./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-1.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_f9c19a1c-8736-4425-b565-b61943746f39/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c19a1c-8736-4425-b565-b61943746f39/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_f9c19a1c-8736-4425-b565-b61943746f39/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c19a1c-8736-4425-b565-b61943746f39/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c19a1c-8736-4425-b565-b61943746f39/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_f9c19a1c-8736-4425-b565-b61943746f39/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 f6eaec015dd6fdb220ef146938a83a65106037c982563310cbbb34d0417543f1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:30:07,832 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:30:07,946 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c19a1c-8736-4425-b565-b61943746f39/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:30:07,955 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:30:07,957 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:30:07,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:30:07,998 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:30:07,999 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:30:08,000 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:30:08,006 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:30:08,007 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:30:08,007 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:30:08,008 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:30:08,010 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:30:08,010 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:30:08,011 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:30:08,011 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:30:08,012 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:30:08,012 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:30:08,013 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:30:08,014 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:30:08,014 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:30:08,015 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:30:08,016 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:30:08,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:30:08,017 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:30:08,017 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:30:08,018 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:30:08,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:30:08,019 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_f9c19a1c-8736-4425-b565-b61943746f39/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c19a1c-8736-4425-b565-b61943746f39/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6eaec015dd6fdb220ef146938a83a65106037c982563310cbbb34d0417543f1 [2023-11-19 03:30:08,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:30:08,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:30:08,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:30:08,403 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:30:08,404 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:30:08,405 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c19a1c-8736-4425-b565-b61943746f39/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-1.i [2023-11-19 03:30:11,404 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:30:11,773 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:30:11,773 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c19a1c-8736-4425-b565-b61943746f39/sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-1.i [2023-11-19 03:30:11,796 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c19a1c-8736-4425-b565-b61943746f39/bin/ukojak-verify-G8NBE6pJGL/data/7f16a5fec/5361479928934040ae81659519378baf/FLAG206c74614 [2023-11-19 03:30:11,818 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c19a1c-8736-4425-b565-b61943746f39/bin/ukojak-verify-G8NBE6pJGL/data/7f16a5fec/5361479928934040ae81659519378baf [2023-11-19 03:30:11,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:30:11,827 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:30:11,833 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:30:11,833 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:30:11,839 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:30:11,840 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:30:11" (1/1) ... [2023-11-19 03:30:11,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6270a0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:11, skipping insertion in model container [2023-11-19 03:30:11,842 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:30:11" (1/1) ... [2023-11-19 03:30:11,905 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:30:12,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:30:12,280 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:30:12,320 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:30:12,354 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:30:12,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:12 WrapperNode [2023-11-19 03:30:12,355 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:30:12,356 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:30:12,356 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:30:12,356 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:30:12,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:12" (1/1) ... [2023-11-19 03:30:12,379 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:12" (1/1) ... [2023-11-19 03:30:12,410 INFO L138 Inliner]: procedures = 116, calls = 31, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 139 [2023-11-19 03:30:12,411 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:30:12,412 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:30:12,412 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:30:12,412 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:30:12,423 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:12" (1/1) ... [2023-11-19 03:30:12,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:12" (1/1) ... [2023-11-19 03:30:12,427 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:12" (1/1) ... [2023-11-19 03:30:12,428 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:12" (1/1) ... [2023-11-19 03:30:12,438 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:12" (1/1) ... [2023-11-19 03:30:12,442 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:12" (1/1) ... [2023-11-19 03:30:12,444 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:12" (1/1) ... [2023-11-19 03:30:12,445 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:12" (1/1) ... [2023-11-19 03:30:12,448 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:30:12,449 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:30:12,450 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:30:12,450 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:30:12,451 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:12" (1/1) ... [2023-11-19 03:30:12,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:30:12,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c19a1c-8736-4425-b565-b61943746f39/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:30:12,484 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c19a1c-8736-4425-b565-b61943746f39/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:30:12,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c19a1c-8736-4425-b565-b61943746f39/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:30:12,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:30:12,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:30:12,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:30:12,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:30:12,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:30:12,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:30:12,679 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:30:12,681 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:30:13,135 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:30:13,195 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:30:13,209 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:30:13,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:30:13 BoogieIcfgContainer [2023-11-19 03:30:13,218 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:30:13,219 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:30:13,222 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:30:13,233 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:30:13,236 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:30:13" (1/1) ... [2023-11-19 03:30:13,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:30:13,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:13,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 129 states and 136 transitions. [2023-11-19 03:30:13,319 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 136 transitions. [2023-11-19 03:30:13,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:30:13,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:13,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:13,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:13,519 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 03:30:13,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:13,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 128 states and 135 transitions. [2023-11-19 03:30:13,555 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 135 transitions. [2023-11-19 03:30:13,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:30:13,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:13,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:13,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:13,709 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 03:30:13,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:13,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 127 states and 134 transitions. [2023-11-19 03:30:13,798 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 134 transitions. [2023-11-19 03:30:13,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:30:13,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:13,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:13,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:13,832 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 03:30:13,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:13,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 126 states and 133 transitions. [2023-11-19 03:30:13,850 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 133 transitions. [2023-11-19 03:30:13,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:30:13,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:13,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:13,993 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 03:30:14,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:14,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 125 states and 132 transitions. [2023-11-19 03:30:14,130 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 132 transitions. [2023-11-19 03:30:14,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:30:14,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:14,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:14,258 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 03:30:14,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:14,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 126 states and 134 transitions. [2023-11-19 03:30:14,480 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 134 transitions. [2023-11-19 03:30:14,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:30:14,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:14,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:14,577 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 03:30:14,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:14,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 125 states and 133 transitions. [2023-11-19 03:30:14,615 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 133 transitions. [2023-11-19 03:30:14,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:30:14,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:14,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:14,740 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 03:30:14,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:14,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 124 states and 132 transitions. [2023-11-19 03:30:14,887 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 132 transitions. [2023-11-19 03:30:14,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:30:14,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:14,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:14,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:15,077 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 03:30:15,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:15,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 128 states and 140 transitions. [2023-11-19 03:30:15,420 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 140 transitions. [2023-11-19 03:30:15,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:30:15,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:15,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:15,557 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 03:30:16,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:16,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 132 states and 151 transitions. [2023-11-19 03:30:16,259 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 151 transitions. [2023-11-19 03:30:16,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:30:16,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:16,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:16,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:16,355 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 03:30:16,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:16,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 136 states and 157 transitions. [2023-11-19 03:30:16,791 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 157 transitions. [2023-11-19 03:30:16,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:30:16,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:16,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:16,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:16,922 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:17,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:17,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 137 states and 161 transitions. [2023-11-19 03:30:17,273 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 161 transitions. [2023-11-19 03:30:17,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:30:17,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:17,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:17,572 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:18,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:18,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 138 states and 163 transitions. [2023-11-19 03:30:18,352 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 163 transitions. [2023-11-19 03:30:18,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:30:18,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:18,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:18,595 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:30:20,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:20,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 148 states and 189 transitions. [2023-11-19 03:30:20,194 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 189 transitions. [2023-11-19 03:30:20,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:30:20,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:20,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:20,559 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:22,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:22,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 158 states and 215 transitions. [2023-11-19 03:30:22,628 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 215 transitions. [2023-11-19 03:30:22,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:30:22,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:22,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:22,738 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:30:24,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:24,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 161 states and 219 transitions. [2023-11-19 03:30:24,029 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 219 transitions. [2023-11-19 03:30:24,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:30:24,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:24,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:24,092 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:30:24,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:24,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 164 states and 221 transitions. [2023-11-19 03:30:24,912 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 221 transitions. [2023-11-19 03:30:24,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:30:24,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:24,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:25,130 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:30:25,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:25,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 163 states and 220 transitions. [2023-11-19 03:30:25,245 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 220 transitions. [2023-11-19 03:30:25,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:30:25,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:25,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:25,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:25,611 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:30:26,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:26,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 164 states and 222 transitions. [2023-11-19 03:30:26,185 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 222 transitions. [2023-11-19 03:30:26,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:30:26,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:26,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:26,220 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:30:26,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:26,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 163 states and 221 transitions. [2023-11-19 03:30:26,238 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 221 transitions. [2023-11-19 03:30:26,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:30:26,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:26,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:26,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:26,598 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:30:26,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:26,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 164 states and 222 transitions. [2023-11-19 03:30:26,855 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 222 transitions. [2023-11-19 03:30:26,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:30:26,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:26,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:26,974 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:30:27,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:27,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 166 states and 225 transitions. [2023-11-19 03:30:27,004 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 225 transitions. [2023-11-19 03:30:27,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:30:27,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:27,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:28,416 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:32,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:32,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 177 states and 247 transitions. [2023-11-19 03:30:32,373 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 247 transitions. [2023-11-19 03:30:32,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:30:32,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:32,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:32,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:33,263 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:30:36,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:36,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 183 states and 259 transitions. [2023-11-19 03:30:36,136 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 259 transitions. [2023-11-19 03:30:36,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:30:36,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:36,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:36,667 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:30:42,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:42,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 191 states and 275 transitions. [2023-11-19 03:30:42,447 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 275 transitions. [2023-11-19 03:30:42,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:30:42,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:42,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:42,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:44,379 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:55,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:55,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 204 states and 303 transitions. [2023-11-19 03:30:55,181 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 303 transitions. [2023-11-19 03:30:55,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:30:55,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:55,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:56,679 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.