./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/forester-heap/dll-queue-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) 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_04b2384d-6104-4481-b20a-494e0c739308/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b2384d-6104-4481-b20a-494e0c739308/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_04b2384d-6104-4481-b20a-494e0c739308/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b2384d-6104-4481-b20a-494e0c739308/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-queue-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b2384d-6104-4481-b20a-494e0c739308/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b2384d-6104-4481-b20a-494e0c739308/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-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 338b6951ab628b0237aa41c64d1786e44f90130a76a8fd0978f750b3fe39d026 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:23:04,296 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:23:04,364 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b2384d-6104-4481-b20a-494e0c739308/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 03:23:04,370 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:23:04,371 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:23:04,397 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:23:04,399 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:23:04,399 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:23:04,400 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:23:04,400 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:23:04,401 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:23:04,402 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:23:04,402 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:23:04,403 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:23:04,403 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:23:04,404 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:23:04,404 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:23:04,405 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:23:04,405 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:23:04,406 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:23:04,406 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:23:04,407 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:23:04,408 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:23:04,408 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:23:04,409 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:23:04,409 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:23:04,409 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:23:04,410 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:04,410 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:23:04,411 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:23:04,411 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:23:04,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:23:04,412 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_04b2384d-6104-4481-b20a-494e0c739308/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b2384d-6104-4481-b20a-494e0c739308/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 338b6951ab628b0237aa41c64d1786e44f90130a76a8fd0978f750b3fe39d026 [2023-11-19 03:23:04,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:23:04,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:23:04,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:23:04,700 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:23:04,701 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:23:04,703 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b2384d-6104-4481-b20a-494e0c739308/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/forester-heap/dll-queue-2.i [2023-11-19 03:23:07,775 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:23:08,049 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:23:08,064 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b2384d-6104-4481-b20a-494e0c739308/sv-benchmarks/c/forester-heap/dll-queue-2.i [2023-11-19 03:23:08,078 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b2384d-6104-4481-b20a-494e0c739308/bin/ukojak-verify-G8NBE6pJGL/data/9cad4a9fe/7f9f2a1ce07446d19d30aadb1a9491fb/FLAG30e051c4d [2023-11-19 03:23:08,093 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b2384d-6104-4481-b20a-494e0c739308/bin/ukojak-verify-G8NBE6pJGL/data/9cad4a9fe/7f9f2a1ce07446d19d30aadb1a9491fb [2023-11-19 03:23:08,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:23:08,097 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:23:08,099 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:23:08,099 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:23:08,104 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:23:08,105 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:08" (1/1) ... [2023-11-19 03:23:08,107 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@134ef6c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:08, skipping insertion in model container [2023-11-19 03:23:08,107 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:08" (1/1) ... [2023-11-19 03:23:08,154 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:23:08,516 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:08,527 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:23:08,590 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:08,624 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:23:08,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:08 WrapperNode [2023-11-19 03:23:08,625 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:23:08,627 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:08,627 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:23:08,628 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:23:08,633 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:08" (1/1) ... [2023-11-19 03:23:08,654 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:08" (1/1) ... [2023-11-19 03:23:08,688 INFO L138 Inliner]: procedures = 119, calls = 52, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 266 [2023-11-19 03:23:08,688 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:08,689 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:23:08,689 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:23:08,689 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:23:08,699 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:08" (1/1) ... [2023-11-19 03:23:08,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:08" (1/1) ... [2023-11-19 03:23:08,703 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:08" (1/1) ... [2023-11-19 03:23:08,704 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:08" (1/1) ... [2023-11-19 03:23:08,715 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:08" (1/1) ... [2023-11-19 03:23:08,723 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:08" (1/1) ... [2023-11-19 03:23:08,726 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:08" (1/1) ... [2023-11-19 03:23:08,729 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:08" (1/1) ... [2023-11-19 03:23:08,734 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:23:08,735 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:23:08,735 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:23:08,735 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:23:08,736 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:08" (1/1) ... [2023-11-19 03:23:08,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:08,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b2384d-6104-4481-b20a-494e0c739308/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:23:08,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b2384d-6104-4481-b20a-494e0c739308/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:23:08,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b2384d-6104-4481-b20a-494e0c739308/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:23:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:23:08,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:23:08,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:23:08,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:23:08,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:23:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:23:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:23:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:23:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:23:08,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:23:09,020 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:23:09,023 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:23:09,534 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:23:09,633 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:23:09,633 INFO L302 CfgBuilder]: Removed 31 assume(true) statements. [2023-11-19 03:23:09,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:09 BoogieIcfgContainer [2023-11-19 03:23:09,643 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:23:09,644 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:23:09,645 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:23:09,656 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:23:09,656 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:09" (1/1) ... [2023-11-19 03:23:09,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:23:09,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:09,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 106 states and 169 transitions. [2023-11-19 03:23:09,723 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 169 transitions. [2023-11-19 03:23:09,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:23:09,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:09,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:09,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:09,924 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 03:23:09,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:09,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 105 states and 162 transitions. [2023-11-19 03:23:09,943 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 162 transitions. [2023-11-19 03:23:09,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:23:09,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:09,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:10,089 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 03:23:10,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:10,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 107 states and 162 transitions. [2023-11-19 03:23:10,187 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 162 transitions. [2023-11-19 03:23:10,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:23:10,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:10,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:10,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:10,237 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 03:23:10,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:10,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 108 states and 163 transitions. [2023-11-19 03:23:10,249 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 163 transitions. [2023-11-19 03:23:10,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:23:10,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:10,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:10,782 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 03:23:11,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:11,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 111 states and 166 transitions. [2023-11-19 03:23:11,035 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 166 transitions. [2023-11-19 03:23:11,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:23:11,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:11,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:11,089 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 03:23:11,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:11,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 115 states and 170 transitions. [2023-11-19 03:23:11,311 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 170 transitions. [2023-11-19 03:23:11,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:23:11,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:11,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:11,371 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 03:23:11,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:11,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 115 states and 166 transitions. [2023-11-19 03:23:11,397 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 166 transitions. [2023-11-19 03:23:11,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:23:11,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:11,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:11,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:11,451 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 03:23:11,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:11,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 115 states and 162 transitions. [2023-11-19 03:23:11,470 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 162 transitions. [2023-11-19 03:23:11,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:23:11,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:11,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:11,576 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:23:11,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:11,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 100 states and 143 transitions. [2023-11-19 03:23:11,631 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 143 transitions. [2023-11-19 03:23:11,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:23:11,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:11,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:11,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:11,696 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 03:23:11,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:11,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 100 states and 141 transitions. [2023-11-19 03:23:11,710 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 141 transitions. [2023-11-19 03:23:11,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:23:11,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:11,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:11,766 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 03:23:11,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:11,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 106 states and 155 transitions. [2023-11-19 03:23:11,845 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 155 transitions. [2023-11-19 03:23:11,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:23:11,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:11,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:11,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:11,982 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 03:23:12,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:12,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 119 states and 186 transitions. [2023-11-19 03:23:12,496 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 186 transitions. [2023-11-19 03:23:12,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:23:12,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:12,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:12,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:12,555 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 03:23:12,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:12,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 116 states and 183 transitions. [2023-11-19 03:23:12,626 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 183 transitions. [2023-11-19 03:23:12,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:23:12,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:12,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:12,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:12,823 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:13,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:13,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 127 states and 207 transitions. [2023-11-19 03:23:13,447 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 207 transitions. [2023-11-19 03:23:13,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:23:13,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:13,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:13,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:13,557 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:13,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:13,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 128 states and 210 transitions. [2023-11-19 03:23:13,721 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 210 transitions. [2023-11-19 03:23:13,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:23:13,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:13,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:13,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:13,801 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 03:23:13,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:13,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 132 states and 216 transitions. [2023-11-19 03:23:13,972 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 216 transitions. [2023-11-19 03:23:13,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:23:13,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:13,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:14,075 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:14,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:14,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 141 states and 228 transitions. [2023-11-19 03:23:14,785 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 228 transitions. [2023-11-19 03:23:14,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:23:14,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:14,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:14,868 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:15,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:15,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 143 states and 230 transitions. [2023-11-19 03:23:15,089 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 230 transitions. [2023-11-19 03:23:15,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:23:15,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:15,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:15,439 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:16,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:16,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 157 states and 249 transitions. [2023-11-19 03:23:16,774 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 249 transitions. [2023-11-19 03:23:16,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:23:16,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:16,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:16,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:17,001 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:17,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:17,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 159 states and 251 transitions. [2023-11-19 03:23:17,240 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 251 transitions. [2023-11-19 03:23:17,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:23:17,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:17,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:17,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:17,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:18,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:18,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 161 states and 254 transitions. [2023-11-19 03:23:18,145 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 254 transitions. [2023-11-19 03:23:18,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:23:18,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:18,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:18,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:18,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:18,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:18,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 163 states and 257 transitions. [2023-11-19 03:23:18,842 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 257 transitions. [2023-11-19 03:23:18,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:23:18,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:18,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:18,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:18,909 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:23:19,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:19,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 165 states and 261 transitions. [2023-11-19 03:23:19,029 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 261 transitions. [2023-11-19 03:23:19,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:23:19,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:19,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:19,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:19,112 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:19,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:19,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 166 states and 266 transitions. [2023-11-19 03:23:19,134 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 266 transitions. [2023-11-19 03:23:19,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:23:19,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:19,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:19,190 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:23:19,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:19,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 168 states and 269 transitions. [2023-11-19 03:23:19,217 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 269 transitions. [2023-11-19 03:23:19,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:23:19,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:19,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:19,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:19,287 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 03:23:19,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:19,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 171 states and 273 transitions. [2023-11-19 03:23:19,687 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 273 transitions. [2023-11-19 03:23:19,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:23:19,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:19,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:20,670 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:23,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:23,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 190 states and 311 transitions. [2023-11-19 03:23:23,246 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 311 transitions. [2023-11-19 03:23:23,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:23:23,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:23,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:23,937 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:24,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:24,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 192 states and 313 transitions. [2023-11-19 03:23:24,329 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 313 transitions. [2023-11-19 03:23:24,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:23:24,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:24,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:24,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:24,584 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:23:25,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:25,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 200 states and 335 transitions. [2023-11-19 03:23:25,860 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 335 transitions. [2023-11-19 03:23:25,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:23:25,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:25,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:25,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:26,173 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:23:27,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:27,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 204 states and 340 transitions. [2023-11-19 03:23:27,058 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 340 transitions. [2023-11-19 03:23:27,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:23:27,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:27,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:27,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:27,237 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:23:27,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:27,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 206 states and 344 transitions. [2023-11-19 03:23:27,685 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 344 transitions. [2023-11-19 03:23:27,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:23:27,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:27,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:27,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:27,816 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:23:28,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:28,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 212 states and 351 transitions. [2023-11-19 03:23:28,486 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 351 transitions. [2023-11-19 03:23:28,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:23:28,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:28,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:28,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:29,169 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:32,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:32,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 232 states and 392 transitions. [2023-11-19 03:23:32,193 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 392 transitions. [2023-11-19 03:23:32,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:23:32,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:32,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:32,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:32,706 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:33,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:33,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 237 states and 410 transitions. [2023-11-19 03:23:33,635 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 410 transitions. [2023-11-19 03:23:33,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:23:33,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:33,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:33,990 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:34,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:34,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 238 states and 413 transitions. [2023-11-19 03:23:34,329 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 413 transitions. [2023-11-19 03:23:34,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:23:34,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:34,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:35,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:40,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:40,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 260 states and 459 transitions. [2023-11-19 03:23:40,587 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 459 transitions. [2023-11-19 03:23:40,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:23:40,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:40,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:40,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:41,771 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:43,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:43,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 263 states and 467 transitions. [2023-11-19 03:23:43,682 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 467 transitions. [2023-11-19 03:23:43,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:23:43,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:43,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:44,531 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:49,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:49,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 280 states and 501 transitions. [2023-11-19 03:23:49,654 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 501 transitions. [2023-11-19 03:23:49,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:23:49,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:49,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:49,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:50,060 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:52,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:52,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 284 states and 517 transitions. [2023-11-19 03:23:52,186 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 517 transitions. [2023-11-19 03:23:52,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:23:52,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:52,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:52,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:52,611 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:53,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:53,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 285 states and 518 transitions. [2023-11-19 03:23:53,115 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 518 transitions. [2023-11-19 03:23:53,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:23:53,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:53,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:53,545 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:54,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:54,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 286 states and 521 transitions. [2023-11-19 03:23:54,104 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 521 transitions. [2023-11-19 03:23:54,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:23:54,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:54,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:55,853 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.