./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2n_insert_unequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc 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_22e42fea-ac5d-4c57-9424-1954ffdbdefd/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e42fea-ac5d-4c57-9424-1954ffdbdefd/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e42fea-ac5d-4c57-9424-1954ffdbdefd/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e42fea-ac5d-4c57-9424-1954ffdbdefd/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2n_insert_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e42fea-ac5d-4c57-9424-1954ffdbdefd/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e42fea-ac5d-4c57-9424-1954ffdbdefd/bin/ukojak-verify-afCqCEvfdi --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 97351642d4f3bf3f6d868e0a3719427b4c33bd5e0f87a93a325784728b912f03 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:19:47,322 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:19:47,439 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e42fea-ac5d-4c57-9424-1954ffdbdefd/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 22:19:47,448 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:19:47,448 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:19:47,489 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:19:47,490 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:19:47,495 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:19:47,496 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:19:47,503 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:19:47,503 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:19:47,504 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:19:47,504 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:19:47,507 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:19:47,507 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:19:47,507 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:19:47,508 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:19:47,508 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:19:47,508 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:19:47,509 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:19:47,509 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:19:47,510 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:19:47,510 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:19:47,511 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:19:47,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:47,512 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:19:47,512 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:19:47,513 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:19:47,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:19:47,513 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_22e42fea-ac5d-4c57-9424-1954ffdbdefd/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e42fea-ac5d-4c57-9424-1954ffdbdefd/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97351642d4f3bf3f6d868e0a3719427b4c33bd5e0f87a93a325784728b912f03 [2023-11-24 22:19:47,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:19:47,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:19:47,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:19:47,821 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:19:47,822 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:19:47,823 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e42fea-ac5d-4c57-9424-1954ffdbdefd/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/list-simple/dll2n_insert_unequal.i [2023-11-24 22:19:50,893 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:19:51,162 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:19:51,162 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e42fea-ac5d-4c57-9424-1954ffdbdefd/sv-benchmarks/c/list-simple/dll2n_insert_unequal.i [2023-11-24 22:19:51,178 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e42fea-ac5d-4c57-9424-1954ffdbdefd/bin/ukojak-verify-afCqCEvfdi/data/65bc7c47f/0df43e39144e49558074af8e2a9bc484/FLAG708ca6e0b [2023-11-24 22:19:51,193 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e42fea-ac5d-4c57-9424-1954ffdbdefd/bin/ukojak-verify-afCqCEvfdi/data/65bc7c47f/0df43e39144e49558074af8e2a9bc484 [2023-11-24 22:19:51,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:19:51,197 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:19:51,199 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:51,199 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:19:51,204 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:19:51,205 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:51,206 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1af217d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:51, skipping insertion in model container [2023-11-24 22:19:51,206 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:51,250 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:19:51,625 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:51,639 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:19:51,689 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:51,727 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:19:51,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:51 WrapperNode [2023-11-24 22:19:51,728 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:51,729 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:51,729 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:19:51,729 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:19:51,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:51,752 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:51,785 INFO L138 Inliner]: procedures = 127, calls = 49, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 180 [2023-11-24 22:19:51,785 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:51,786 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:19:51,786 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:19:51,786 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:19:51,796 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:51,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:51,802 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:51,802 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:51,818 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:51,823 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:51,826 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:51,828 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:51,832 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:19:51,833 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:19:51,833 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:19:51,833 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:19:51,834 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:51,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:51,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e42fea-ac5d-4c57-9424-1954ffdbdefd/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:19:51,874 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e42fea-ac5d-4c57-9424-1954ffdbdefd/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:19:51,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e42fea-ac5d-4c57-9424-1954ffdbdefd/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:19:51,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:19:51,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:19:51,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:19:51,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:19:51,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:19:51,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:19:51,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:19:51,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:19:51,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 22:19:51,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:19:51,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:19:51,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:19:52,066 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:19:52,088 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:19:52,620 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:19:52,699 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:19:52,699 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-24 22:19:52,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:52 BoogieIcfgContainer [2023-11-24 22:19:52,701 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:19:52,702 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:19:52,702 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:19:52,713 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:19:52,713 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:52" (1/1) ... [2023-11-24 22:19:52,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:19:52,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:52,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 118 states and 133 transitions. [2023-11-24 22:19:52,778 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 133 transitions. [2023-11-24 22:19:52,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:19:52,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:52,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:52,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:53,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:53,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:53,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 119 states and 135 transitions. [2023-11-24 22:19:53,216 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 135 transitions. [2023-11-24 22:19:53,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:19:53,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:53,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:53,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:53,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:53,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 118 states and 134 transitions. [2023-11-24 22:19:53,328 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 134 transitions. [2023-11-24 22:19:53,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:19:53,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:53,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:53,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:53,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:53,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:53,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 117 states and 133 transitions. [2023-11-24 22:19:53,535 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 133 transitions. [2023-11-24 22:19:53,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:19:53,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:53,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:53,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:53,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:53,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:53,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 116 states and 132 transitions. [2023-11-24 22:19:53,583 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 132 transitions. [2023-11-24 22:19:53,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:19:53,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:53,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:53,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:53,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:53,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 115 states and 131 transitions. [2023-11-24 22:19:53,905 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 131 transitions. [2023-11-24 22:19:53,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:19:53,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:53,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:53,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:53,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:53,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:53,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 114 states and 130 transitions. [2023-11-24 22:19:53,950 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 130 transitions. [2023-11-24 22:19:53,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:19:53,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:53,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:54,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:54,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:54,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 113 states and 129 transitions. [2023-11-24 22:19:54,037 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 129 transitions. [2023-11-24 22:19:54,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:19:54,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:54,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:54,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:54,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:54,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:54,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 119 states and 137 transitions. [2023-11-24 22:19:54,523 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 137 transitions. [2023-11-24 22:19:54,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:19:54,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:54,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:54,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:54,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:55,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:55,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 126 states and 147 transitions. [2023-11-24 22:19:55,239 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2023-11-24 22:19:55,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:19:55,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:55,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:55,465 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:56,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:56,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 134 states and 162 transitions. [2023-11-24 22:19:56,541 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 162 transitions. [2023-11-24 22:19:56,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:19:56,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:56,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:56,867 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:58,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:58,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 142 states and 180 transitions. [2023-11-24 22:19:58,473 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 180 transitions. [2023-11-24 22:19:58,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:19:58,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:58,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:58,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:58,625 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:59,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:59,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 144 states and 183 transitions. [2023-11-24 22:19:59,436 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 183 transitions. [2023-11-24 22:19:59,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:19:59,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:59,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:59,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:59,596 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:19:59,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:59,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 143 states and 182 transitions. [2023-11-24 22:19:59,673 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 182 transitions. [2023-11-24 22:19:59,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:19:59,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:59,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:59,834 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:20:00,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:00,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 142 states and 181 transitions. [2023-11-24 22:20:00,145 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 181 transitions. [2023-11-24 22:20:00,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:20:00,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:00,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:00,193 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:20:00,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:00,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 141 states and 180 transitions. [2023-11-24 22:20:00,214 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 180 transitions. [2023-11-24 22:20:00,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:20:00,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:00,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:00,412 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:20:00,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:00,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 140 states and 179 transitions. [2023-11-24 22:20:00,437 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 179 transitions. [2023-11-24 22:20:00,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:20:00,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:00,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:00,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:00,531 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:20:00,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:00,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 139 states and 178 transitions. [2023-11-24 22:20:00,562 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 178 transitions. [2023-11-24 22:20:00,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:20:00,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:00,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:00,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:00,798 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:20:01,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:01,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 138 states and 177 transitions. [2023-11-24 22:20:01,180 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 177 transitions. [2023-11-24 22:20:01,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:20:01,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:01,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:01,961 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:20:06,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:06,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 159 states and 227 transitions. [2023-11-24 22:20:06,415 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 227 transitions. [2023-11-24 22:20:06,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:20:06,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:06,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:06,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:07,317 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 22:20:13,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:13,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 180 states and 271 transitions. [2023-11-24 22:20:13,788 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 271 transitions. [2023-11-24 22:20:13,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:20:13,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:13,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:13,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:14,026 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:20:17,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:17,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 110 states and 123 transitions. [2023-11-24 22:20:17,414 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 123 transitions. [2023-11-24 22:20:17,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:20:17,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:17,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:18,668 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:20:23,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:23,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 112 states and 127 transitions. [2023-11-24 22:20:23,470 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 127 transitions. [2023-11-24 22:20:23,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:20:23,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:23,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:23,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:24,875 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:20:31,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:31,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 114 states and 133 transitions. [2023-11-24 22:20:31,093 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2023-11-24 22:20:31,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:20:31,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:31,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:31,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:31,311 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:20:32,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:32,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 116 states and 139 transitions. [2023-11-24 22:20:32,763 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 139 transitions. [2023-11-24 22:20:32,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:20:32,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:32,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:32,816 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:20:33,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:33,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 119 states and 147 transitions. [2023-11-24 22:20:33,998 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 147 transitions. [2023-11-24 22:20:33,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:20:33,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:33,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:34,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:34,540 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:20:36,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:36,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 122 states and 155 transitions. [2023-11-24 22:20:36,873 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 155 transitions. [2023-11-24 22:20:36,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:20:36,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:36,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:36,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:37,452 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.