./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/forester-heap/sll-buckets-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02c73f11-89b7-4884-a95e-3998050fbae5/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02c73f11-89b7-4884-a95e-3998050fbae5/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_02c73f11-89b7-4884-a95e-3998050fbae5/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02c73f11-89b7-4884-a95e-3998050fbae5/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-buckets-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02c73f11-89b7-4884-a95e-3998050fbae5/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_02c73f11-89b7-4884-a95e-3998050fbae5/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 5a4c2149f6fe1f453f0ff04220f5041f2227f6654d0fa84d48205415ce284fcb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:01:07,373 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:01:07,475 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02c73f11-89b7-4884-a95e-3998050fbae5/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 04:01:07,486 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:01:07,487 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:01:07,528 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:01:07,531 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:01:07,532 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:01:07,533 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:01:07,538 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:01:07,539 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:01:07,540 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:01:07,540 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:01:07,542 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:01:07,542 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:01:07,543 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:01:07,543 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:01:07,544 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:01:07,544 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:01:07,545 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:01:07,545 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:01:07,546 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:01:07,546 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:01:07,547 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:01:07,549 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:01:07,549 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:01:07,550 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:01:07,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:07,551 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:01:07,551 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:01:07,553 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:01:07,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:01:07,553 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_02c73f11-89b7-4884-a95e-3998050fbae5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02c73f11-89b7-4884-a95e-3998050fbae5/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a4c2149f6fe1f453f0ff04220f5041f2227f6654d0fa84d48205415ce284fcb [2023-11-19 04:01:07,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:01:07,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:01:07,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:01:07,906 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:01:07,907 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:01:07,908 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02c73f11-89b7-4884-a95e-3998050fbae5/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/forester-heap/sll-buckets-2.i [2023-11-19 04:01:11,023 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:01:11,275 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:01:11,283 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02c73f11-89b7-4884-a95e-3998050fbae5/sv-benchmarks/c/forester-heap/sll-buckets-2.i [2023-11-19 04:01:11,296 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02c73f11-89b7-4884-a95e-3998050fbae5/bin/ukojak-verify-G8NBE6pJGL/data/87d4f4e87/bc1a1c33907043a4b2f519924581872d/FLAG2495b896b [2023-11-19 04:01:11,308 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02c73f11-89b7-4884-a95e-3998050fbae5/bin/ukojak-verify-G8NBE6pJGL/data/87d4f4e87/bc1a1c33907043a4b2f519924581872d [2023-11-19 04:01:11,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:01:11,312 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:01:11,313 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:11,313 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:01:11,318 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:01:11,319 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:11" (1/1) ... [2023-11-19 04:01:11,321 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c77984d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:11, skipping insertion in model container [2023-11-19 04:01:11,321 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:11" (1/1) ... [2023-11-19 04:01:11,379 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:01:11,733 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:11,750 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:01:11,838 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:11,872 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:01:11,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:11 WrapperNode [2023-11-19 04:01:11,873 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:11,874 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:11,874 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:01:11,874 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:01:11,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:11" (1/1) ... [2023-11-19 04:01:11,909 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:11" (1/1) ... [2023-11-19 04:01:11,939 INFO L138 Inliner]: procedures = 119, calls = 47, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 172 [2023-11-19 04:01:11,940 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:11,941 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:01:11,941 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:01:11,941 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:01:11,951 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:11" (1/1) ... [2023-11-19 04:01:11,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:11" (1/1) ... [2023-11-19 04:01:11,956 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:11" (1/1) ... [2023-11-19 04:01:11,956 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:11" (1/1) ... [2023-11-19 04:01:11,967 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:11" (1/1) ... [2023-11-19 04:01:11,974 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:11" (1/1) ... [2023-11-19 04:01:11,976 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:11" (1/1) ... [2023-11-19 04:01:11,978 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:11" (1/1) ... [2023-11-19 04:01:11,982 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:01:11,983 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:01:11,983 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:01:11,983 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:01:11,984 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:11" (1/1) ... [2023-11-19 04:01:11,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:12,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02c73f11-89b7-4884-a95e-3998050fbae5/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:01:12,026 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02c73f11-89b7-4884-a95e-3998050fbae5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:01:12,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02c73f11-89b7-4884-a95e-3998050fbae5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:01:12,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:01:12,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:01:12,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:01:12,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:01:12,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:01:12,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:01:12,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:01:12,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:01:12,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:01:12,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:01:12,196 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:01:12,198 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:01:12,593 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:01:12,655 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:01:12,655 INFO L302 CfgBuilder]: Removed 15 assume(true) statements. [2023-11-19 04:01:12,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:12 BoogieIcfgContainer [2023-11-19 04:01:12,661 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:01:12,662 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:01:12,662 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:01:12,678 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:01:12,679 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:12" (1/1) ... [2023-11-19 04:01:12,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:01:12,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:12,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 49 states and 77 transitions. [2023-11-19 04:01:12,746 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 77 transitions. [2023-11-19 04:01:12,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 04:01:12,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:12,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:12,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:13,114 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 04:01:13,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:13,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 49 states and 76 transitions. [2023-11-19 04:01:13,276 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2023-11-19 04:01:13,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:01:13,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:13,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:13,571 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 04:01:13,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:13,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 51 states and 77 transitions. [2023-11-19 04:01:13,690 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 77 transitions. [2023-11-19 04:01:13,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:01:13,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:13,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:13,794 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 04:01:13,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:13,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 53 states and 80 transitions. [2023-11-19 04:01:13,816 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 80 transitions. [2023-11-19 04:01:13,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:01:13,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:13,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:13,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:13,902 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 04:01:13,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:13,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 54 states and 78 transitions. [2023-11-19 04:01:13,977 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2023-11-19 04:01:13,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:01:13,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:13,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:14,068 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 04:01:14,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:14,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 50 states and 70 transitions. [2023-11-19 04:01:14,112 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 70 transitions. [2023-11-19 04:01:14,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:01:14,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:14,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:14,870 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 04:01:15,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:15,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 54 states and 75 transitions. [2023-11-19 04:01:15,336 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions. [2023-11-19 04:01:15,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:01:15,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:15,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:15,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:15,393 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 04:01:15,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:15,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 69 transitions. [2023-11-19 04:01:15,399 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2023-11-19 04:01:15,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:01:15,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:15,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:15,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:16,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:16,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 61 states and 82 transitions. [2023-11-19 04:01:16,456 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2023-11-19 04:01:16,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:01:16,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:16,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:16,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:16,536 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 04:01:16,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:16,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 67 states and 92 transitions. [2023-11-19 04:01:16,620 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2023-11-19 04:01:16,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:01:16,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:16,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:17,026 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 04:01:17,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:17,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 75 states and 109 transitions. [2023-11-19 04:01:17,777 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions. [2023-11-19 04:01:17,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:01:17,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:17,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:18,838 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 04:01:20,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:20,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 83 states and 127 transitions. [2023-11-19 04:01:20,843 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 127 transitions. [2023-11-19 04:01:20,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:01:20,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:20,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:20,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:21,699 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:23,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:23,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 91 states and 148 transitions. [2023-11-19 04:01:23,112 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 148 transitions. [2023-11-19 04:01:23,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:01:23,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:23,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:23,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:23,742 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:25,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:25,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 97 states and 160 transitions. [2023-11-19 04:01:25,569 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 160 transitions. [2023-11-19 04:01:25,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:01:25,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:25,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:25,670 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 04:01:26,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:26,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 104 states and 175 transitions. [2023-11-19 04:01:26,637 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 175 transitions. [2023-11-19 04:01:26,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:01:26,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:26,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:26,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:28,863 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:34,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:34,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 116 states and 212 transitions. [2023-11-19 04:01:34,556 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 212 transitions. [2023-11-19 04:01:34,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:01:34,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:34,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:34,655 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:34,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:34,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 116 states and 211 transitions. [2023-11-19 04:01:34,687 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 211 transitions. [2023-11-19 04:01:34,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:01:34,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:34,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:34,778 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:01:35,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:35,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 118 states and 215 transitions. [2023-11-19 04:01:35,878 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 215 transitions. [2023-11-19 04:01:35,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:01:35,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:35,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:35,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:38,140 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:44,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:44,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 129 states and 244 transitions. [2023-11-19 04:01:44,041 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 244 transitions. [2023-11-19 04:01:44,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:01:44,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:44,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:44,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:47,026 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:56,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:56,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 142 states and 277 transitions. [2023-11-19 04:01:56,523 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 277 transitions. [2023-11-19 04:01:56,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:01:56,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:56,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:56,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:57,047 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:58,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:58,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 146 states and 286 transitions. [2023-11-19 04:01:58,499 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 286 transitions. [2023-11-19 04:01:58,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:01:58,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:58,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:58,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:01,067 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.