./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-15/cstrncpy_reverse_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cf1a7837 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_2f25fcd1-6829-4f9e-9721-7435db9f59a9/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f25fcd1-6829-4f9e-9721-7435db9f59a9/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f25fcd1-6829-4f9e-9721-7435db9f59a9/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f25fcd1-6829-4f9e-9721-7435db9f59a9/bin/ukojak-verify-0OAaufAVZV/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-15/cstrncpy_reverse_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f25fcd1-6829-4f9e-9721-7435db9f59a9/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f25fcd1-6829-4f9e-9721-7435db9f59a9/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3c4d1f74b81dbb287c4425592070f3cc0de08845db85b6da85a8a6e68f14746e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:57:19,062 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:57:19,207 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f25fcd1-6829-4f9e-9721-7435db9f59a9/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-11 23:57:19,212 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:57:19,213 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:57:19,252 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:57:19,255 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:57:19,256 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:57:19,257 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:57:19,262 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:57:19,263 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:57:19,264 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-11 23:57:19,264 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-11 23:57:19,266 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-11 23:57:19,267 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:57:19,267 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:57:19,268 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:57:19,268 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:57:19,269 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:57:19,270 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:57:19,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:19,271 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:57:19,272 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:57:19,272 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:57:19,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:57:19,273 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_2f25fcd1-6829-4f9e-9721-7435db9f59a9/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f25fcd1-6829-4f9e-9721-7435db9f59a9/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c4d1f74b81dbb287c4425592070f3cc0de08845db85b6da85a8a6e68f14746e [2023-11-11 23:57:19,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:57:19,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:57:19,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:57:19,688 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:57:19,688 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:57:19,690 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f25fcd1-6829-4f9e-9721-7435db9f59a9/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/termination-15/cstrncpy_reverse_alloca.i [2023-11-11 23:57:22,908 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:57:23,293 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:57:23,294 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f25fcd1-6829-4f9e-9721-7435db9f59a9/sv-benchmarks/c/termination-15/cstrncpy_reverse_alloca.i [2023-11-11 23:57:23,309 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f25fcd1-6829-4f9e-9721-7435db9f59a9/bin/ukojak-verify-0OAaufAVZV/data/f27eb5cc2/e10ec45c2b7f4c6d8ee17b7847a933f9/FLAG8be469302 [2023-11-11 23:57:23,327 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f25fcd1-6829-4f9e-9721-7435db9f59a9/bin/ukojak-verify-0OAaufAVZV/data/f27eb5cc2/e10ec45c2b7f4c6d8ee17b7847a933f9 [2023-11-11 23:57:23,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:57:23,332 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:57:23,334 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:23,335 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:57:23,341 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:57:23,342 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:23" (1/1) ... [2023-11-11 23:57:23,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28a42138 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:23, skipping insertion in model container [2023-11-11 23:57:23,344 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:23" (1/1) ... [2023-11-11 23:57:23,390 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:57:23,781 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:23,797 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:57:23,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:23,935 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:57:23,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:23 WrapperNode [2023-11-11 23:57:23,937 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:23,938 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:23,939 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:57:23,939 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:57:23,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:23" (1/1) ... [2023-11-11 23:57:23,977 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:23" (1/1) ... [2023-11-11 23:57:24,015 INFO L138 Inliner]: procedures = 152, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 79 [2023-11-11 23:57:24,016 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:24,017 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:57:24,017 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:57:24,017 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:57:24,028 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:23" (1/1) ... [2023-11-11 23:57:24,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:23" (1/1) ... [2023-11-11 23:57:24,044 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:23" (1/1) ... [2023-11-11 23:57:24,050 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:23" (1/1) ... [2023-11-11 23:57:24,056 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:23" (1/1) ... [2023-11-11 23:57:24,061 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:23" (1/1) ... [2023-11-11 23:57:24,062 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:23" (1/1) ... [2023-11-11 23:57:24,064 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:23" (1/1) ... [2023-11-11 23:57:24,067 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:57:24,068 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:57:24,068 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:57:24,068 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:57:24,070 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:23" (1/1) ... [2023-11-11 23:57:24,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:24,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f25fcd1-6829-4f9e-9721-7435db9f59a9/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:57:24,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f25fcd1-6829-4f9e-9721-7435db9f59a9/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:57:24,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f25fcd1-6829-4f9e-9721-7435db9f59a9/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:57:24,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:57:24,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:57:24,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:57:24,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:57:24,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:57:24,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:57:24,255 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:57:24,258 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:57:24,487 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:57:24,599 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:57:24,600 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:57:24,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:24 BoogieIcfgContainer [2023-11-11 23:57:24,603 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:57:24,604 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:57:24,604 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:57:24,616 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:57:24,616 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:24" (1/1) ... [2023-11-11 23:57:24,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:57:24,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:24,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2023-11-11 23:57:24,685 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2023-11-11 23:57:24,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-11 23:57:24,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:24,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:25,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:25,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:25,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2023-11-11 23:57:25,132 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2023-11-11 23:57:25,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-11 23:57:25,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:25,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:25,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:25,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:25,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2023-11-11 23:57:25,576 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2023-11-11 23:57:25,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:57:25,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:25,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:25,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:25,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:25,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:25,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2023-11-11 23:57:25,758 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2023-11-11 23:57:25,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:57:25,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:25,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:26,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:26,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:26,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2023-11-11 23:57:26,980 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2023-11-11 23:57:26,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:57:26,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:26,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:27,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:28,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:28,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2023-11-11 23:57:28,263 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2023-11-11 23:57:28,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:57:28,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:28,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:28,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:30,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:30,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2023-11-11 23:57:30,316 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2023-11-11 23:57:30,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:57:30,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:30,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:30,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:30,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:31,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:31,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 38 transitions. [2023-11-11 23:57:31,602 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2023-11-11 23:57:31,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:57:31,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:31,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:31,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:32,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:34,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:34,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2023-11-11 23:57:34,717 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2023-11-11 23:57:34,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:57:34,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:34,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:34,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:36,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:36,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 36 states and 52 transitions. [2023-11-11 23:57:36,539 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2023-11-11 23:57:36,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:57:36,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:36,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:36,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:36,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:39,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:39,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 41 states and 62 transitions. [2023-11-11 23:57:39,206 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 62 transitions. [2023-11-11 23:57:39,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:57:39,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:39,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:40,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:47,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:47,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 48 states and 85 transitions. [2023-11-11 23:57:47,341 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2023-11-11 23:57:47,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:57:47,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:47,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:48,035 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:49,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:49,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2023-11-11 23:57:49,319 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2023-11-11 23:57:49,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:57:49,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:49,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:49,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:57:55,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:55,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 56 states and 114 transitions. [2023-11-11 23:57:55,820 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 114 transitions. [2023-11-11 23:57:55,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:57:55,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:55,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:55,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:55,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:57:56,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:56,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 57 states and 116 transitions. [2023-11-11 23:57:56,816 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 116 transitions. [2023-11-11 23:57:56,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:57:56,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:56,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:56,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:56,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:58,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:58,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 59 states and 122 transitions. [2023-11-11 23:57:58,615 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 122 transitions. [2023-11-11 23:57:58,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:57:58,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:58,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:58,687 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:57:59,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:59,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 59 states and 121 transitions. [2023-11-11 23:57:59,439 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 121 transitions. [2023-11-11 23:57:59,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:57:59,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:59,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:59,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:01,896 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:58:13,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:13,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 66 states and 143 transitions. [2023-11-11 23:58:13,229 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 143 transitions. [2023-11-11 23:58:13,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:58:13,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:13,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:13,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:16,020 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.