./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 527bcce2 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_df1f5c79-63b7-4c79-aa8a-08401c9fa225/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1f5c79-63b7-4c79-aa8a-08401c9fa225/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1f5c79-63b7-4c79-aa8a-08401c9fa225/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1f5c79-63b7-4c79-aa8a-08401c9fa225/bin/ukojak-verify-i0I2FZA1j2/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_df1f5c79-63b7-4c79-aa8a-08401c9fa225/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1f5c79-63b7-4c79-aa8a-08401c9fa225/bin/ukojak-verify-i0I2FZA1j2 --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-527bcce [2023-11-21 18:46:32,916 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:46:33,001 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1f5c79-63b7-4c79-aa8a-08401c9fa225/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-21 18:46:33,006 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:46:33,006 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:46:33,035 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:46:33,036 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:46:33,037 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:46:33,037 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:46:33,038 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:46:33,039 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:46:33,039 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:46:33,040 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:46:33,041 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-21 18:46:33,041 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-21 18:46:33,042 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-21 18:46:33,042 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:46:33,043 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:46:33,044 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:46:33,044 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:46:33,045 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:46:33,046 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:46:33,046 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:46:33,047 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:46:33,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:46:33,048 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:46:33,049 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:46:33,049 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:46:33,050 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:46:33,051 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_df1f5c79-63b7-4c79-aa8a-08401c9fa225/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1f5c79-63b7-4c79-aa8a-08401c9fa225/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74e63e86abbcab22438f70ee6d7d7ef12eaada509b0f0a56fb5cf815aaf53aab [2023-11-21 18:46:33,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:46:33,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:46:33,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:46:33,398 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:46:33,399 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:46:33,401 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1f5c79-63b7-4c79-aa8a-08401c9fa225/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/recursive-with-pointer/system-with-recursion.i [2023-11-21 18:46:36,560 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:46:36,912 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:46:36,924 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1f5c79-63b7-4c79-aa8a-08401c9fa225/sv-benchmarks/c/recursive-with-pointer/system-with-recursion.i [2023-11-21 18:46:36,941 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1f5c79-63b7-4c79-aa8a-08401c9fa225/bin/ukojak-verify-i0I2FZA1j2/data/1d586aec4/e27d55ea51624ace94997be8ac441f4f/FLAG9025c19b5 [2023-11-21 18:46:36,959 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1f5c79-63b7-4c79-aa8a-08401c9fa225/bin/ukojak-verify-i0I2FZA1j2/data/1d586aec4/e27d55ea51624ace94997be8ac441f4f [2023-11-21 18:46:36,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:46:36,964 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:46:36,968 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:46:36,970 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:46:36,975 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:46:36,979 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:46:36" (1/1) ... [2023-11-21 18:46:36,980 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b307f2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:36, skipping insertion in model container [2023-11-21 18:46:36,981 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:46:36" (1/1) ... [2023-11-21 18:46:37,062 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:46:37,590 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:46:37,611 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:46:37,727 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:46:37,783 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:46:37,792 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:46:37,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:37 WrapperNode [2023-11-21 18:46:37,792 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:46:37,794 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:46:37,794 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:46:37,794 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:46:37,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:37" (1/1) ... [2023-11-21 18:46:37,846 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:37" (1/1) ... [2023-11-21 18:46:37,909 INFO L138 Inliner]: procedures = 184, calls = 150, calls flagged for inlining = 20, calls inlined = 20, statements flattened = 338 [2023-11-21 18:46:37,910 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:46:37,911 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:46:37,912 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:46:37,912 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:46:37,921 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:37" (1/1) ... [2023-11-21 18:46:37,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:37" (1/1) ... [2023-11-21 18:46:37,929 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:37" (1/1) ... [2023-11-21 18:46:37,929 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:37" (1/1) ... [2023-11-21 18:46:37,972 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:37" (1/1) ... [2023-11-21 18:46:37,979 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:37" (1/1) ... [2023-11-21 18:46:37,986 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:37" (1/1) ... [2023-11-21 18:46:37,995 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:37" (1/1) ... [2023-11-21 18:46:38,009 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:46:38,012 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:46:38,013 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:46:38,019 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:46:38,019 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:37" (1/1) ... [2023-11-21 18:46:38,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:46:38,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1f5c79-63b7-4c79-aa8a-08401c9fa225/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:46:38,070 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1f5c79-63b7-4c79-aa8a-08401c9fa225/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:46:38,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1f5c79-63b7-4c79-aa8a-08401c9fa225/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:46:38,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:46:38,117 INFO L130 BoogieDeclarations]: Found specification of procedure event_precess [2023-11-21 18:46:38,117 INFO L138 BoogieDeclarations]: Found implementation of procedure event_precess [2023-11-21 18:46:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:46:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:46:38,119 INFO L130 BoogieDeclarations]: Found specification of procedure ASNull [2023-11-21 18:46:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ASNull [2023-11-21 18:46:38,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:46:38,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:46:38,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:46:38,120 INFO L130 BoogieDeclarations]: Found specification of procedure ASStart [2023-11-21 18:46:38,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ASStart [2023-11-21 18:46:38,121 INFO L130 BoogieDeclarations]: Found specification of procedure message_send [2023-11-21 18:46:38,121 INFO L138 BoogieDeclarations]: Found implementation of procedure message_send [2023-11-21 18:46:38,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:46:38,122 INFO L130 BoogieDeclarations]: Found specification of procedure ASIdle [2023-11-21 18:46:38,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ASIdle [2023-11-21 18:46:38,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:46:38,124 INFO L130 BoogieDeclarations]: Found specification of procedure system_initialize [2023-11-21 18:46:38,124 INFO L138 BoogieDeclarations]: Found implementation of procedure system_initialize [2023-11-21 18:46:38,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:46:38,124 INFO L130 BoogieDeclarations]: Found specification of procedure ASStop [2023-11-21 18:46:38,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ASStop [2023-11-21 18:46:38,125 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-21 18:46:38,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:46:38,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:46:38,399 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:46:38,402 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:46:39,539 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:46:39,687 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:46:39,687 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:46:39,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:46:39 BoogieIcfgContainer [2023-11-21 18:46:39,690 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:46:39,691 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:46:39,691 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:46:39,704 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:46:39,704 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:46:39" (1/1) ... [2023-11-21 18:46:39,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:46:39,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:39,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 387 states and 434 transitions. [2023-11-21 18:46:39,803 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 434 transitions. [2023-11-21 18:46:39,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-21 18:46:39,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:39,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:40,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:40,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:40,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 386 states and 433 transitions. [2023-11-21 18:46:40,198 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 433 transitions. [2023-11-21 18:46:40,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-21 18:46:40,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:40,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:40,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:40,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:40,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:40,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 385 states and 432 transitions. [2023-11-21 18:46:40,574 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 432 transitions. [2023-11-21 18:46:40,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:46:40,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:40,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:40,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:40,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:40,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 384 states and 431 transitions. [2023-11-21 18:46:40,652 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 431 transitions. [2023-11-21 18:46:40,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:46:40,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:40,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:40,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:41,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:41,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 383 states and 430 transitions. [2023-11-21 18:46:41,070 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 430 transitions. [2023-11-21 18:46:41,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:46:41,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:41,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:41,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:41,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:41,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:41,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 382 states and 429 transitions. [2023-11-21 18:46:41,118 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 429 transitions. [2023-11-21 18:46:41,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:46:41,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:41,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:41,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:41,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:41,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:41,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 381 states and 428 transitions. [2023-11-21 18:46:41,358 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 428 transitions. [2023-11-21 18:46:41,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:46:41,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:41,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:41,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:42,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:42,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 380 states and 427 transitions. [2023-11-21 18:46:42,094 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 427 transitions. [2023-11-21 18:46:42,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:46:42,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:42,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:42,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:43,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:43,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 379 states and 426 transitions. [2023-11-21 18:46:43,433 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 426 transitions. [2023-11-21 18:46:43,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:46:43,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:43,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:43,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:43,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:43,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:43,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 378 states and 425 transitions. [2023-11-21 18:46:43,674 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 425 transitions. [2023-11-21 18:46:43,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:46:43,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:43,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:43,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:43,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:43,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 377 states and 424 transitions. [2023-11-21 18:46:43,976 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 424 transitions. [2023-11-21 18:46:43,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:46:43,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:43,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:44,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:44,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:44,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 376 states and 423 transitions. [2023-11-21 18:46:44,025 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 423 transitions. [2023-11-21 18:46:44,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:46:44,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:44,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:44,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:44,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:44,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:44,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 375 states and 422 transitions. [2023-11-21 18:46:44,096 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 422 transitions. [2023-11-21 18:46:44,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:46:44,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:44,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:44,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:44,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:44,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 374 states and 421 transitions. [2023-11-21 18:46:44,149 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 421 transitions. [2023-11-21 18:46:44,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:46:44,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:44,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:44,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:44,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:44,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 373 states and 420 transitions. [2023-11-21 18:46:44,231 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 420 transitions. [2023-11-21 18:46:44,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:46:44,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:44,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:44,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:44,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:44,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 372 states and 419 transitions. [2023-11-21 18:46:44,456 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 419 transitions. [2023-11-21 18:46:44,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:46:44,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:44,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:44,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:44,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:44,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:44,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 371 states and 418 transitions. [2023-11-21 18:46:44,903 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 418 transitions. [2023-11-21 18:46:44,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:46:44,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:44,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:44,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:45,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:45,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:45,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 373 states and 428 transitions. [2023-11-21 18:46:45,368 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 428 transitions. [2023-11-21 18:46:45,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:46:45,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:45,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:45,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:47,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:47,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 375 states and 438 transitions. [2023-11-21 18:46:47,988 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 438 transitions. [2023-11-21 18:46:47,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:46:47,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:47,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:48,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:49,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:49,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 382 states and 456 transitions. [2023-11-21 18:46:49,705 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 456 transitions. [2023-11-21 18:46:49,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:46:49,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:49,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:50,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:52,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:52,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 389 states and 475 transitions. [2023-11-21 18:46:52,747 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 475 transitions. [2023-11-21 18:46:52,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:46:52,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:52,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:52,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:53,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:53,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:53,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 393 states and 480 transitions. [2023-11-21 18:46:53,367 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 480 transitions. [2023-11-21 18:46:53,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:46:53,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:53,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:54,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:56,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:56,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 397 states and 487 transitions. [2023-11-21 18:46:56,194 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 487 transitions. [2023-11-21 18:46:56,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:46:56,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:56,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:57,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:00,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:00,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 400 states and 503 transitions. [2023-11-21 18:47:00,865 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 503 transitions. [2023-11-21 18:47:00,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:47:00,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:00,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:00,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:01,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:01,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:01,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 404 states and 508 transitions. [2023-11-21 18:47:01,650 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 508 transitions. [2023-11-21 18:47:01,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:47:01,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:01,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:01,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:02,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:03,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:03,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 409 states and 516 transitions. [2023-11-21 18:47:03,958 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 516 transitions. [2023-11-21 18:47:03,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:47:03,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:03,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:04,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:06,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:06,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 416 states and 529 transitions. [2023-11-21 18:47:06,092 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 529 transitions. [2023-11-21 18:47:06,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:47:06,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:06,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:06,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:06,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:09,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:09,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 423 states and 541 transitions. [2023-11-21 18:47:09,380 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 541 transitions. [2023-11-21 18:47:09,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:47:09,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:09,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:09,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:09,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:09,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:09,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 422 states and 540 transitions. [2023-11-21 18:47:09,833 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 540 transitions. [2023-11-21 18:47:09,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:47:09,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:09,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:09,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:11,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:18,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:18,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 431 states and 567 transitions. [2023-11-21 18:47:18,422 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 567 transitions. [2023-11-21 18:47:18,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:47:18,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:18,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:18,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:19,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:19,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:19,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 435 states and 576 transitions. [2023-11-21 18:47:19,553 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 576 transitions. [2023-11-21 18:47:19,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:47:19,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:19,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:19,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:20,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:22,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:22,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 439 states and 580 transitions. [2023-11-21 18:47:22,451 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 580 transitions. [2023-11-21 18:47:22,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:47:22,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:22,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:22,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:22,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:23,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:23,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 438 states and 579 transitions. [2023-11-21 18:47:23,038 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 579 transitions. [2023-11-21 18:47:23,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:47:23,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:23,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:23,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:23,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:24,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:24,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 440 states and 582 transitions. [2023-11-21 18:47:24,424 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 582 transitions. [2023-11-21 18:47:24,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:47:24,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:24,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:24,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:24,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:25,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:25,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 439 states and 581 transitions. [2023-11-21 18:47:25,026 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 581 transitions. [2023-11-21 18:47:25,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:47:25,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:25,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat