./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff8ebae-a1db-4f87-ad7c-24c46544a4ef/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff8ebae-a1db-4f87-ad7c-24c46544a4ef/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff8ebae-a1db-4f87-ad7c-24c46544a4ef/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff8ebae-a1db-4f87-ad7c-24c46544a4ef/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff8ebae-a1db-4f87-ad7c-24c46544a4ef/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff8ebae-a1db-4f87-ad7c-24c46544a4ef/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4fb6aa6206205a747f158782e93b3c9333c1a2cdc4e8dab70046fca960e31961 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:22:50,360 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:22:50,362 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:22:50,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:22:50,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:22:50,424 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:22:50,427 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:22:50,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:22:50,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:22:50,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:22:50,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:22:50,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:22:50,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:22:50,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:22:50,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:22:50,450 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:22:50,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:22:50,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:22:50,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:22:50,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:22:50,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:22:50,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:22:50,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:22:50,479 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:22:50,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:22:50,489 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:22:50,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:22:50,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:22:50,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:22:50,494 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:22:50,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:22:50,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:22:50,497 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:22:50,499 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:22:50,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:22:50,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:22:50,502 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:22:50,502 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:22:50,502 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:22:50,503 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:22:50,504 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:22:50,505 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff8ebae-a1db-4f87-ad7c-24c46544a4ef/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:22:50,550 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:22:50,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:22:50,552 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:22:50,552 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:22:50,552 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:22:50,553 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:22:50,553 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:22:50,553 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:22:50,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:22:50,554 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:22:50,555 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:22:50,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:22:50,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:22:50,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:22:50,562 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:22:50,562 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:22:50,562 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:22:50,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:22:50,562 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:22:50,563 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:22:50,563 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:22:50,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:22:50,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:22:50,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:22:50,564 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:22:50,564 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:22:50,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:22:50,564 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:22:50,564 INFO L138 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_5ff8ebae-a1db-4f87-ad7c-24c46544a4ef/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff8ebae-a1db-4f87-ad7c-24c46544a4ef/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fb6aa6206205a747f158782e93b3c9333c1a2cdc4e8dab70046fca960e31961 [2021-11-22 23:22:50,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:22:50,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:22:50,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:22:50,848 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:22:50,849 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:22:50,850 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff8ebae-a1db-4f87-ad7c-24c46544a4ef/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i [2021-11-22 23:22:50,929 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff8ebae-a1db-4f87-ad7c-24c46544a4ef/bin/ukojak-LBtLqBUTdQ/data/05d42d778/6b6cd46569b64e0f968f4d163df0dbe9/FLAG9c8b24a12 [2021-11-22 23:22:51,493 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:22:51,501 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff8ebae-a1db-4f87-ad7c-24c46544a4ef/sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i [2021-11-22 23:22:51,521 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff8ebae-a1db-4f87-ad7c-24c46544a4ef/bin/ukojak-LBtLqBUTdQ/data/05d42d778/6b6cd46569b64e0f968f4d163df0dbe9/FLAG9c8b24a12 [2021-11-22 23:22:51,788 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff8ebae-a1db-4f87-ad7c-24c46544a4ef/bin/ukojak-LBtLqBUTdQ/data/05d42d778/6b6cd46569b64e0f968f4d163df0dbe9 [2021-11-22 23:22:51,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:22:51,792 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:22:51,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:22:51,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:22:51,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:22:51,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:22:51" (1/1) ... [2021-11-22 23:22:51,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54f50ba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:51, skipping insertion in model container [2021-11-22 23:22:51,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:22:51" (1/1) ... [2021-11-22 23:22:51,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:22:51,847 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:22:52,243 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff8ebae-a1db-4f87-ad7c-24c46544a4ef/sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i[24211,24224] [2021-11-22 23:22:52,246 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:22:52,262 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:22:52,326 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff8ebae-a1db-4f87-ad7c-24c46544a4ef/sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i[24211,24224] [2021-11-22 23:22:52,338 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:22:52,374 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:22:52,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:52 WrapperNode [2021-11-22 23:22:52,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:22:52,376 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:22:52,376 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:22:52,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:22:52,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:52" (1/1) ... [2021-11-22 23:22:52,424 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:52" (1/1) ... [2021-11-22 23:22:52,462 INFO L137 Inliner]: procedures = 122, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 92 [2021-11-22 23:22:52,463 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:22:52,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:22:52,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:22:52,464 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:22:52,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:52" (1/1) ... [2021-11-22 23:22:52,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:52" (1/1) ... [2021-11-22 23:22:52,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:52" (1/1) ... [2021-11-22 23:22:52,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:52" (1/1) ... [2021-11-22 23:22:52,504 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:52" (1/1) ... [2021-11-22 23:22:52,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:52" (1/1) ... [2021-11-22 23:22:52,516 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:52" (1/1) ... [2021-11-22 23:22:52,524 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:22:52,530 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:22:52,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:22:52,531 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:22:52,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:52" (1/1) ... [2021-11-22 23:22:52,541 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:22:52,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff8ebae-a1db-4f87-ad7c-24c46544a4ef/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:22:52,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff8ebae-a1db-4f87-ad7c-24c46544a4ef/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:22:52,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff8ebae-a1db-4f87-ad7c-24c46544a4ef/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:22:52,619 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2021-11-22 23:22:52,619 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2021-11-22 23:22:52,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:22:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:22:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 23:22:52,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:22:52,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 23:22:52,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 23:22:52,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:22:52,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:22:52,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:22:52,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:22:52,765 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:22:52,768 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:22:52,811 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2021-11-22 23:22:52,991 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:22:53,034 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:22:53,035 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-22 23:22:53,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:22:53 BoogieIcfgContainer [2021-11-22 23:22:53,038 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:22:53,040 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:22:53,040 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:22:53,051 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:22:53,051 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:22:53" (1/1) ... [2021-11-22 23:22:53,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:22:53,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:53,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2021-11-22 23:22:53,129 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2021-11-22 23:22:53,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:22:53,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:53,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:53,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:53,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:53,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:53,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2021-11-22 23:22:53,374 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2021-11-22 23:22:53,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:22:53,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:53,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:53,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:53,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:53,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2021-11-22 23:22:53,518 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2021-11-22 23:22:53,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:22:53,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:53,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:53,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:53,671 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:53,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:53,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2021-11-22 23:22:53,766 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2021-11-22 23:22:53,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:22:53,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:53,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:53,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:53,892 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:53,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:53,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 41 transitions. [2021-11-22 23:22:53,999 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2021-11-22 23:22:54,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:22:54,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:54,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:54,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:54,485 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:22:56,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:56,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 47 states and 68 transitions. [2021-11-22 23:22:56,163 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2021-11-22 23:22:56,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:22:56,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:56,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:56,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:56,266 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:56,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:56,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2021-11-22 23:22:56,795 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2021-11-22 23:22:56,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:22:56,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:56,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:56,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:57,909 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:23:01,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:01,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 37 states and 49 transitions. [2021-11-22 23:23:01,831 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2021-11-22 23:23:01,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:23:01,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:01,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:01,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:02,880 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:23:04,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:04,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 40 states and 53 transitions. [2021-11-22 23:23:04,926 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 53 transitions. [2021-11-22 23:23:04,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:23:04,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:04,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:06,600 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:14,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:14,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 46 states and 63 transitions. [2021-11-22 23:23:14,696 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 63 transitions. [2021-11-22 23:23:14,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:23:14,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:14,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:14,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:15,880 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:23:22,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:22,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 49 states and 67 transitions. [2021-11-22 23:23:22,188 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 67 transitions. [2021-11-22 23:23:22,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:23:22,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:22,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:26,060 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:39,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:39,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 52 states and 72 transitions. [2021-11-22 23:23:39,334 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2021-11-22 23:23:39,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:23:39,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:39,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:41,880 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 9 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:52,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:52,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 55 states and 76 transitions. [2021-11-22 23:23:52,544 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 76 transitions. [2021-11-22 23:23:52,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:23:52,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:52,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:52,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:58,008 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:18,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:18,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 58 states and 82 transitions. [2021-11-22 23:24:18,240 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 82 transitions. [2021-11-22 23:24:18,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:24:18,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:18,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:18,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:24,210 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:34,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:34,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 61 states and 86 transitions. [2021-11-22 23:24:34,350 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 86 transitions. [2021-11-22 23:24:34,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:24:34,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:34,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:34,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:41,939 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 18 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:59,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:59,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 50 states and 57 transitions. [2021-11-22 23:24:59,897 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2021-11-22 23:24:59,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:24:59,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:59,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:10,638 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:45,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:45,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 62 states and 76 transitions. [2021-11-22 23:25:45,788 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 76 transitions. [2021-11-22 23:25:45,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:25:45,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:45,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:46,986 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:57,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:57,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 52 states and 59 transitions. [2021-11-22 23:25:57,220 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2021-11-22 23:25:57,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:25:57,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:57,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:57,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:12,760 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:29,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:29,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 65 states and 79 transitions. [2021-11-22 23:27:29,767 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 79 transitions. [2021-11-22 23:27:29,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:27:29,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:29,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:31,220 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:46,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:46,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 55 states and 64 transitions. [2021-11-22 23:27:46,468 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 64 transitions. [2021-11-22 23:27:46,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:27:46,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:46,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:10,306 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:45,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:45,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 68 states and 85 transitions. [2021-11-22 23:29:45,425 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2021-11-22 23:29:45,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:29:45,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:45,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:45,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:47,731 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:06,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:06,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 58 states and 70 transitions. [2021-11-22 23:30:06,928 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 70 transitions. [2021-11-22 23:30:06,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-22 23:30:06,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:06,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:07,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:36,015 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:21,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:21,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 71 states and 90 transitions. [2021-11-22 23:32:21,609 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions. [2021-11-22 23:32:21,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-22 23:32:21,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:21,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:23,467 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:45,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:45,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 61 states and 76 transitions. [2021-11-22 23:32:45,158 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 76 transitions. [2021-11-22 23:32:45,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:32:45,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:45,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:20,614 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:35:24,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:24,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 68 states and 92 transitions. [2021-11-22 23:35:24,826 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 92 transitions. [2021-11-22 23:35:24,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:35:24,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:24,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:27,955 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.