./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrncat-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c39806d-f170-49f6-8b02-b1f842d75919/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c39806d-f170-49f6-8b02-b1f842d75919/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_3c39806d-f170-49f6-8b02-b1f842d75919/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c39806d-f170-49f6-8b02-b1f842d75919/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrncat-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c39806d-f170-49f6-8b02-b1f842d75919/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c39806d-f170-49f6-8b02-b1f842d75919/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 32bit --witnessprinter.graph.data.programhash 34885b99d6eef31987b044fabc3622fa239d5dff7e774ca124915f70431dc2b3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:52:10,820 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:52:10,904 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c39806d-f170-49f6-8b02-b1f842d75919/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 02:52:10,909 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:52:10,910 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:52:10,937 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:52:10,939 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:52:10,940 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:52:10,940 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:52:10,941 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:52:10,942 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:52:10,943 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:52:10,943 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:52:10,944 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:52:10,945 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:52:10,945 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 02:52:10,946 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:52:10,947 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:52:10,948 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:52:10,948 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:52:10,949 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:52:10,950 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:52:10,951 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:52:10,951 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:52:10,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:52:10,953 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:52:10,954 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:52:10,954 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:52:10,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:52:10,969 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_3c39806d-f170-49f6-8b02-b1f842d75919/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c39806d-f170-49f6-8b02-b1f842d75919/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34885b99d6eef31987b044fabc3622fa239d5dff7e774ca124915f70431dc2b3 [2023-11-19 02:52:11,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:52:11,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:52:11,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:52:11,305 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:52:11,306 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:52:11,308 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c39806d-f170-49f6-8b02-b1f842d75919/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/array-memsafety/openbsd_cstrncat-alloca-2.i [2023-11-19 02:52:14,742 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:52:15,075 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:52:15,075 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c39806d-f170-49f6-8b02-b1f842d75919/sv-benchmarks/c/array-memsafety/openbsd_cstrncat-alloca-2.i [2023-11-19 02:52:15,101 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c39806d-f170-49f6-8b02-b1f842d75919/bin/ukojak-verify-G8NBE6pJGL/data/a3f714cf6/6574ed1eee9c4266a2ccf4f4bbea5cf8/FLAGbd3a60f40 [2023-11-19 02:52:15,122 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c39806d-f170-49f6-8b02-b1f842d75919/bin/ukojak-verify-G8NBE6pJGL/data/a3f714cf6/6574ed1eee9c4266a2ccf4f4bbea5cf8 [2023-11-19 02:52:15,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:52:15,132 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:52:15,134 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:52:15,134 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:52:15,139 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:52:15,140 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:52:15" (1/1) ... [2023-11-19 02:52:15,142 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f227ec5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:15, skipping insertion in model container [2023-11-19 02:52:15,142 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:52:15" (1/1) ... [2023-11-19 02:52:15,202 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:52:15,672 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:52:15,686 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:52:15,732 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:52:15,769 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:52:15,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:15 WrapperNode [2023-11-19 02:52:15,770 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:52:15,771 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:52:15,771 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:52:15,772 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:52:15,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:15" (1/1) ... [2023-11-19 02:52:15,797 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:15" (1/1) ... [2023-11-19 02:52:15,827 INFO L138 Inliner]: procedures = 117, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 110 [2023-11-19 02:52:15,828 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:52:15,829 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:52:15,829 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:52:15,829 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:52:15,839 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:15" (1/1) ... [2023-11-19 02:52:15,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:15" (1/1) ... [2023-11-19 02:52:15,845 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:15" (1/1) ... [2023-11-19 02:52:15,845 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:15" (1/1) ... [2023-11-19 02:52:15,854 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:15" (1/1) ... [2023-11-19 02:52:15,859 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:15" (1/1) ... [2023-11-19 02:52:15,861 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:15" (1/1) ... [2023-11-19 02:52:15,863 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:15" (1/1) ... [2023-11-19 02:52:15,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:52:15,868 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:52:15,869 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:52:15,869 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:52:15,870 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:15" (1/1) ... [2023-11-19 02:52:15,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:52:15,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c39806d-f170-49f6-8b02-b1f842d75919/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:52:15,911 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c39806d-f170-49f6-8b02-b1f842d75919/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:52:15,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c39806d-f170-49f6-8b02-b1f842d75919/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:52:15,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:52:15,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:52:15,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:52:15,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:52:15,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:52:15,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:52:16,115 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:52:16,118 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:52:16,415 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:52:16,526 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:52:16,527 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 02:52:16,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:52:16 BoogieIcfgContainer [2023-11-19 02:52:16,532 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:52:16,533 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:52:16,533 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:52:16,544 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:52:16,544 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:52:16" (1/1) ... [2023-11-19 02:52:16,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:52:16,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:16,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 37 states and 45 transitions. [2023-11-19 02:52:16,612 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2023-11-19 02:52:16,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:52:16,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:16,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:16,934 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 02:52:17,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:17,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 38 states and 46 transitions. [2023-11-19 02:52:17,005 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2023-11-19 02:52:17,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:52:17,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:17,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:17,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:17,326 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 02:52:17,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:17,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 37 states and 45 transitions. [2023-11-19 02:52:17,381 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2023-11-19 02:52:17,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:52:17,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:17,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:17,946 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 02:52:18,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:18,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 49 transitions. [2023-11-19 02:52:18,561 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2023-11-19 02:52:18,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:52:18,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:18,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:18,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:18,674 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 02:52:18,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:18,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 41 states and 53 transitions. [2023-11-19 02:52:18,947 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 53 transitions. [2023-11-19 02:52:18,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:52:18,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:18,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:19,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:20,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:20,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 42 states and 56 transitions. [2023-11-19 02:52:20,008 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2023-11-19 02:52:20,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:52:20,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:20,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:20,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:20,192 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 02:52:20,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:20,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 42 states and 55 transitions. [2023-11-19 02:52:20,893 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2023-11-19 02:52:20,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:52:20,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:20,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:20,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:21,402 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 02:52:22,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:22,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 45 states and 64 transitions. [2023-11-19 02:52:22,975 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2023-11-19 02:52:22,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:52:22,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:22,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:22,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:23,226 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:24,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:24,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 47 states and 74 transitions. [2023-11-19 02:52:24,588 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 74 transitions. [2023-11-19 02:52:24,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:52:24,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:24,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:24,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:24,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:24,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 48 states and 77 transitions. [2023-11-19 02:52:24,997 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 77 transitions. [2023-11-19 02:52:24,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:52:24,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:24,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:25,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:25,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:28,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:28,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 51 states and 93 transitions. [2023-11-19 02:52:28,464 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 93 transitions. [2023-11-19 02:52:28,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:52:28,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:28,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:28,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:29,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:29,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 53 states and 100 transitions. [2023-11-19 02:52:29,225 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 100 transitions. [2023-11-19 02:52:29,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:52:29,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:29,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:29,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:29,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:29,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 54 states and 104 transitions. [2023-11-19 02:52:29,860 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 104 transitions. [2023-11-19 02:52:29,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:52:29,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:29,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:29,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:29,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:30,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:30,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 54 states and 103 transitions. [2023-11-19 02:52:30,330 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 103 transitions. [2023-11-19 02:52:30,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:52:30,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:30,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:30,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:30,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:30,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 55 states and 106 transitions. [2023-11-19 02:52:30,957 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 106 transitions. [2023-11-19 02:52:30,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:52:30,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:30,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:30,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:31,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:31,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 56 states and 107 transitions. [2023-11-19 02:52:31,475 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 107 transitions. [2023-11-19 02:52:31,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:52:31,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:31,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:31,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:33,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:36,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:36,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 60 states and 123 transitions. [2023-11-19 02:52:36,185 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 123 transitions. [2023-11-19 02:52:36,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:52:36,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:36,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:36,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:36,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:52:41,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:41,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 64 states and 136 transitions. [2023-11-19 02:52:41,640 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 136 transitions. [2023-11-19 02:52:41,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:52:41,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:41,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:41,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:52:43,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:43,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 66 states and 138 transitions. [2023-11-19 02:52:43,326 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 138 transitions. [2023-11-19 02:52:43,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:52:43,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:43,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:43,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:44,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:52:45,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:45,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 68 states and 145 transitions. [2023-11-19 02:52:45,821 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 145 transitions. [2023-11-19 02:52:45,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:52:45,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:45,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:45,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:46,621 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:47,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:47,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 64 states and 124 transitions. [2023-11-19 02:52:47,869 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 124 transitions. [2023-11-19 02:52:47,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:52:47,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:47,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:47,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:47,995 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:52:48,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:48,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 65 states and 129 transitions. [2023-11-19 02:52:48,761 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 129 transitions. [2023-11-19 02:52:48,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:52:48,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:48,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:48,799 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:52:50,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:50,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 67 states and 137 transitions. [2023-11-19 02:52:50,127 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 137 transitions. [2023-11-19 02:52:50,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:52:50,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:50,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:50,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:51,483 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:55,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:55,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 71 states and 154 transitions. [2023-11-19 02:52:55,764 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 154 transitions. [2023-11-19 02:52:55,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:52:55,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:55,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:55,877 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:52:56,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:56,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 72 states and 161 transitions. [2023-11-19 02:52:56,886 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 161 transitions. [2023-11-19 02:52:56,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:52:56,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:56,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:57,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:58,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:58,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 74 states and 166 transitions. [2023-11-19 02:52:58,345 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 166 transitions. [2023-11-19 02:52:58,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:52:58,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:58,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:58,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:59,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:01,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:01,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 77 states and 174 transitions. [2023-11-19 02:53:01,821 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 174 transitions. [2023-11-19 02:53:01,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:53:01,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:01,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:01,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:02,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:02,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 78 states and 174 transitions. [2023-11-19 02:53:02,762 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 174 transitions. [2023-11-19 02:53:02,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:53:02,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:02,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:02,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:03,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:03,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 78 states and 173 transitions. [2023-11-19 02:53:03,491 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 173 transitions. [2023-11-19 02:53:03,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:53:03,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:03,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:03,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:04,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.