./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-broom/sll-nested-sll-twice.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff 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_f71b6c82-36c6-4bdc-be11-4e2a4f7a41ff/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71b6c82-36c6-4bdc-be11-4e2a4f7a41ff/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71b6c82-36c6-4bdc-be11-4e2a4f7a41ff/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71b6c82-36c6-4bdc-be11-4e2a4f7a41ff/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-broom/sll-nested-sll-twice.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71b6c82-36c6-4bdc-be11-4e2a4f7a41ff/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71b6c82-36c6-4bdc-be11-4e2a4f7a41ff/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f6ffaa15235a1424658c74c69505398b6d7973f6f82933a9f22a2b097e3c0057 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:47:38,953 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:47:39,025 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71b6c82-36c6-4bdc-be11-4e2a4f7a41ff/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-19 02:47:39,030 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:47:39,030 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:47:39,055 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:47:39,057 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:47:39,057 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:47:39,058 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:47:39,059 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:47:39,059 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:47:39,060 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:47:39,060 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:47:39,061 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 02:47:39,061 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:47:39,062 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:47:39,063 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:47:39,063 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:47:39,064 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:47:39,064 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:47:39,065 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:47:39,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:47:39,066 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:47:39,066 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:47:39,067 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:47:39,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:47:39,068 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_f71b6c82-36c6-4bdc-be11-4e2a4f7a41ff/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71b6c82-36c6-4bdc-be11-4e2a4f7a41ff/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6ffaa15235a1424658c74c69505398b6d7973f6f82933a9f22a2b097e3c0057 [2023-11-19 02:47:39,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:47:39,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:47:39,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:47:39,394 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:47:39,395 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:47:39,396 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71b6c82-36c6-4bdc-be11-4e2a4f7a41ff/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/memsafety-broom/sll-nested-sll-twice.i [2023-11-19 02:47:42,735 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:47:43,044 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:47:43,045 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71b6c82-36c6-4bdc-be11-4e2a4f7a41ff/sv-benchmarks/c/memsafety-broom/sll-nested-sll-twice.i [2023-11-19 02:47:43,092 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71b6c82-36c6-4bdc-be11-4e2a4f7a41ff/bin/ukojak-verify-G8NBE6pJGL/data/57b595489/3b3a650804814805adca4d4cf2fd74f2/FLAGcd7f8380e [2023-11-19 02:47:43,112 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71b6c82-36c6-4bdc-be11-4e2a4f7a41ff/bin/ukojak-verify-G8NBE6pJGL/data/57b595489/3b3a650804814805adca4d4cf2fd74f2 [2023-11-19 02:47:43,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:47:43,121 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:47:43,125 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:47:43,126 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:47:43,131 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:47:43,134 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:43" (1/1) ... [2023-11-19 02:47:43,136 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f7e85f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:43, skipping insertion in model container [2023-11-19 02:47:43,136 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:43" (1/1) ... [2023-11-19 02:47:43,224 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:47:43,440 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:47:43,601 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:47:43,611 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:47:43,629 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:47:43,654 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:47:43,679 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:47:43,687 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:47:43,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:43 WrapperNode [2023-11-19 02:47:43,688 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:47:43,689 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:47:43,690 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:47:43,690 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:47:43,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:43" (1/1) ... [2023-11-19 02:47:43,712 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:43" (1/1) ... [2023-11-19 02:47:43,747 INFO L138 Inliner]: procedures = 123, calls = 44, calls flagged for inlining = 17, calls inlined = 23, statements flattened = 269 [2023-11-19 02:47:43,747 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:47:43,748 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:47:43,748 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:47:43,749 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:47:43,758 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:43" (1/1) ... [2023-11-19 02:47:43,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:43" (1/1) ... [2023-11-19 02:47:43,763 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:43" (1/1) ... [2023-11-19 02:47:43,764 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:43" (1/1) ... [2023-11-19 02:47:43,778 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:43" (1/1) ... [2023-11-19 02:47:43,783 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:43" (1/1) ... [2023-11-19 02:47:43,786 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:43" (1/1) ... [2023-11-19 02:47:43,788 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:43" (1/1) ... [2023-11-19 02:47:43,793 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:47:43,794 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:47:43,794 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:47:43,794 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:47:43,795 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:43" (1/1) ... [2023-11-19 02:47:43,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:47:43,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71b6c82-36c6-4bdc-be11-4e2a4f7a41ff/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:47:43,830 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71b6c82-36c6-4bdc-be11-4e2a4f7a41ff/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:47:43,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71b6c82-36c6-4bdc-be11-4e2a4f7a41ff/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:47:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:47:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:47:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:47:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:47:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:47:43,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:47:44,010 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:47:44,013 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:47:44,726 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:47:44,827 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:47:44,828 INFO L302 CfgBuilder]: Removed 11 assume(true) statements. [2023-11-19 02:47:44,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:47:44 BoogieIcfgContainer [2023-11-19 02:47:44,834 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:47:44,835 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:47:44,835 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:47:44,845 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:47:44,846 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:47:44" (1/1) ... [2023-11-19 02:47:44,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:47:44,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:44,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 163 states and 178 transitions. [2023-11-19 02:47:44,921 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 178 transitions. [2023-11-19 02:47:44,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 02:47:44,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:44,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:45,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:45,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:45,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 162 states and 177 transitions. [2023-11-19 02:47:45,134 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 177 transitions. [2023-11-19 02:47:45,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 02:47:45,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:45,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:45,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:45,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:45,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:45,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 161 states and 176 transitions. [2023-11-19 02:47:45,321 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 176 transitions. [2023-11-19 02:47:45,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:47:45,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:45,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:45,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:45,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:45,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:45,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 160 states and 175 transitions. [2023-11-19 02:47:45,413 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 175 transitions. [2023-11-19 02:47:45,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:47:45,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:45,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:45,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:45,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:45,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 159 states and 174 transitions. [2023-11-19 02:47:45,588 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 174 transitions. [2023-11-19 02:47:45,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:47:45,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:45,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:45,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:45,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:45,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 158 states and 173 transitions. [2023-11-19 02:47:45,633 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 173 transitions. [2023-11-19 02:47:45,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:47:45,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:45,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:45,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:45,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:45,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:45,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 157 states and 172 transitions. [2023-11-19 02:47:45,800 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 172 transitions. [2023-11-19 02:47:45,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:47:45,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:45,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:45,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:45,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:45,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:45,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 156 states and 171 transitions. [2023-11-19 02:47:45,903 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 171 transitions. [2023-11-19 02:47:45,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:47:45,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:45,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:46,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:46,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:46,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 155 states and 170 transitions. [2023-11-19 02:47:46,154 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 170 transitions. [2023-11-19 02:47:46,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:47:46,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:46,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:46,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:46,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:46,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:46,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 154 states and 168 transitions. [2023-11-19 02:47:46,289 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 168 transitions. [2023-11-19 02:47:46,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:47:46,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:46,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:46,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:46,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:46,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:46,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 153 states and 167 transitions. [2023-11-19 02:47:46,672 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 167 transitions. [2023-11-19 02:47:46,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:47:46,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:46,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:46,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:47,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:47,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 157 states and 173 transitions. [2023-11-19 02:47:47,148 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 173 transitions. [2023-11-19 02:47:47,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:47:47,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:47,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:47,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:47,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:47,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:47,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 161 states and 179 transitions. [2023-11-19 02:47:47,855 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 179 transitions. [2023-11-19 02:47:47,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:47:47,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:47,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:47,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:48,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:48,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:48,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 165 states and 188 transitions. [2023-11-19 02:47:48,549 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 188 transitions. [2023-11-19 02:47:48,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:47:48,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:48,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:48,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:48,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:49,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:49,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 169 states and 197 transitions. [2023-11-19 02:47:49,509 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 197 transitions. [2023-11-19 02:47:49,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:47:49,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:49,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:49,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:49,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:49,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:49,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 168 states and 196 transitions. [2023-11-19 02:47:49,581 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 196 transitions. [2023-11-19 02:47:49,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:47:49,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:49,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:49,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:49,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:49,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:49,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 167 states and 195 transitions. [2023-11-19 02:47:49,686 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 195 transitions. [2023-11-19 02:47:49,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:47:49,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:49,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:49,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:49,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:49,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 166 states and 194 transitions. [2023-11-19 02:47:49,740 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 194 transitions. [2023-11-19 02:47:49,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:47:49,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:49,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:49,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:49,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:50,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:50,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 167 states and 200 transitions. [2023-11-19 02:47:50,354 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 200 transitions. [2023-11-19 02:47:50,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:47:50,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:50,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:50,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:50,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:50,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:50,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 166 states and 198 transitions. [2023-11-19 02:47:50,420 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 198 transitions. [2023-11-19 02:47:50,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:47:50,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:50,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:50,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:50,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:50,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:50,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 165 states and 197 transitions. [2023-11-19 02:47:50,507 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 197 transitions. [2023-11-19 02:47:50,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:47:50,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:50,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:50,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:50,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:50,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 169 states and 203 transitions. [2023-11-19 02:47:50,628 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 203 transitions. [2023-11-19 02:47:50,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:47:50,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:50,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:50,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:51,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:51,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:51,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 174 states and 211 transitions. [2023-11-19 02:47:51,862 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 211 transitions. [2023-11-19 02:47:51,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:47:51,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:51,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:51,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:52,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:52,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 178 states and 220 transitions. [2023-11-19 02:47:52,429 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 220 transitions. [2023-11-19 02:47:52,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:47:52,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:52,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:52,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:52,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:53,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:53,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 182 states and 229 transitions. [2023-11-19 02:47:53,177 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 229 transitions. [2023-11-19 02:47:53,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:47:53,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:53,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:53,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:54,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:54,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 185 states and 234 transitions. [2023-11-19 02:47:54,496 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 234 transitions. [2023-11-19 02:47:54,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:47:54,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:54,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:54,908 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:56,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:56,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 190 states and 244 transitions. [2023-11-19 02:47:56,649 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 244 transitions. [2023-11-19 02:47:56,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:47:56,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:56,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:56,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:56,959 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:58,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:58,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 193 states and 247 transitions. [2023-11-19 02:47:58,284 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 247 transitions. [2023-11-19 02:47:58,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:47:58,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:58,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:58,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:58,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:58,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:58,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 192 states and 246 transitions. [2023-11-19 02:47:58,406 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 246 transitions. [2023-11-19 02:47:58,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:47:58,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:58,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:58,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:58,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:58,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:58,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 193 states and 252 transitions. [2023-11-19 02:47:58,528 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 252 transitions. [2023-11-19 02:47:58,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:47:58,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:58,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:58,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:58,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:58,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:58,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 192 states and 250 transitions. [2023-11-19 02:47:58,598 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 250 transitions. [2023-11-19 02:47:58,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:47:58,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:58,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:58,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:58,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:58,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 191 states and 249 transitions. [2023-11-19 02:47:58,680 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 249 transitions. [2023-11-19 02:47:58,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:47:58,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:58,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:58,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:58,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:58,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:58,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 190 states and 248 transitions. [2023-11-19 02:47:58,730 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 248 transitions. [2023-11-19 02:47:58,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:47:58,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:58,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:58,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:59,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:59,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 189 states and 247 transitions. [2023-11-19 02:47:59,356 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 247 transitions. [2023-11-19 02:47:59,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:47:59,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:59,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:59,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:59,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:02,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:02,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 203 states and 279 transitions. [2023-11-19 02:48:02,006 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 279 transitions. [2023-11-19 02:48:02,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:48:02,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:02,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:02,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:06,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:06,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 217 states and 312 transitions. [2023-11-19 02:48:06,495 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 312 transitions. [2023-11-19 02:48:06,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:48:06,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:06,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:06,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:06,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:06,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 216 states and 311 transitions. [2023-11-19 02:48:06,566 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 311 transitions. [2023-11-19 02:48:06,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:48:06,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:06,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:06,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:06,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:06,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:06,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 215 states and 310 transitions. [2023-11-19 02:48:06,889 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 310 transitions. [2023-11-19 02:48:06,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:48:06,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:06,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:06,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:07,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:08,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:08,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 218 states and 315 transitions. [2023-11-19 02:48:08,710 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 315 transitions. [2023-11-19 02:48:08,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:48:08,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:08,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:08,888 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:10,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:10,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 221 states and 318 transitions. [2023-11-19 02:48:10,018 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 318 transitions. [2023-11-19 02:48:10,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:48:10,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:10,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:10,441 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:11,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:11,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 222 states and 319 transitions. [2023-11-19 02:48:11,685 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 319 transitions. [2023-11-19 02:48:11,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:48:11,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:11,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:12,590 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:14,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:14,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 223 states and 320 transitions. [2023-11-19 02:48:14,320 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 320 transitions. [2023-11-19 02:48:14,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:48:14,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:14,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:14,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:14,793 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:16,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:16,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 225 states and 324 transitions. [2023-11-19 02:48:16,072 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 324 transitions. [2023-11-19 02:48:16,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:48:16,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:16,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:16,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:16,708 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:17,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:17,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 227 states and 325 transitions. [2023-11-19 02:48:17,908 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 325 transitions. [2023-11-19 02:48:17,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:48:17,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:17,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:17,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:18,111 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:18,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:18,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 163 states and 198 transitions. [2023-11-19 02:48:18,695 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 198 transitions. [2023-11-19 02:48:18,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:48:18,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:18,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:19,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:24,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:24,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 176 states and 221 transitions. [2023-11-19 02:48:24,612 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 221 transitions. [2023-11-19 02:48:24,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:48:24,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:24,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:24,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:24,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:26,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:26,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 182 states and 233 transitions. [2023-11-19 02:48:26,012 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 233 transitions. [2023-11-19 02:48:26,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:48:26,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:26,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:27,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.