./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 cf1a7837 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_aeb476ea-f8cd-4bb4-a555-81514756de7a/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeb476ea-f8cd-4bb4-a555-81514756de7a/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeb476ea-f8cd-4bb4-a555-81514756de7a/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeb476ea-f8cd-4bb4-a555-81514756de7a/bin/ukojak-verify-0OAaufAVZV/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_aeb476ea-f8cd-4bb4-a555-81514756de7a/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeb476ea-f8cd-4bb4-a555-81514756de7a/bin/ukojak-verify-0OAaufAVZV --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-cf1a783 [2023-11-12 00:03:37,728 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:03:37,861 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeb476ea-f8cd-4bb4-a555-81514756de7a/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-12 00:03:37,873 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:03:37,874 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:03:37,914 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:03:37,917 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:03:37,917 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:03:37,918 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:03:37,923 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:03:37,924 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:03:37,924 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:03:37,925 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:03:37,927 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 00:03:37,927 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 00:03:37,928 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 00:03:37,928 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:03:37,929 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:03:37,929 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:03:37,930 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:03:37,930 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:03:37,931 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:03:37,932 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:03:37,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:03:37,933 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:03:37,933 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:03:37,934 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:03:37,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:03:37,934 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_aeb476ea-f8cd-4bb4-a555-81514756de7a/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeb476ea-f8cd-4bb4-a555-81514756de7a/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74e63e86abbcab22438f70ee6d7d7ef12eaada509b0f0a56fb5cf815aaf53aab [2023-11-12 00:03:38,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:03:38,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:03:38,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:03:38,267 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:03:38,268 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:03:38,270 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeb476ea-f8cd-4bb4-a555-81514756de7a/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/recursive-with-pointer/system-with-recursion.i [2023-11-12 00:03:41,604 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:03:42,005 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:03:42,009 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeb476ea-f8cd-4bb4-a555-81514756de7a/sv-benchmarks/c/recursive-with-pointer/system-with-recursion.i [2023-11-12 00:03:42,027 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeb476ea-f8cd-4bb4-a555-81514756de7a/bin/ukojak-verify-0OAaufAVZV/data/acf20f7f3/83fa306bcaac4d45a8fee09a50c3aee0/FLAG8e0de7a7f [2023-11-12 00:03:42,041 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeb476ea-f8cd-4bb4-a555-81514756de7a/bin/ukojak-verify-0OAaufAVZV/data/acf20f7f3/83fa306bcaac4d45a8fee09a50c3aee0 [2023-11-12 00:03:42,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:03:42,046 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:03:42,047 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:03:42,048 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:03:42,055 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:03:42,055 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:03:42" (1/1) ... [2023-11-12 00:03:42,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@757c608d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:42, skipping insertion in model container [2023-11-12 00:03:42,057 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:03:42" (1/1) ... [2023-11-12 00:03:42,138 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:03:42,677 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:03:42,694 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:03:42,798 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:03:42,850 WARN L672 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:03:42,858 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:03:42,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:42 WrapperNode [2023-11-12 00:03:42,859 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:03:42,861 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:03:42,861 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:03:42,861 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:03:42,869 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:42" (1/1) ... [2023-11-12 00:03:42,908 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:42" (1/1) ... [2023-11-12 00:03:43,006 INFO L138 Inliner]: procedures = 184, calls = 150, calls flagged for inlining = 20, calls inlined = 20, statements flattened = 339 [2023-11-12 00:03:43,008 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:03:43,009 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:03:43,010 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:03:43,010 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:03:43,042 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:42" (1/1) ... [2023-11-12 00:03:43,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:42" (1/1) ... [2023-11-12 00:03:43,049 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:42" (1/1) ... [2023-11-12 00:03:43,050 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:42" (1/1) ... [2023-11-12 00:03:43,086 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:42" (1/1) ... [2023-11-12 00:03:43,095 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:42" (1/1) ... [2023-11-12 00:03:43,102 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:42" (1/1) ... [2023-11-12 00:03:43,119 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:42" (1/1) ... [2023-11-12 00:03:43,125 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:03:43,126 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:03:43,126 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:03:43,126 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:03:43,127 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:42" (1/1) ... [2023-11-12 00:03:43,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:03:43,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeb476ea-f8cd-4bb4-a555-81514756de7a/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:03:43,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeb476ea-f8cd-4bb4-a555-81514756de7a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:03:43,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeb476ea-f8cd-4bb4-a555-81514756de7a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:03:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:03:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure event_precess [2023-11-12 00:03:43,235 INFO L138 BoogieDeclarations]: Found implementation of procedure event_precess [2023-11-12 00:03:43,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:03:43,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:03:43,237 INFO L130 BoogieDeclarations]: Found specification of procedure ASNull [2023-11-12 00:03:43,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ASNull [2023-11-12 00:03:43,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:03:43,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:03:43,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:03:43,238 INFO L130 BoogieDeclarations]: Found specification of procedure ASStart [2023-11-12 00:03:43,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ASStart [2023-11-12 00:03:43,240 INFO L130 BoogieDeclarations]: Found specification of procedure message_send [2023-11-12 00:03:43,240 INFO L138 BoogieDeclarations]: Found implementation of procedure message_send [2023-11-12 00:03:43,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:03:43,241 INFO L130 BoogieDeclarations]: Found specification of procedure ASIdle [2023-11-12 00:03:43,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ASIdle [2023-11-12 00:03:43,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:03:43,242 INFO L130 BoogieDeclarations]: Found specification of procedure system_initialize [2023-11-12 00:03:43,243 INFO L138 BoogieDeclarations]: Found implementation of procedure system_initialize [2023-11-12 00:03:43,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:03:43,244 INFO L130 BoogieDeclarations]: Found specification of procedure ASStop [2023-11-12 00:03:43,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ASStop [2023-11-12 00:03:43,244 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-12 00:03:43,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:03:43,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:03:43,430 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:03:43,432 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:03:44,466 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:03:44,643 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:03:44,643 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:03:44,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:03:44 BoogieIcfgContainer [2023-11-12 00:03:44,649 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:03:44,651 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:03:44,651 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:03:44,663 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:03:44,663 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:03:44" (1/1) ... [2023-11-12 00:03:44,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:03:44,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:44,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 387 states and 434 transitions. [2023-11-12 00:03:44,759 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 434 transitions. [2023-11-12 00:03:44,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-12 00:03:44,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:44,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:45,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:45,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:45,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 386 states and 433 transitions. [2023-11-12 00:03:45,202 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 433 transitions. [2023-11-12 00:03:45,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-12 00:03:45,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:45,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:45,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:45,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:45,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 385 states and 432 transitions. [2023-11-12 00:03:45,409 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 432 transitions. [2023-11-12 00:03:45,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-12 00:03:45,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:45,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:45,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:45,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:45,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 384 states and 431 transitions. [2023-11-12 00:03:45,459 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 431 transitions. [2023-11-12 00:03:45,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-12 00:03:45,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:45,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:45,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:45,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:45,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 383 states and 430 transitions. [2023-11-12 00:03:45,853 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 430 transitions. [2023-11-12 00:03:45,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-12 00:03:45,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:45,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:45,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:45,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:45,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:45,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 382 states and 429 transitions. [2023-11-12 00:03:45,919 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 429 transitions. [2023-11-12 00:03:45,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-12 00:03:45,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:45,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:46,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:46,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:46,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 381 states and 428 transitions. [2023-11-12 00:03:46,225 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 428 transitions. [2023-11-12 00:03:46,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-12 00:03:46,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:46,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:46,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:47,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:47,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 380 states and 427 transitions. [2023-11-12 00:03:47,048 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 427 transitions. [2023-11-12 00:03:47,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-12 00:03:47,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:47,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:47,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:48,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:48,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 379 states and 426 transitions. [2023-11-12 00:03:48,558 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 426 transitions. [2023-11-12 00:03:48,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-12 00:03:48,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:48,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:48,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:48,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:48,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 378 states and 425 transitions. [2023-11-12 00:03:48,798 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 425 transitions. [2023-11-12 00:03:48,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-12 00:03:48,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:48,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:48,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:49,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:49,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 377 states and 424 transitions. [2023-11-12 00:03:49,102 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 424 transitions. [2023-11-12 00:03:49,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:03:49,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:49,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:49,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:49,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:49,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:49,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 376 states and 423 transitions. [2023-11-12 00:03:49,151 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 423 transitions. [2023-11-12 00:03:49,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:03:49,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:49,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:49,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:49,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:49,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 375 states and 422 transitions. [2023-11-12 00:03:49,224 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 422 transitions. [2023-11-12 00:03:49,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:03:49,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:49,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:49,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:49,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:49,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 374 states and 421 transitions. [2023-11-12 00:03:49,276 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 421 transitions. [2023-11-12 00:03:49,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:03:49,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:49,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:49,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:49,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:49,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 373 states and 420 transitions. [2023-11-12 00:03:49,355 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 420 transitions. [2023-11-12 00:03:49,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:03:49,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:49,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:49,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:49,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:49,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:49,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 372 states and 419 transitions. [2023-11-12 00:03:49,554 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 419 transitions. [2023-11-12 00:03:49,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:03:49,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:49,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:49,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:49,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:49,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 371 states and 418 transitions. [2023-11-12 00:03:49,996 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 418 transitions. [2023-11-12 00:03:49,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-12 00:03:49,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:49,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:50,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:50,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:50,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 373 states and 428 transitions. [2023-11-12 00:03:50,518 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 428 transitions. [2023-11-12 00:03:50,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-12 00:03:50,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:50,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:50,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:52,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:52,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 375 states and 438 transitions. [2023-11-12 00:03:52,291 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 438 transitions. [2023-11-12 00:03:52,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 00:03:52,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:52,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:52,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:52,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:54,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:54,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 382 states and 456 transitions. [2023-11-12 00:03:54,108 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 456 transitions. [2023-11-12 00:03:54,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 00:03:54,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:54,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:54,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:54,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:57,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:57,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 389 states and 475 transitions. [2023-11-12 00:03:57,690 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 475 transitions. [2023-11-12 00:03:57,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 00:03:57,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:57,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:58,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:58,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:58,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 393 states and 480 transitions. [2023-11-12 00:03:58,311 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 480 transitions. [2023-11-12 00:03:58,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 00:03:58,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:58,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:58,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:59,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:02,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:02,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 401 states and 501 transitions. [2023-11-12 00:04:02,559 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 501 transitions. [2023-11-12 00:04:02,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 00:04:02,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:02,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:02,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:03,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:07,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:07,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 404 states and 518 transitions. [2023-11-12 00:04:07,341 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 518 transitions. [2023-11-12 00:04:07,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:04:07,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:07,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:07,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:07,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:08,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:08,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 408 states and 523 transitions. [2023-11-12 00:04:08,092 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 523 transitions. [2023-11-12 00:04:08,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:04:08,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:08,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:08,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:10,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:10,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 412 states and 530 transitions. [2023-11-12 00:04:10,174 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 530 transitions. [2023-11-12 00:04:10,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:04:10,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:10,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:10,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:10,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:13,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:13,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 419 states and 544 transitions. [2023-11-12 00:04:13,110 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 544 transitions. [2023-11-12 00:04:13,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:04:13,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:13,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:13,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:13,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:17,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:17,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 427 states and 561 transitions. [2023-11-12 00:04:17,439 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 561 transitions. [2023-11-12 00:04:17,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:04:17,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:17,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:17,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:17,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:17,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:17,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 426 states and 560 transitions. [2023-11-12 00:04:17,922 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 560 transitions. [2023-11-12 00:04:17,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:04:17,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:17,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:19,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:26,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:26,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 435 states and 586 transitions. [2023-11-12 00:04:26,678 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 586 transitions. [2023-11-12 00:04:26,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:04:26,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:26,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:27,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:28,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:28,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 439 states and 594 transitions. [2023-11-12 00:04:28,033 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 594 transitions. [2023-11-12 00:04:28,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:04:28,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:28,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:28,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:30,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:30,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 443 states and 598 transitions. [2023-11-12 00:04:30,892 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 598 transitions. [2023-11-12 00:04:30,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-12 00:04:30,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:30,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:30,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat