./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version cf1a7837 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_3c689dd6-1110-4360-85f0-03e5e3d18c69/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c689dd6-1110-4360-85f0-03e5e3d18c69/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_3c689dd6-1110-4360-85f0-03e5e3d18c69/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c689dd6-1110-4360-85f0-03e5e3d18c69/bin/ukojak-verify-0OAaufAVZV/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c689dd6-1110-4360-85f0-03e5e3d18c69/bin/ukojak-verify-0OAaufAVZV/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c689dd6-1110-4360-85f0-03e5e3d18c69/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-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3b13662719be51a1d3330a7f40f7706daa8c7b2d4044bc92f854095c09c7c129 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:44:22,588 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:44:22,768 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c689dd6-1110-4360-85f0-03e5e3d18c69/bin/ukojak-verify-0OAaufAVZV/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-11 23:44:22,777 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:44:22,778 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:44:22,824 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:44:22,826 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:44:22,827 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:44:22,828 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:44:22,835 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:44:22,836 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:44:22,837 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:44:22,837 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:44:22,839 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:44:22,840 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:44:22,840 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-11 23:44:22,841 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-11 23:44:22,841 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:44:22,842 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:44:22,842 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:44:22,843 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:44:22,843 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:44:22,844 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:44:22,845 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:44:22,846 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:44:22,846 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:44:22,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:44:22,847 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:44:22,848 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:44:22,848 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:44:22,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:44:22,850 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_3c689dd6-1110-4360-85f0-03e5e3d18c69/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c689dd6-1110-4360-85f0-03e5e3d18c69/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b13662719be51a1d3330a7f40f7706daa8c7b2d4044bc92f854095c09c7c129 [2023-11-11 23:44:23,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:44:23,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:44:23,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:44:23,253 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:44:23,254 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:44:23,255 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c689dd6-1110-4360-85f0-03e5e3d18c69/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i [2023-11-11 23:44:26,496 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:44:26,813 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:44:26,814 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c689dd6-1110-4360-85f0-03e5e3d18c69/sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i [2023-11-11 23:44:26,843 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c689dd6-1110-4360-85f0-03e5e3d18c69/bin/ukojak-verify-0OAaufAVZV/data/d6f7d230e/3ef99bbea0384e8aa7d8b757f84141c7/FLAGc95bf9dc5 [2023-11-11 23:44:26,860 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c689dd6-1110-4360-85f0-03e5e3d18c69/bin/ukojak-verify-0OAaufAVZV/data/d6f7d230e/3ef99bbea0384e8aa7d8b757f84141c7 [2023-11-11 23:44:26,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:44:26,866 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:44:26,867 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:44:26,868 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:44:26,874 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:44:26,875 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:44:26" (1/1) ... [2023-11-11 23:44:26,876 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8e1eff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:26, skipping insertion in model container [2023-11-11 23:44:26,877 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:44:26" (1/1) ... [2023-11-11 23:44:26,934 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:44:27,546 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:44:27,567 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:44:27,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:44:27,762 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:44:27,763 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:27 WrapperNode [2023-11-11 23:44:27,763 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:44:27,765 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:44:27,765 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:44:27,765 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:44:27,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:27" (1/1) ... [2023-11-11 23:44:27,804 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:27" (1/1) ... [2023-11-11 23:44:27,858 INFO L138 Inliner]: procedures = 232, calls = 76, calls flagged for inlining = 34, calls inlined = 85, statements flattened = 652 [2023-11-11 23:44:27,858 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:44:27,859 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:44:27,859 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:44:27,859 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:44:27,870 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:27" (1/1) ... [2023-11-11 23:44:27,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:27" (1/1) ... [2023-11-11 23:44:27,879 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:27" (1/1) ... [2023-11-11 23:44:27,879 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:27" (1/1) ... [2023-11-11 23:44:27,908 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:27" (1/1) ... [2023-11-11 23:44:27,932 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:27" (1/1) ... [2023-11-11 23:44:27,936 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:27" (1/1) ... [2023-11-11 23:44:27,941 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:27" (1/1) ... [2023-11-11 23:44:27,948 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:44:27,949 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:44:27,949 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:44:27,950 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:44:27,951 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:27" (1/1) ... [2023-11-11 23:44:27,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:44:27,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c689dd6-1110-4360-85f0-03e5e3d18c69/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:44:28,009 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c689dd6-1110-4360-85f0-03e5e3d18c69/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:44:28,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c689dd6-1110-4360-85f0-03e5e3d18c69/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:44:28,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-11 23:44:28,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:44:28,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-11 23:44:28,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:44:28,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:44:28,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:44:28,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:44:28,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-11 23:44:28,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:44:28,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:44:28,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:44:28,370 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:44:28,373 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:44:29,295 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:44:29,598 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:44:29,599 INFO L302 CfgBuilder]: Removed 76 assume(true) statements. [2023-11-11 23:44:29,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:44:29 BoogieIcfgContainer [2023-11-11 23:44:29,604 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:44:29,606 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:44:29,606 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:44:29,617 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:44:29,617 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:44:29" (1/1) ... [2023-11-11 23:44:29,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:44:29,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:29,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 255 states and 403 transitions. [2023-11-11 23:44:29,693 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 403 transitions. [2023-11-11 23:44:29,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:44:29,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:29,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:29,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:29,872 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 23:44:29,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:29,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 254 states and 397 transitions. [2023-11-11 23:44:29,957 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 397 transitions. [2023-11-11 23:44:29,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:44:29,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:29,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:30,127 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 23:44:30,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:30,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 254 states and 395 transitions. [2023-11-11 23:44:30,138 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 395 transitions. [2023-11-11 23:44:30,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:44:30,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:30,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:30,356 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 23:44:30,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:30,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 251 states and 392 transitions. [2023-11-11 23:44:30,506 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 392 transitions. [2023-11-11 23:44:30,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:44:30,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:30,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:30,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:31,090 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 23:44:32,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:32,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 260 states and 402 transitions. [2023-11-11 23:44:32,067 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 402 transitions. [2023-11-11 23:44:32,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:44:32,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:32,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:32,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:32,895 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 23:44:34,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:34,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 272 states and 418 transitions. [2023-11-11 23:44:34,802 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 418 transitions. [2023-11-11 23:44:34,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:44:34,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:34,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:34,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:35,667 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:44:38,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:38,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 286 states and 446 transitions. [2023-11-11 23:44:38,536 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 446 transitions. [2023-11-11 23:44:38,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:44:38,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:38,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:39,234 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 23:44:42,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:42,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 299 states and 463 transitions. [2023-11-11 23:44:42,542 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 463 transitions. [2023-11-11 23:44:42,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:44:42,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:42,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:42,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:44,215 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:47,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:47,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 305 states and 482 transitions. [2023-11-11 23:44:47,566 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 482 transitions. [2023-11-11 23:44:47,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:44:47,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:47,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:47,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:49,057 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 23:44:56,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:56,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 322 states and 508 transitions. [2023-11-11 23:44:56,006 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 508 transitions. [2023-11-11 23:44:56,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:44:56,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:56,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:56,747 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-11 23:44:57,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:57,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 322 states and 507 transitions. [2023-11-11 23:44:57,763 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 507 transitions. [2023-11-11 23:44:57,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:44:57,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:57,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:57,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:59,687 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:45:03,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:03,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 325 states and 513 transitions. [2023-11-11 23:45:03,698 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 513 transitions. [2023-11-11 23:45:03,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:45:03,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:03,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:03,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:05,172 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 23:45:14,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:14,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 344 states and 539 transitions. [2023-11-11 23:45:14,752 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 539 transitions. [2023-11-11 23:45:14,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-11 23:45:14,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:14,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:15,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat