./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2c_prepend_unequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_68d7520a-5c3b-42c9-b646-8166e51c3ddc/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d7520a-5c3b-42c9-b646-8166e51c3ddc/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_68d7520a-5c3b-42c9-b646-8166e51c3ddc/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d7520a-5c3b-42c9-b646-8166e51c3ddc/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2c_prepend_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d7520a-5c3b-42c9-b646-8166e51c3ddc/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_68d7520a-5c3b-42c9-b646-8166e51c3ddc/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 583b66b9d59d34de12ff7e58a8eb24a95055476e3f5044dc2a7c6b2bb83f4c67 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:59:39,875 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:59:39,996 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d7520a-5c3b-42c9-b646-8166e51c3ddc/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:59:40,004 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:59:40,005 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:59:40,037 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:59:40,038 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:59:40,039 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:59:40,040 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:59:40,041 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:59:40,042 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:59:40,043 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:59:40,043 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:59:40,044 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:59:40,044 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:59:40,045 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:59:40,046 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:59:40,046 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:59:40,047 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:59:40,047 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:59:40,048 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:59:40,048 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:59:40,049 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:59:40,050 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:59:40,050 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:59:40,051 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:59:40,051 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:59:40,052 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:59:40,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:59:40,053 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_68d7520a-5c3b-42c9-b646-8166e51c3ddc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d7520a-5c3b-42c9-b646-8166e51c3ddc/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 583b66b9d59d34de12ff7e58a8eb24a95055476e3f5044dc2a7c6b2bb83f4c67 [2023-11-19 03:59:40,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:59:40,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:59:40,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:59:40,482 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:59:40,483 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:59:40,484 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d7520a-5c3b-42c9-b646-8166e51c3ddc/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/list-simple/dll2c_prepend_unequal.i [2023-11-19 03:59:43,594 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:59:43,960 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:59:43,961 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d7520a-5c3b-42c9-b646-8166e51c3ddc/sv-benchmarks/c/list-simple/dll2c_prepend_unequal.i [2023-11-19 03:59:43,986 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d7520a-5c3b-42c9-b646-8166e51c3ddc/bin/ukojak-verify-G8NBE6pJGL/data/adff9c407/b7a49b66a3da4c84adba76ee9d009d94/FLAG040f50762 [2023-11-19 03:59:44,010 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d7520a-5c3b-42c9-b646-8166e51c3ddc/bin/ukojak-verify-G8NBE6pJGL/data/adff9c407/b7a49b66a3da4c84adba76ee9d009d94 [2023-11-19 03:59:44,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:59:44,021 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:59:44,025 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:59:44,025 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:59:44,030 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:59:44,031 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:59:44" (1/1) ... [2023-11-19 03:59:44,032 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66a7e92f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:44, skipping insertion in model container [2023-11-19 03:59:44,033 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:59:44" (1/1) ... [2023-11-19 03:59:44,099 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:59:44,458 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:59:44,471 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:59:44,548 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:59:44,588 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:59:44,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:44 WrapperNode [2023-11-19 03:59:44,589 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:59:44,590 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:59:44,591 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:59:44,591 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:59:44,599 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:44" (1/1) ... [2023-11-19 03:59:44,626 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:44" (1/1) ... [2023-11-19 03:59:44,663 INFO L138 Inliner]: procedures = 127, calls = 50, calls flagged for inlining = 10, calls inlined = 12, statements flattened = 183 [2023-11-19 03:59:44,666 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:59:44,667 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:59:44,667 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:59:44,668 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:59:44,683 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:44" (1/1) ... [2023-11-19 03:59:44,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:44" (1/1) ... [2023-11-19 03:59:44,692 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:44" (1/1) ... [2023-11-19 03:59:44,692 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:44" (1/1) ... [2023-11-19 03:59:44,704 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:44" (1/1) ... [2023-11-19 03:59:44,708 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:44" (1/1) ... [2023-11-19 03:59:44,711 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:44" (1/1) ... [2023-11-19 03:59:44,713 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:44" (1/1) ... [2023-11-19 03:59:44,718 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:59:44,719 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:59:44,719 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:59:44,719 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:59:44,720 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:44" (1/1) ... [2023-11-19 03:59:44,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:59:44,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d7520a-5c3b-42c9-b646-8166e51c3ddc/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:59:44,755 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d7520a-5c3b-42c9-b646-8166e51c3ddc/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:59:44,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d7520a-5c3b-42c9-b646-8166e51c3ddc/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:59:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:59:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:59:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:59:44,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:59:44,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:59:44,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:59:44,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:59:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:59:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:59:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:59:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:59:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:59:44,937 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:59:44,939 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:59:45,572 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:59:45,674 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:59:45,674 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:59:45,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:59:45 BoogieIcfgContainer [2023-11-19 03:59:45,682 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:59:45,684 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:59:45,684 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:59:45,692 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:59:45,693 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:59:45" (1/1) ... [2023-11-19 03:59:45,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:59:45,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:45,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 141 states and 154 transitions. [2023-11-19 03:59:45,764 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 154 transitions. [2023-11-19 03:59:45,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:59:45,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:45,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:46,029 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 03:59:46,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:46,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 140 states and 153 transitions. [2023-11-19 03:59:46,066 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 153 transitions. [2023-11-19 03:59:46,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:59:46,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:46,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:46,270 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 03:59:46,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:46,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 139 states and 152 transitions. [2023-11-19 03:59:46,380 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 152 transitions. [2023-11-19 03:59:46,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:59:46,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:46,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:46,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:46,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:46,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 138 states and 151 transitions. [2023-11-19 03:59:46,484 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 151 transitions. [2023-11-19 03:59:46,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:59:46,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:46,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:46,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:46,627 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 03:59:46,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:46,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 137 states and 150 transitions. [2023-11-19 03:59:46,826 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 150 transitions. [2023-11-19 03:59:46,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:59:46,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:46,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:46,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:46,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:46,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 136 states and 149 transitions. [2023-11-19 03:59:46,887 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 149 transitions. [2023-11-19 03:59:46,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:59:46,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:46,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:47,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:47,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:47,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 135 states and 148 transitions. [2023-11-19 03:59:47,075 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 148 transitions. [2023-11-19 03:59:47,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:59:47,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:47,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:47,173 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 03:59:47,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:47,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 136 states and 150 transitions. [2023-11-19 03:59:47,345 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 150 transitions. [2023-11-19 03:59:47,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:59:47,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:47,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:47,418 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 03:59:47,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:47,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 135 states and 149 transitions. [2023-11-19 03:59:47,451 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 149 transitions. [2023-11-19 03:59:47,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:59:47,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:47,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:47,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:47,552 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 03:59:47,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:47,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 134 states and 148 transitions. [2023-11-19 03:59:47,587 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 148 transitions. [2023-11-19 03:59:47,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:59:47,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:47,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:47,635 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 03:59:47,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:47,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 133 states and 147 transitions. [2023-11-19 03:59:47,656 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 147 transitions. [2023-11-19 03:59:47,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:59:47,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:47,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:47,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:47,753 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 03:59:47,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:47,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 132 states and 146 transitions. [2023-11-19 03:59:47,771 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 146 transitions. [2023-11-19 03:59:47,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:59:47,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:47,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:47,808 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 03:59:47,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:47,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 131 states and 145 transitions. [2023-11-19 03:59:47,825 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 145 transitions. [2023-11-19 03:59:47,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:59:47,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:47,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:47,919 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 03:59:47,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:47,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 130 states and 144 transitions. [2023-11-19 03:59:47,947 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 144 transitions. [2023-11-19 03:59:47,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:59:47,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:47,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:47,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:48,034 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 03:59:48,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:48,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 129 states and 143 transitions. [2023-11-19 03:59:48,072 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 143 transitions. [2023-11-19 03:59:48,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:59:48,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:48,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:48,302 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 03:59:48,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:48,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 128 states and 142 transitions. [2023-11-19 03:59:48,492 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 142 transitions. [2023-11-19 03:59:48,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:59:48,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:48,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:48,812 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 03:59:49,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:49,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 136 states and 155 transitions. [2023-11-19 03:59:49,441 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 155 transitions. [2023-11-19 03:59:49,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:59:49,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:49,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:49,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:49,762 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 03:59:50,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:50,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 144 states and 168 transitions. [2023-11-19 03:59:50,648 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2023-11-19 03:59:50,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:59:50,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:50,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:50,843 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 03:59:52,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:52,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 150 states and 175 transitions. [2023-11-19 03:59:52,249 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 175 transitions. [2023-11-19 03:59:52,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:59:52,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:52,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:52,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:52,546 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 03:59:54,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:54,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 161 states and 203 transitions. [2023-11-19 03:59:54,685 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 203 transitions. [2023-11-19 03:59:54,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:59:54,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:54,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:54,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:55,190 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 03:59:58,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:58,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 172 states and 234 transitions. [2023-11-19 03:59:58,393 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 234 transitions. [2023-11-19 03:59:58,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:59:58,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:58,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:58,528 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 04:00:00,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:00,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 176 states and 247 transitions. [2023-11-19 04:00:00,298 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 247 transitions. [2023-11-19 04:00:00,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:00:00,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:00,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:00,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:00,712 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 04:00:03,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:03,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 180 states and 264 transitions. [2023-11-19 04:00:03,827 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 264 transitions. [2023-11-19 04:00:03,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:00:03,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:03,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:03,921 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 04:00:03,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:03,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 179 states and 263 transitions. [2023-11-19 04:00:03,951 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 263 transitions. [2023-11-19 04:00:03,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:00:03,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:03,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:04,127 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 04:00:04,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:04,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 178 states and 262 transitions. [2023-11-19 04:00:04,162 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 262 transitions. [2023-11-19 04:00:04,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:00:04,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:04,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:04,231 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 04:00:04,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:04,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 177 states and 261 transitions. [2023-11-19 04:00:04,254 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 261 transitions. [2023-11-19 04:00:04,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:00:04,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:04,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:04,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:04,393 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 04:00:04,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:04,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 176 states and 260 transitions. [2023-11-19 04:00:04,442 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 260 transitions. [2023-11-19 04:00:04,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:00:04,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:04,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:04,511 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 04:00:04,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:04,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 175 states and 259 transitions. [2023-11-19 04:00:04,534 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 259 transitions. [2023-11-19 04:00:04,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:00:04,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:04,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:04,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:04,660 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 04:00:04,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:04,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 174 states and 258 transitions. [2023-11-19 04:00:04,719 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 258 transitions. [2023-11-19 04:00:04,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:00:04,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:04,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:04,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:05,509 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 04:00:11,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:11,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 191 states and 299 transitions. [2023-11-19 04:00:11,800 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 299 transitions. [2023-11-19 04:00:11,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:00:11,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:11,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:11,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:12,829 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 04:00:21,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:21,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 208 states and 338 transitions. [2023-11-19 04:00:21,235 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 338 transitions. [2023-11-19 04:00:21,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:00:21,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:21,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:21,300 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 04:00:21,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:21,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 207 states and 337 transitions. [2023-11-19 04:00:21,328 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 337 transitions. [2023-11-19 04:00:21,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:00:21,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:21,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:21,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:21,918 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 04:00:22,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:22,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 209 states and 341 transitions. [2023-11-19 04:00:22,910 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 341 transitions. [2023-11-19 04:00:22,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:00:22,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:22,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:23,163 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:26,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:26,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 217 states and 355 transitions. [2023-11-19 04:00:26,451 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 355 transitions. [2023-11-19 04:00:26,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:00:26,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:26,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:26,570 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 04:00:26,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:26,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 216 states and 354 transitions. [2023-11-19 04:00:26,598 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 354 transitions. [2023-11-19 04:00:26,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:00:26,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:26,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:26,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:26,723 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 04:00:26,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:26,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 217 states and 355 transitions. [2023-11-19 04:00:26,750 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 355 transitions. [2023-11-19 04:00:26,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:00:26,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:26,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:26,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:26,868 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:27,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:27,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 109 states and 119 transitions. [2023-11-19 04:00:27,632 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 119 transitions. [2023-11-19 04:00:27,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:00:27,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:27,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:27,983 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 04:00:29,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:29,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 108 states and 118 transitions. [2023-11-19 04:00:29,420 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 118 transitions. [2023-11-19 04:00:29,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:00:29,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:29,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:29,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:29,805 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 04:00:32,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:32,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 107 states and 117 transitions. [2023-11-19 04:00:32,542 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 117 transitions. [2023-11-19 04:00:32,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:00:32,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:32,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat