./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-data/min_max.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_6366be48-c400-4fad-a1ab-0c1690f66f5b/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6366be48-c400-4fad-a1ab-0c1690f66f5b/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_6366be48-c400-4fad-a1ab-0c1690f66f5b/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6366be48-c400-4fad-a1ab-0c1690f66f5b/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/heap-data/min_max.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6366be48-c400-4fad-a1ab-0c1690f66f5b/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_6366be48-c400-4fad-a1ab-0c1690f66f5b/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 6f3dc8ca7e9d6160ebf6e1f17d4641cf9f9e9c7a0130658f0fd8bbb7edc9643d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:10:22,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:10:22,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:10:22,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:10:22,604 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:10:22,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:10:22,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:10:22,616 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:10:22,619 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:10:22,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:10:22,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:10:22,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:10:22,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:10:22,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:10:22,631 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:10:22,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:10:22,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:10:22,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:10:22,637 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:10:22,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:10:22,642 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:10:22,644 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:10:22,645 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:10:22,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:10:22,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:10:22,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:10:22,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:10:22,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:10:22,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:10:22,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:10:22,655 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:10:22,657 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:10:22,658 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:10:22,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:10:22,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:10:22,660 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:10:22,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:10:22,661 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:10:22,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:10:22,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:10:22,663 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:10:22,664 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6366be48-c400-4fad-a1ab-0c1690f66f5b/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:10:22,690 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:10:22,690 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:10:22,691 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:10:22,691 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:10:22,693 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:10:22,694 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:10:22,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:10:22,694 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:10:22,694 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:10:22,695 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:10:22,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:10:22,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:10:22,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:10:22,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:10:22,696 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:10:22,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:10:22,696 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:10:22,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:10:22,696 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:10:22,697 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:10:22,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:10:22,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:10:22,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:10:22,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:10:22,698 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:10:22,698 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:10:22,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:10:22,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:10:22,699 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_6366be48-c400-4fad-a1ab-0c1690f66f5b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6366be48-c400-4fad-a1ab-0c1690f66f5b/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f3dc8ca7e9d6160ebf6e1f17d4641cf9f9e9c7a0130658f0fd8bbb7edc9643d [2021-11-22 23:10:23,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:10:23,083 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:10:23,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:10:23,089 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:10:23,091 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:10:23,092 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6366be48-c400-4fad-a1ab-0c1690f66f5b/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/heap-data/min_max.i [2021-11-22 23:10:23,172 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6366be48-c400-4fad-a1ab-0c1690f66f5b/bin/ukojak-LBtLqBUTdQ/data/c0048d907/0a3078e5291a4e4aa7fe42e6bd18507e/FLAG81c220b7d [2021-11-22 23:10:23,824 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:10:23,826 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6366be48-c400-4fad-a1ab-0c1690f66f5b/sv-benchmarks/c/heap-data/min_max.i [2021-11-22 23:10:23,850 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6366be48-c400-4fad-a1ab-0c1690f66f5b/bin/ukojak-LBtLqBUTdQ/data/c0048d907/0a3078e5291a4e4aa7fe42e6bd18507e/FLAG81c220b7d [2021-11-22 23:10:24,067 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6366be48-c400-4fad-a1ab-0c1690f66f5b/bin/ukojak-LBtLqBUTdQ/data/c0048d907/0a3078e5291a4e4aa7fe42e6bd18507e [2021-11-22 23:10:24,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:10:24,071 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:10:24,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:10:24,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:10:24,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:10:24,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:10:24" (1/1) ... [2021-11-22 23:10:24,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1470f305 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:24, skipping insertion in model container [2021-11-22 23:10:24,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:10:24" (1/1) ... [2021-11-22 23:10:24,089 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:10:24,136 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:10:24,488 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_6366be48-c400-4fad-a1ab-0c1690f66f5b/sv-benchmarks/c/heap-data/min_max.i[23535,23548] [2021-11-22 23:10:24,495 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_6366be48-c400-4fad-a1ab-0c1690f66f5b/sv-benchmarks/c/heap-data/min_max.i[23590,23603] [2021-11-22 23:10:24,497 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:10:24,506 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:10:24,549 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_6366be48-c400-4fad-a1ab-0c1690f66f5b/sv-benchmarks/c/heap-data/min_max.i[23535,23548] [2021-11-22 23:10:24,550 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_6366be48-c400-4fad-a1ab-0c1690f66f5b/sv-benchmarks/c/heap-data/min_max.i[23590,23603] [2021-11-22 23:10:24,551 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:10:24,579 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:10:24,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:24 WrapperNode [2021-11-22 23:10:24,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:10:24,582 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:10:24,582 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:10:24,582 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:10:24,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:24" (1/1) ... [2021-11-22 23:10:24,614 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:24" (1/1) ... [2021-11-22 23:10:24,643 INFO L137 Inliner]: procedures = 121, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59 [2021-11-22 23:10:24,643 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:10:24,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:10:24,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:10:24,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:10:24,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:24" (1/1) ... [2021-11-22 23:10:24,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:24" (1/1) ... [2021-11-22 23:10:24,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:24" (1/1) ... [2021-11-22 23:10:24,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:24" (1/1) ... [2021-11-22 23:10:24,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:24" (1/1) ... [2021-11-22 23:10:24,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:24" (1/1) ... [2021-11-22 23:10:24,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:24" (1/1) ... [2021-11-22 23:10:24,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:10:24,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:10:24,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:10:24,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:10:24,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:24" (1/1) ... [2021-11-22 23:10:24,710 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:10:24,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6366be48-c400-4fad-a1ab-0c1690f66f5b/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:10:24,732 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6366be48-c400-4fad-a1ab-0c1690f66f5b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:10:24,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6366be48-c400-4fad-a1ab-0c1690f66f5b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:10:24,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:10:24,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:10:24,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 23:10:24,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:10:24,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 23:10:24,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 23:10:24,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:10:24,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:10:24,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:10:24,866 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:10:24,868 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:10:25,015 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:10:25,079 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:10:25,079 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-22 23:10:25,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:10:25 BoogieIcfgContainer [2021-11-22 23:10:25,082 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:10:25,083 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:10:25,083 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:10:25,095 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:10:25,096 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:10:25" (1/1) ... [2021-11-22 23:10:25,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:10:25,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:25,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2021-11-22 23:10:25,161 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2021-11-22 23:10:25,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:10:25,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:25,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:25,310 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 23:10:25,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:25,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-11-22 23:10:25,335 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-11-22 23:10:25,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:10:25,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:25,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:25,473 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 23:10:25,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:25,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2021-11-22 23:10:25,546 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2021-11-22 23:10:25,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:10:25,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:25,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:25,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:25,713 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:26,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:26,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2021-11-22 23:10:26,060 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2021-11-22 23:10:26,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:10:26,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:26,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:26,309 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:27,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:27,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2021-11-22 23:10:27,064 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2021-11-22 23:10:27,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:10:27,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:27,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:27,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:27,299 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:28,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:28,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2021-11-22 23:10:28,520 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2021-11-22 23:10:28,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:10:28,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:28,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:28,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:29,376 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:32,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:32,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 47 transitions. [2021-11-22 23:10:32,726 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2021-11-22 23:10:32,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:10:32,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:32,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:32,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:33,204 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:35,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:35,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 42 states and 54 transitions. [2021-11-22 23:10:35,869 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 54 transitions. [2021-11-22 23:10:35,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:10:35,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:35,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:36,310 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:39,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:39,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 50 states and 65 transitions. [2021-11-22 23:10:39,306 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 65 transitions. [2021-11-22 23:10:39,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:10:39,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:39,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:40,095 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:44,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:44,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2021-11-22 23:10:44,941 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2021-11-22 23:10:44,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:10:44,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:44,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:44,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:45,741 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:50,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:50,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 62 states and 82 transitions. [2021-11-22 23:10:50,926 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2021-11-22 23:10:50,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:10:50,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:50,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:50,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:52,078 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:57,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:57,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 70 states and 93 transitions. [2021-11-22 23:10:57,702 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 93 transitions. [2021-11-22 23:10:57,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:10:57,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:57,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:58,523 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:05,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:05,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 75 states and 100 transitions. [2021-11-22 23:11:05,898 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 100 transitions. [2021-11-22 23:11:05,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:11:05,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:05,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:05,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:07,274 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:15,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:15,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 80 states and 107 transitions. [2021-11-22 23:11:15,261 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 107 transitions. [2021-11-22 23:11:15,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:11:15,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:15,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:18,700 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:29,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:29,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 88 states and 121 transitions. [2021-11-22 23:11:29,912 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 121 transitions. [2021-11-22 23:11:29,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:11:29,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:29,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:33,027 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:46,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:46,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 95 states and 134 transitions. [2021-11-22 23:11:46,825 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 134 transitions. [2021-11-22 23:11:46,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:11:46,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:46,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:46,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:51,382 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:05,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:05,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 100 states and 141 transitions. [2021-11-22 23:12:05,671 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 141 transitions. [2021-11-22 23:12:05,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:12:05,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:05,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:08,231 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 5 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:24,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:24,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 110 states and 160 transitions. [2021-11-22 23:12:24,444 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 160 transitions. [2021-11-22 23:12:24,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-22 23:12:24,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:24,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:24,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:29,029 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:49,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:49,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 117 states and 171 transitions. [2021-11-22 23:12:49,587 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 171 transitions. [2021-11-22 23:12:49,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:12:49,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:49,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:49,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:54,663 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:16,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:16,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 124 states and 181 transitions. [2021-11-22 23:13:16,917 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 181 transitions. [2021-11-22 23:13:16,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-22 23:13:16,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:16,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:21,677 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 6 proven. 123 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:42,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:42,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 132 states and 195 transitions. [2021-11-22 23:13:42,738 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 195 transitions. [2021-11-22 23:13:42,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:13:42,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:42,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:42,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat