./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/sll2c_insert_unequal.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_f8d22d6c-b6b9-4921-a2cc-14b34deffe50/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d22d6c-b6b9-4921-a2cc-14b34deffe50/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_f8d22d6c-b6b9-4921-a2cc-14b34deffe50/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d22d6c-b6b9-4921-a2cc-14b34deffe50/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/sll2c_insert_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d22d6c-b6b9-4921-a2cc-14b34deffe50/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_f8d22d6c-b6b9-4921-a2cc-14b34deffe50/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 b7b415e0519ab150e9247d3d9d0133f92cfd07c34f9918f9ebd19cf8109bf4e7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:55:41,551 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:55:41,672 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d22d6c-b6b9-4921-a2cc-14b34deffe50/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 02:55:41,679 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:55:41,680 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:55:41,718 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:55:41,720 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:55:41,720 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:55:41,721 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:55:41,726 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:55:41,727 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:55:41,727 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:55:41,728 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:55:41,729 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:55:41,730 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:55:41,730 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 02:55:41,730 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:55:41,731 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:55:41,731 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:55:41,732 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:55:41,732 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:55:41,733 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:55:41,733 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:55:41,734 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:55:41,735 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:55:41,735 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:55:41,735 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:55:41,736 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:55:41,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:55:41,737 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_f8d22d6c-b6b9-4921-a2cc-14b34deffe50/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d22d6c-b6b9-4921-a2cc-14b34deffe50/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7b415e0519ab150e9247d3d9d0133f92cfd07c34f9918f9ebd19cf8109bf4e7 [2023-11-19 02:55:42,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:55:42,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:55:42,037 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:55:42,038 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:55:42,039 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:55:42,040 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d22d6c-b6b9-4921-a2cc-14b34deffe50/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/list-simple/sll2c_insert_unequal.i [2023-11-19 02:55:45,055 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:55:45,339 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:55:45,340 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d22d6c-b6b9-4921-a2cc-14b34deffe50/sv-benchmarks/c/list-simple/sll2c_insert_unequal.i [2023-11-19 02:55:45,364 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d22d6c-b6b9-4921-a2cc-14b34deffe50/bin/ukojak-verify-G8NBE6pJGL/data/c1d2799c2/18dcc0f30240404fa1552040568fb9ef/FLAGe85ad2ee0 [2023-11-19 02:55:45,384 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d22d6c-b6b9-4921-a2cc-14b34deffe50/bin/ukojak-verify-G8NBE6pJGL/data/c1d2799c2/18dcc0f30240404fa1552040568fb9ef [2023-11-19 02:55:45,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:55:45,395 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:55:45,399 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:55:45,399 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:55:45,405 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:55:45,406 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:45" (1/1) ... [2023-11-19 02:55:45,408 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51fed0c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:45, skipping insertion in model container [2023-11-19 02:55:45,408 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:45" (1/1) ... [2023-11-19 02:55:45,491 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:55:45,863 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:45,876 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:55:45,934 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:45,981 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:55:45,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:45 WrapperNode [2023-11-19 02:55:45,982 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:55:45,983 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:55:45,984 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:55:45,984 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:55:45,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:45" (1/1) ... [2023-11-19 02:55:46,011 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:45" (1/1) ... [2023-11-19 02:55:46,050 INFO L138 Inliner]: procedures = 127, calls = 49, calls flagged for inlining = 10, calls inlined = 12, statements flattened = 209 [2023-11-19 02:55:46,051 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:55:46,051 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:55:46,052 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:55:46,052 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:55:46,064 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:45" (1/1) ... [2023-11-19 02:55:46,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:45" (1/1) ... [2023-11-19 02:55:46,088 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:45" (1/1) ... [2023-11-19 02:55:46,092 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:45" (1/1) ... [2023-11-19 02:55:46,105 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:45" (1/1) ... [2023-11-19 02:55:46,124 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:45" (1/1) ... [2023-11-19 02:55:46,135 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:45" (1/1) ... [2023-11-19 02:55:46,138 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:45" (1/1) ... [2023-11-19 02:55:46,146 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:55:46,159 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:55:46,160 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:55:46,160 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:55:46,161 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:45" (1/1) ... [2023-11-19 02:55:46,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:55:46,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d22d6c-b6b9-4921-a2cc-14b34deffe50/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:55:46,198 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d22d6c-b6b9-4921-a2cc-14b34deffe50/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:55:46,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d22d6c-b6b9-4921-a2cc-14b34deffe50/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:55:46,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:55:46,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:55:46,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:55:46,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:55:46,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:55:46,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:55:46,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:55:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:55:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 02:55:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:55:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:55:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:55:46,401 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:55:46,404 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:55:47,069 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:55:47,190 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:55:47,195 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 02:55:47,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:55:47 BoogieIcfgContainer [2023-11-19 02:55:47,204 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:55:47,206 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:55:47,207 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:55:47,219 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:55:47,220 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:55:47" (1/1) ... [2023-11-19 02:55:47,231 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:55:47,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:47,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 134 states and 151 transitions. [2023-11-19 02:55:47,316 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 151 transitions. [2023-11-19 02:55:47,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:55:47,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:47,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:47,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:47,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:47,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:47,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 133 states and 150 transitions. [2023-11-19 02:55:47,726 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 150 transitions. [2023-11-19 02:55:47,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:55:47,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:47,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:47,909 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 02:55:48,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:48,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 132 states and 149 transitions. [2023-11-19 02:55:48,099 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 149 transitions. [2023-11-19 02:55:48,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:55:48,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:48,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:48,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:48,172 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 02:55:48,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:48,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 131 states and 148 transitions. [2023-11-19 02:55:48,193 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 148 transitions. [2023-11-19 02:55:48,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:55:48,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:48,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:48,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:48,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:48,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:48,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 130 states and 147 transitions. [2023-11-19 02:55:48,375 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 147 transitions. [2023-11-19 02:55:48,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:55:48,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:48,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:48,436 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 02:55:48,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:48,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 131 states and 148 transitions. [2023-11-19 02:55:48,560 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 148 transitions. [2023-11-19 02:55:48,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:55:48,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:48,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:48,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:48,610 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 02:55:48,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:48,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 130 states and 147 transitions. [2023-11-19 02:55:48,630 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 147 transitions. [2023-11-19 02:55:48,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:55:48,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:48,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:48,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:48,716 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 02:55:48,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:48,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 129 states and 146 transitions. [2023-11-19 02:55:48,841 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 146 transitions. [2023-11-19 02:55:48,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:55:48,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:48,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:48,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:48,875 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 02:55:48,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:48,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 128 states and 145 transitions. [2023-11-19 02:55:48,893 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 145 transitions. [2023-11-19 02:55:48,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:55:48,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:48,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:48,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:48,961 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 02:55:48,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:48,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 127 states and 144 transitions. [2023-11-19 02:55:48,979 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 144 transitions. [2023-11-19 02:55:48,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:55:48,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:48,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:49,059 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 02:55:49,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:49,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 126 states and 143 transitions. [2023-11-19 02:55:49,102 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 143 transitions. [2023-11-19 02:55:49,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:55:49,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:49,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:49,267 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 02:55:49,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:49,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 125 states and 142 transitions. [2023-11-19 02:55:49,420 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 142 transitions. [2023-11-19 02:55:49,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:55:49,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:49,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:49,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:49,689 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 02:55:50,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:50,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 124 states and 141 transitions. [2023-11-19 02:55:50,477 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 141 transitions. [2023-11-19 02:55:50,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:55:50,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:50,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:50,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:50,814 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 02:55:51,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:51,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 123 states and 140 transitions. [2023-11-19 02:55:51,839 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 140 transitions. [2023-11-19 02:55:51,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:55:51,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:51,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:51,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:51,924 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 02:55:51,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:51,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 122 states and 139 transitions. [2023-11-19 02:55:51,957 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 139 transitions. [2023-11-19 02:55:51,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:55:51,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:51,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:52,073 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 02:55:52,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:52,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 121 states and 138 transitions. [2023-11-19 02:55:52,101 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 138 transitions. [2023-11-19 02:55:52,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:55:52,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:52,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:52,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:52,160 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 02:55:52,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:52,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 120 states and 137 transitions. [2023-11-19 02:55:52,178 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 137 transitions. [2023-11-19 02:55:52,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:55:52,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:52,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:52,289 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 02:55:52,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:52,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 119 states and 136 transitions. [2023-11-19 02:55:52,312 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 136 transitions. [2023-11-19 02:55:52,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:55:52,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:52,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:52,972 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 02:55:55,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:55,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 130 states and 154 transitions. [2023-11-19 02:55:55,320 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 154 transitions. [2023-11-19 02:55:55,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:55:55,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:55,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:55,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:56,128 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 02:55:59,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:59,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 141 states and 172 transitions. [2023-11-19 02:55:59,597 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 172 transitions. [2023-11-19 02:55:59,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:55:59,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:59,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:00,723 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 02:56:04,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:04,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 119 states and 138 transitions. [2023-11-19 02:56:04,945 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 138 transitions. [2023-11-19 02:56:04,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:56:04,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:04,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:06,218 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 02:56:10,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:10,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 121 states and 144 transitions. [2023-11-19 02:56:10,518 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 144 transitions. [2023-11-19 02:56:10,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:56:10,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:10,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:10,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:10,562 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 02:56:11,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:11,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 124 states and 153 transitions. [2023-11-19 02:56:11,078 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 153 transitions. [2023-11-19 02:56:11,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:56:11,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:11,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:11,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:11,485 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 02:56:12,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:12,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 127 states and 162 transitions. [2023-11-19 02:56:12,485 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 162 transitions. [2023-11-19 02:56:12,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:56:12,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:12,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:12,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:12,795 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 02:56:14,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:14,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 129 states and 168 transitions. [2023-11-19 02:56:14,987 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 168 transitions. [2023-11-19 02:56:14,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:56:14,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:14,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:15,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:15,567 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:56:24,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:24,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 132 states and 181 transitions. [2023-11-19 02:56:24,165 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 181 transitions. [2023-11-19 02:56:24,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:56:24,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:24,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:24,279 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:56:24,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:24,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 133 states and 182 transitions. [2023-11-19 02:56:24,846 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 182 transitions. [2023-11-19 02:56:24,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:56:24,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:24,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:24,891 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:56:25,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:25,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 134 states and 184 transitions. [2023-11-19 02:56:25,513 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 184 transitions. [2023-11-19 02:56:25,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:56:25,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:25,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:25,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:25,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:56:26,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:26,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 135 states and 185 transitions. [2023-11-19 02:56:26,215 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 185 transitions. [2023-11-19 02:56:26,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:56:26,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:26,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:26,303 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:56:27,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:27,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 137 states and 188 transitions. [2023-11-19 02:56:27,699 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 188 transitions. [2023-11-19 02:56:27,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:56:27,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:27,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:27,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:28,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:56:30,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:30,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 140 states and 197 transitions. [2023-11-19 02:56:30,857 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 197 transitions. [2023-11-19 02:56:30,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:56:30,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:30,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:31,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:56:35,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:35,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 143 states and 205 transitions. [2023-11-19 02:56:35,713 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 205 transitions. [2023-11-19 02:56:35,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:56:35,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:35,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:35,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:56:36,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:36,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 144 states and 209 transitions. [2023-11-19 02:56:36,630 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 209 transitions. [2023-11-19 02:56:36,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:56:36,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:36,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:36,730 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.