-d45f-44bb-b7c1-d35f1b5429ea/sv-benchmarks/c/recursive-with-pointer/system-with-recursion.i [2023-11-23 19:56:57,029 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5a6da2-d45f-44bb-b7c1-d35f1b5429ea/bin/ukojak-verify-1t5iHCbJaC/data/6c47af461/a76ce00e263e464c97ea697699c4299f/FLAG91c13669d [2023-11-23 19:56:57,046 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5a6da2-d45f-44bb-b7c1-d35f1b5429ea/bin/ukojak-verify-1t5iHCbJaC/data/6c47af461/a76ce00e263e464c97ea697699c4299f [2023-11-23 19:56:57,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 19:56:57,051 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 19:56:57,053 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 19:56:57,053 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 19:56:57,060 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 19:56:57,061 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:56:57" (1/1) ... [2023-11-23 19:56:57,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51681ce4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:57, skipping insertion in model container [2023-11-23 19:56:57,062 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:56:57" (1/1) ... [2023-11-23 19:56:57,128 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 19:56:57,697 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:56:57,723 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 19:56:57,865 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:56:57,911 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:56:57,919 INFO L206 MainTranslator]: Completed translation [2023-11-23 19:56:57,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:57 WrapperNode [2023-11-23 19:56:57,919 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 19:56:57,920 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 19:56:57,920 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 19:56:57,921 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 19:56:57,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:57" (1/1) ... [2023-11-23 19:56:57,966 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:57" (1/1) ... [2023-11-23 19:56:58,014 INFO L138 Inliner]: procedures = 184, calls = 150, calls flagged for inlining = 20, calls inlined = 20, statements flattened = 338 [2023-11-23 19:56:58,014 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 19:56:58,015 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 19:56:58,015 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 19:56:58,015 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 19:56:58,026 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:57" (1/1) ... [2023-11-23 19:56:58,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:57" (1/1) ... [2023-11-23 19:56:58,037 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:57" (1/1) ... [2023-11-23 19:56:58,037 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:57" (1/1) ... [2023-11-23 19:56:58,065 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:57" (1/1) ... [2023-11-23 19:56:58,071 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:57" (1/1) ... [2023-11-23 19:56:58,075 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:57" (1/1) ... [2023-11-23 19:56:58,079 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:57" (1/1) ... [2023-11-23 19:56:58,088 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 19:56:58,089 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 19:56:58,090 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 19:56:58,090 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 19:56:58,120 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:57" (1/1) ... [2023-11-23 19:56:58,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:56:58,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5a6da2-d45f-44bb-b7c1-d35f1b5429ea/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 19:56:58,234 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5a6da2-d45f-44bb-b7c1-d35f1b5429ea/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 19:56:58,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5a6da2-d45f-44bb-b7c1-d35f1b5429ea/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 19:56:58,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 19:56:58,313 INFO L130 BoogieDeclarations]: Found specification of procedure event_precess [2023-11-23 19:56:58,313 INFO L138 BoogieDeclarations]: Found implementation of procedure event_precess [2023-11-23 19:56:58,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 19:56:58,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 19:56:58,315 INFO L130 BoogieDeclarations]: Found specification of procedure ASNull [2023-11-23 19:56:58,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ASNull [2023-11-23 19:56:58,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 19:56:58,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 19:56:58,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 19:56:58,317 INFO L130 BoogieDeclarations]: Found specification of procedure ASStart [2023-11-23 19:56:58,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ASStart [2023-11-23 19:56:58,318 INFO L130 BoogieDeclarations]: Found specification of procedure message_send [2023-11-23 19:56:58,318 INFO L138 BoogieDeclarations]: Found implementation of procedure message_send [2023-11-23 19:56:58,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 19:56:58,319 INFO L130 BoogieDeclarations]: Found specification of procedure ASIdle [2023-11-23 19:56:58,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ASIdle [2023-11-23 19:56:58,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 19:56:58,321 INFO L130 BoogieDeclarations]: Found specification of procedure system_initialize [2023-11-23 19:56:58,321 INFO L138 BoogieDeclarations]: Found implementation of procedure system_initialize [2023-11-23 19:56:58,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 19:56:58,321 INFO L130 BoogieDeclarations]: Found specification of procedure ASStop [2023-11-23 19:56:58,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ASStop [2023-11-23 19:56:58,322 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-23 19:56:58,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 19:56:58,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 19:56:58,599 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 19:56:58,602 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 19:56:59,691 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 19:56:59,859 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 19:56:59,862 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 19:56:59,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:56:59 BoogieIcfgContainer [2023-11-23 19:56:59,865 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 19:56:59,866 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 19:56:59,867 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 19:56:59,877 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 19:56:59,878 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:56:59" (1/1) ... [2023-11-23 19:56:59,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 19:56:59,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:59,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 387 states and 434 transitions. [2023-11-23 19:56:59,974 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 434 transitions. [2023-11-23 19:56:59,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-23 19:56:59,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:59,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:00,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:00,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:00,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 386 states and 433 transitions. [2023-11-23 19:57:00,370 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 433 transitions. [2023-11-23 19:57:00,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-23 19:57:00,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:00,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:00,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:00,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:00,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:00,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 385 states and 432 transitions. [2023-11-23 19:57:00,643 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 432 transitions. [2023-11-23 19:57:00,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 19:57:00,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:00,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:00,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:00,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:00,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 384 states and 431 transitions. [2023-11-23 19:57:00,691 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 431 transitions. [2023-11-23 19:57:00,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 19:57:00,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:00,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:00,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:01,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:01,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 383 states and 430 transitions. [2023-11-23 19:57:01,155 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 430 transitions. [2023-11-23 19:57:01,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 19:57:01,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:01,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:01,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:01,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:01,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 382 states and 429 transitions. [2023-11-23 19:57:01,204 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 429 transitions. [2023-11-23 19:57:01,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 19:57:01,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:01,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:01,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:01,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:01,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 381 states and 428 transitions. [2023-11-23 19:57:01,459 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 428 transitions. [2023-11-23 19:57:01,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 19:57:01,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:01,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:01,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:02,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:02,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 380 states and 427 transitions. [2023-11-23 19:57:02,181 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 427 transitions. [2023-11-23 19:57:02,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 19:57:02,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:02,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:02,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:02,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:03,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:03,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 379 states and 426 transitions. [2023-11-23 19:57:03,517 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 426 transitions. [2023-11-23 19:57:03,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 19:57:03,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:03,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:03,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:03,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:03,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 378 states and 425 transitions. [2023-11-23 19:57:03,772 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 425 transitions. [2023-11-23 19:57:03,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 19:57:03,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:03,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:03,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:03,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:04,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:04,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 377 states and 424 transitions. [2023-11-23 19:57:04,066 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 424 transitions. [2023-11-23 19:57:04,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 19:57:04,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:04,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:04,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:04,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:04,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 376 states and 423 transitions. [2023-11-23 19:57:04,118 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 423 transitions. [2023-11-23 19:57:04,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 19:57:04,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:04,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:04,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:04,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:04,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 375 states and 422 transitions. [2023-11-23 19:57:04,192 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 422 transitions. [2023-11-23 19:57:04,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 19:57:04,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:04,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:04,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:04,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:04,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 374 states and 421 transitions. [2023-11-23 19:57:04,254 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 421 transitions. [2023-11-23 19:57:04,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 19:57:04,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:04,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:04,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:04,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:04,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:04,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 373 states and 420 transitions. [2023-11-23 19:57:04,352 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 420 transitions. [2023-11-23 19:57:04,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 19:57:04,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:04,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:04,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:04,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:04,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:04,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 372 states and 419 transitions. [2023-11-23 19:57:04,566 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 419 transitions. [2023-11-23 19:57:04,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 19:57:04,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:04,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:04,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:05,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:05,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 371 states and 418 transitions. [2023-11-23 19:57:05,027 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 418 transitions. [2023-11-23 19:57:05,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 19:57:05,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:05,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:05,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:05,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:05,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 373 states and 428 transitions. [2023-11-23 19:57:05,618 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 428 transitions. [2023-11-23 19:57:05,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 19:57:05,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:05,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:05,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:06,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:08,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:08,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 375 states and 438 transitions. [2023-11-23 19:57:08,403 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 438 transitions. [2023-11-23 19:57:08,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 19:57:08,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:08,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:08,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:08,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:10,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:10,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 382 states and 456 transitions. [2023-11-23 19:57:10,060 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 456 transitions. [2023-11-23 19:57:10,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 19:57:10,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:10,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:10,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:13,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:13,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 389 states and 475 transitions. [2023-11-23 19:57:13,059 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 475 transitions. [2023-11-23 19:57:13,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 19:57:13,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:13,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:13,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:13,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:13,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 393 states and 480 transitions. [2023-11-23 19:57:13,622 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 480 transitions. [2023-11-23 19:57:13,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 19:57:13,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:13,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:13,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:14,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:16,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:16,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 397 states and 487 transitions. [2023-11-23 19:57:16,212 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 487 transitions. [2023-11-23 19:57:16,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 19:57:16,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:16,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:17,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:20,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:20,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 400 states and 503 transitions. [2023-11-23 19:57:20,476 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 503 transitions. [2023-11-23 19:57:20,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 19:57:20,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:20,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:20,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:21,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:21,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 404 states and 508 transitions. [2023-11-23 19:57:21,242 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 508 transitions. [2023-11-23 19:57:21,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 19:57:21,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:21,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:21,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:21,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:23,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:23,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 409 states and 516 transitions. [2023-11-23 19:57:23,339 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 516 transitions. [2023-11-23 19:57:23,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 19:57:23,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:23,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:23,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:25,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:25,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 416 states and 529 transitions. [2023-11-23 19:57:25,432 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 529 transitions. [2023-11-23 19:57:25,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 19:57:25,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:25,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:25,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:25,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:28,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:28,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 423 states and 541 transitions. [2023-11-23 19:57:28,716 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 541 transitions. [2023-11-23 19:57:28,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 19:57:28,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:28,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:28,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:29,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:29,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 422 states and 540 transitions. [2023-11-23 19:57:29,187 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 540 transitions. [2023-11-23 19:57:29,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 19:57:29,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:29,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:29,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:30,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:37,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:37,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 431 states and 567 transitions. [2023-11-23 19:57:37,695 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 567 transitions. [2023-11-23 19:57:37,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 19:57:37,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:37,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:38,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:38,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:38,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 435 states and 576 transitions. [2023-11-23 19:57:38,820 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 576 transitions. [2023-11-23 19:57:38,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 19:57:38,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:38,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:39,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:41,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:41,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 439 states and 580 transitions. [2023-11-23 19:57:41,533 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 580 transitions. [2023-11-23 19:57:41,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 19:57:41,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:41,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:41,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:41,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:42,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:42,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 438 states and 579 transitions. [2023-11-23 19:57:42,038 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 579 transitions. [2023-11-23 19:57:42,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 19:57:42,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:42,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:42,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:43,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:43,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 440 states and 582 transitions. [2023-11-23 19:57:43,420 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 582 transitions. [2023-11-23 19:57:43,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 19:57:43,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:43,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:43,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:43,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:43,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:43,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 439 states and 581 transitions. [2023-11-23 19:57:43,911 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 581 transitions. [2023-11-23 19:57:43,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 19:57:43,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:43,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:44,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.