./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label46.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label46.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 55bb0b6283aff4abf5faadff9f7f9aff6ee42cf1532c03b428b7b431fbde06be --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:04:11,453 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:04:11,456 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:04:11,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:04:11,520 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:04:11,526 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:04:11,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:04:11,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:04:11,535 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:04:11,536 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:04:11,538 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:04:11,539 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:04:11,540 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:04:11,542 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:04:11,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:04:11,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:04:11,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:04:11,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:04:11,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:04:11,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:04:11,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:04:11,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:04:11,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:04:11,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:04:11,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:04:11,571 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:04:11,571 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:04:11,573 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:04:11,573 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:04:11,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:04:11,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:04:11,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:04:11,585 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:04:11,587 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:04:11,589 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:04:11,589 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:04:11,590 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:04:11,591 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:04:11,591 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:04:11,592 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:04:11,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:04:11,594 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:04:11,646 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:04:11,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:04:11,647 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:04:11,647 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:04:11,648 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:04:11,648 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:04:11,648 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:04:11,648 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:04:11,648 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:04:11,649 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:04:11,649 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:04:11,649 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:04:11,649 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:04:11,649 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:04:11,650 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:04:11,650 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:04:11,655 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:04:11,656 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:04:11,656 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:04:11,657 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:04:11,657 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:04:11,657 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:04:11,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:04:11,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:04:11,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:04:11,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:04:11,660 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:04:11,661 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:04:11,661 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:04:11,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:04:11,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:04:11,662 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:04:11,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:04:11,663 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:04:11,663 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:04:11,663 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:04:11,665 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:04:11,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:04:11,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:04:11,665 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:04:11,665 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:04:11,666 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55bb0b6283aff4abf5faadff9f7f9aff6ee42cf1532c03b428b7b431fbde06be [2021-11-23 17:04:11,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:04:11,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:04:11,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:04:11,978 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:04:11,979 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:04:11,980 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/eca-rers2012/Problem10_label46.c [2021-11-23 17:04:12,043 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/data/47702eed1/fe99179ba72d4a83857a6fb5e8783156/FLAG1a76dc792 [2021-11-23 17:04:12,635 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:04:12,636 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/sv-benchmarks/c/eca-rers2012/Problem10_label46.c [2021-11-23 17:04:12,667 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/data/47702eed1/fe99179ba72d4a83857a6fb5e8783156/FLAG1a76dc792 [2021-11-23 17:04:12,882 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/data/47702eed1/fe99179ba72d4a83857a6fb5e8783156 [2021-11-23 17:04:12,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:04:12,887 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:04:12,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:04:12,894 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:04:12,904 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:04:12,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:04:12" (1/1) ... [2021-11-23 17:04:12,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23be2efe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:12, skipping insertion in model container [2021-11-23 17:04:12,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:04:12" (1/1) ... [2021-11-23 17:04:12,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:04:12,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:04:13,215 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_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/sv-benchmarks/c/eca-rers2012/Problem10_label46.c[2596,2609] [2021-11-23 17:04:13,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:04:13,466 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:04:13,484 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_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/sv-benchmarks/c/eca-rers2012/Problem10_label46.c[2596,2609] [2021-11-23 17:04:13,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:04:13,603 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:04:13,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:13 WrapperNode [2021-11-23 17:04:13,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:04:13,605 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:04:13,605 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:04:13,606 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:04:13,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:13" (1/1) ... [2021-11-23 17:04:13,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:13" (1/1) ... [2021-11-23 17:04:13,717 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2021-11-23 17:04:13,722 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:04:13,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:04:13,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:04:13,724 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:04:13,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:13" (1/1) ... [2021-11-23 17:04:13,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:13" (1/1) ... [2021-11-23 17:04:13,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:13" (1/1) ... [2021-11-23 17:04:13,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:13" (1/1) ... [2021-11-23 17:04:13,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:13" (1/1) ... [2021-11-23 17:04:13,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:13" (1/1) ... [2021-11-23 17:04:13,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:13" (1/1) ... [2021-11-23 17:04:13,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:04:13,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:04:13,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:04:13,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:04:13,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:13" (1/1) ... [2021-11-23 17:04:13,838 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:04:13,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:04:13,881 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:04:13,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:04:13,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:04:13,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:04:13,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:04:13,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:04:14,012 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:04:14,014 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:04:15,184 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:04:15,244 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:04:15,250 INFO L158 Benchmark]: Toolchain (without parser) took 2361.14ms. Allocated memory was 111.1MB in the beginning and 142.6MB in the end (delta: 31.5MB). Free memory was 67.1MB in the beginning and 62.8MB in the end (delta: 4.3MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2021-11-23 17:04:15,251 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 111.1MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:04:15,253 INFO L158 Benchmark]: CACSL2BoogieTranslator took 710.34ms. Allocated memory is still 111.1MB. Free memory was 66.9MB in the beginning and 69.4MB in the end (delta: -2.5MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2021-11-23 17:04:15,255 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.55ms. Allocated memory is still 111.1MB. Free memory was 69.4MB in the beginning and 61.4MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 17:04:15,256 INFO L158 Benchmark]: Boogie Preprocessor took 95.62ms. Allocated memory is still 111.1MB. Free memory was 61.4MB in the beginning and 56.5MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:04:15,257 INFO L158 Benchmark]: RCFGBuilder took 1427.34ms. Allocated memory was 111.1MB in the beginning and 142.6MB in the end (delta: 31.5MB). Free memory was 56.5MB in the beginning and 62.8MB in the end (delta: -6.4MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2021-11-23 17:04:15,270 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 111.1MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 710.34ms. Allocated memory is still 111.1MB. Free memory was 66.9MB in the beginning and 69.4MB in the end (delta: -2.5MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.55ms. Allocated memory is still 111.1MB. Free memory was 69.4MB in the beginning and 61.4MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.62ms. Allocated memory is still 111.1MB. Free memory was 61.4MB in the beginning and 56.5MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1427.34ms. Allocated memory was 111.1MB in the beginning and 142.6MB in the end (delta: 31.5MB). Free memory was 56.5MB in the beginning and 62.8MB in the end (delta: -6.4MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:04:15,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label46.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 55bb0b6283aff4abf5faadff9f7f9aff6ee42cf1532c03b428b7b431fbde06be --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:04:17,938 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:04:17,940 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:04:17,991 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:04:17,992 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:04:17,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:04:17,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:04:18,003 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:04:18,006 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:04:18,015 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:04:18,016 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:04:18,018 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:04:18,019 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:04:18,022 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:04:18,024 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:04:18,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:04:18,030 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:04:18,031 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:04:18,039 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:04:18,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:04:18,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:04:18,053 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:04:18,056 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:04:18,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:04:18,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:04:18,071 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:04:18,071 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:04:18,074 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:04:18,075 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:04:18,076 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:04:18,077 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:04:18,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:04:18,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:04:18,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:04:18,083 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:04:18,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:04:18,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:04:18,085 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:04:18,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:04:18,087 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:04:18,088 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:04:18,089 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:04:18,121 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:04:18,121 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:04:18,121 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:04:18,122 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:04:18,122 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:04:18,122 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:04:18,123 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:04:18,123 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:04:18,123 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:04:18,123 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:04:18,124 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:04:18,124 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:04:18,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:04:18,125 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:04:18,125 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:04:18,125 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:04:18,126 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:04:18,126 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:04:18,126 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:04:18,126 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:04:18,127 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:04:18,127 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:04:18,130 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:04:18,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:04:18,131 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:04:18,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:04:18,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:04:18,132 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:04:18,132 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:04:18,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:04:18,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:04:18,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:04:18,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:04:18,134 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:04:18,135 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:04:18,135 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:04:18,136 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:04:18,137 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:04:18,137 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55bb0b6283aff4abf5faadff9f7f9aff6ee42cf1532c03b428b7b431fbde06be [2021-11-23 17:04:18,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:04:18,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:04:18,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:04:18,640 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:04:18,641 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:04:18,643 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/eca-rers2012/Problem10_label46.c [2021-11-23 17:04:18,725 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/data/dcac04c74/8c458491b7094960aa29938bea10406f/FLAGda0d9409a [2021-11-23 17:04:19,339 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:04:19,340 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/sv-benchmarks/c/eca-rers2012/Problem10_label46.c [2021-11-23 17:04:19,355 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/data/dcac04c74/8c458491b7094960aa29938bea10406f/FLAGda0d9409a [2021-11-23 17:04:19,617 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/data/dcac04c74/8c458491b7094960aa29938bea10406f [2021-11-23 17:04:19,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:04:19,623 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:04:19,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:04:19,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:04:19,633 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:04:19,634 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:04:19" (1/1) ... [2021-11-23 17:04:19,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@668bbbda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:19, skipping insertion in model container [2021-11-23 17:04:19,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:04:19" (1/1) ... [2021-11-23 17:04:19,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:04:19,735 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:04:19,945 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_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/sv-benchmarks/c/eca-rers2012/Problem10_label46.c[2596,2609] [2021-11-23 17:04:20,206 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:04:20,220 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:04:20,274 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_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/sv-benchmarks/c/eca-rers2012/Problem10_label46.c[2596,2609] [2021-11-23 17:04:20,395 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:04:20,419 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:04:20,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:20 WrapperNode [2021-11-23 17:04:20,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:04:20,421 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:04:20,421 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:04:20,422 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:04:20,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:20" (1/1) ... [2021-11-23 17:04:20,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:20" (1/1) ... [2021-11-23 17:04:20,527 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 595 [2021-11-23 17:04:20,528 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:04:20,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:04:20,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:04:20,529 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:04:20,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:20" (1/1) ... [2021-11-23 17:04:20,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:20" (1/1) ... [2021-11-23 17:04:20,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:20" (1/1) ... [2021-11-23 17:04:20,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:20" (1/1) ... [2021-11-23 17:04:20,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:20" (1/1) ... [2021-11-23 17:04:20,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:20" (1/1) ... [2021-11-23 17:04:20,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:20" (1/1) ... [2021-11-23 17:04:20,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:04:20,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:04:20,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:04:20,613 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:04:20,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:20" (1/1) ... [2021-11-23 17:04:20,632 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:04:20,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:04:20,664 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:04:20,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:04:20,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:04:20,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:04:20,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:04:20,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:04:20,788 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:04:20,799 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:04:23,975 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:04:23,993 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:04:23,994 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 17:04:23,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:04:23 BoogieIcfgContainer [2021-11-23 17:04:23,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:04:24,001 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:04:24,001 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:04:24,005 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:04:24,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:04:19" (1/3) ... [2021-11-23 17:04:24,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@795a7a1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:04:24, skipping insertion in model container [2021-11-23 17:04:24,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:20" (2/3) ... [2021-11-23 17:04:24,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@795a7a1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:04:24, skipping insertion in model container [2021-11-23 17:04:24,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:04:23" (3/3) ... [2021-11-23 17:04:24,009 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label46.c [2021-11-23 17:04:24,016 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:04:24,016 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:04:24,090 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:04:24,106 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 17:04:24,107 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:04:24,133 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:04:24,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 17:04:24,140 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:04:24,141 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:04:24,142 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:04:24,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:04:24,146 INFO L85 PathProgramCache]: Analyzing trace with hash -85512855, now seen corresponding path program 1 times [2021-11-23 17:04:24,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:04:24,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1582680545] [2021-11-23 17:04:24,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:04:24,160 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:04:24,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:04:24,161 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:04:24,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:04:24,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 17:04:24,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 17:04:24,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:04:24,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 17:04:24,436 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 17:04:24,437 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 17:04:24,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1582680545] [2021-11-23 17:04:24,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1582680545] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 17:04:24,439 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 17:04:24,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 17:04:24,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676751740] [2021-11-23 17:04:24,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 17:04:24,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 17:04:24,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 17:04:24,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 17:04:24,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:04:24,492 INFO L87 Difference]: Start difference. First operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:04:28,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 17:04:28,202 INFO L93 Difference]: Finished difference Result 552 states and 966 transitions. [2021-11-23 17:04:28,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 17:04:28,204 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-11-23 17:04:28,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 17:04:28,218 INFO L225 Difference]: With dead ends: 552 [2021-11-23 17:04:28,218 INFO L226 Difference]: Without dead ends: 282 [2021-11-23 17:04:28,223 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:04:28,227 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 142 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-23 17:04:28,228 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 120 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-11-23 17:04:28,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2021-11-23 17:04:28,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2021-11-23 17:04:28,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 281 states have (on average 1.3416370106761566) internal successors, (377), 281 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:04:28,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 377 transitions. [2021-11-23 17:04:28,289 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 377 transitions. Word has length 21 [2021-11-23 17:04:28,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 17:04:28,289 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 377 transitions. [2021-11-23 17:04:28,290 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:04:28,290 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 377 transitions. [2021-11-23 17:04:28,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-23 17:04:28,294 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:04:28,294 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:04:28,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:04:28,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:04:28,509 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:04:28,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:04:28,510 INFO L85 PathProgramCache]: Analyzing trace with hash -86180708, now seen corresponding path program 1 times [2021-11-23 17:04:28,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:04:28,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2037091939] [2021-11-23 17:04:28,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:04:28,512 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:04:28,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:04:28,513 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:04:28,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-23 17:04:28,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 17:04:28,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 17:04:28,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:04:28,785 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 17:04:28,785 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 17:04:28,785 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 17:04:28,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2037091939] [2021-11-23 17:04:28,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2037091939] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 17:04:28,786 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 17:04:28,787 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 17:04:28,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217199403] [2021-11-23 17:04:28,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 17:04:28,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 17:04:28,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 17:04:28,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 17:04:28,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:04:28,797 INFO L87 Difference]: Start difference. First operand 282 states and 377 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:04:31,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 17:04:31,584 INFO L93 Difference]: Finished difference Result 701 states and 967 transitions. [2021-11-23 17:04:31,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 17:04:31,585 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2021-11-23 17:04:31,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 17:04:31,589 INFO L225 Difference]: With dead ends: 701 [2021-11-23 17:04:31,590 INFO L226 Difference]: Without dead ends: 421 [2021-11-23 17:04:31,592 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:04:31,593 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 125 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-23 17:04:31,594 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 215 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-23 17:04:31,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2021-11-23 17:04:31,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2021-11-23 17:04:31,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 420 states have (on average 1.2523809523809524) internal successors, (526), 420 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:04:31,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 526 transitions. [2021-11-23 17:04:31,627 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 526 transitions. Word has length 87 [2021-11-23 17:04:31,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 17:04:31,628 INFO L470 AbstractCegarLoop]: Abstraction has 421 states and 526 transitions. [2021-11-23 17:04:31,629 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:04:31,629 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 526 transitions. [2021-11-23 17:04:31,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-23 17:04:31,633 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:04:31,633 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:04:31,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-23 17:04:31,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:04:31,845 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:04:31,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:04:31,846 INFO L85 PathProgramCache]: Analyzing trace with hash -236744949, now seen corresponding path program 1 times [2021-11-23 17:04:31,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:04:31,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [745730410] [2021-11-23 17:04:31,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:04:31,847 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:04:31,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:04:31,848 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:04:31,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-23 17:04:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 17:04:31,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 17:04:31,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:04:32,647 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 17:04:32,648 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 17:04:32,648 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 17:04:32,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [745730410] [2021-11-23 17:04:32,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [745730410] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 17:04:32,652 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 17:04:32,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 17:04:32,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898745052] [2021-11-23 17:04:32,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 17:04:32,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 17:04:32,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 17:04:32,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 17:04:32,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:04:32,661 INFO L87 Difference]: Start difference. First operand 421 states and 526 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 2 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:04:34,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 17:04:34,812 INFO L93 Difference]: Finished difference Result 979 states and 1209 transitions. [2021-11-23 17:04:34,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 17:04:34,813 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 2 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2021-11-23 17:04:34,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 17:04:34,817 INFO L225 Difference]: With dead ends: 979 [2021-11-23 17:04:34,817 INFO L226 Difference]: Without dead ends: 560 [2021-11-23 17:04:34,818 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:04:34,819 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 68 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-23 17:04:34,820 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 77 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-23 17:04:34,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2021-11-23 17:04:34,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2021-11-23 17:04:34,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 559 states have (on average 1.2075134168157424) internal successors, (675), 559 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:04:34,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 675 transitions. [2021-11-23 17:04:34,851 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 675 transitions. Word has length 94 [2021-11-23 17:04:34,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 17:04:34,852 INFO L470 AbstractCegarLoop]: Abstraction has 560 states and 675 transitions. [2021-11-23 17:04:34,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 2 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:04:34,852 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 675 transitions. [2021-11-23 17:04:34,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-23 17:04:34,855 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:04:34,855 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:04:34,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-23 17:04:35,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:04:35,070 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:04:35,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:04:35,070 INFO L85 PathProgramCache]: Analyzing trace with hash 404934448, now seen corresponding path program 1 times [2021-11-23 17:04:35,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:04:35,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [934367467] [2021-11-23 17:04:35,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:04:35,072 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:04:35,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:04:35,074 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:04:35,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-23 17:04:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 17:04:35,146 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 17:04:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 17:04:35,276 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-23 17:04:35,277 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 17:04:35,278 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 17:04:35,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-23 17:04:35,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:04:35,495 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-23 17:04:35,498 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 17:04:35,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 05:04:35 BoogieIcfgContainer [2021-11-23 17:04:35,652 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 17:04:35,653 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 17:04:35,654 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 17:04:35,654 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 17:04:35,654 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:04:23" (3/4) ... [2021-11-23 17:04:35,656 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 17:04:35,788 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/witness.graphml [2021-11-23 17:04:35,789 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 17:04:35,790 INFO L158 Benchmark]: Toolchain (without parser) took 16166.53ms. Allocated memory was 54.5MB in the beginning and 81.8MB in the end (delta: 27.3MB). Free memory was 28.8MB in the beginning and 39.8MB in the end (delta: -11.0MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2021-11-23 17:04:35,790 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 54.5MB. Free memory is still 34.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:04:35,791 INFO L158 Benchmark]: CACSL2BoogieTranslator took 791.90ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 28.6MB in the beginning and 43.9MB in the end (delta: -15.3MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2021-11-23 17:04:35,792 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.76ms. Allocated memory is still 67.1MB. Free memory was 43.9MB in the beginning and 38.6MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:04:35,792 INFO L158 Benchmark]: Boogie Preprocessor took 83.63ms. Allocated memory is still 67.1MB. Free memory was 38.6MB in the beginning and 34.1MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:04:35,793 INFO L158 Benchmark]: RCFGBuilder took 3384.41ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 34.1MB in the beginning and 43.4MB in the end (delta: -9.4MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2021-11-23 17:04:35,793 INFO L158 Benchmark]: TraceAbstraction took 11651.64ms. Allocated memory is still 81.8MB. Free memory was 43.0MB in the beginning and 50.3MB in the end (delta: -7.3MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2021-11-23 17:04:35,793 INFO L158 Benchmark]: Witness Printer took 135.32ms. Allocated memory is still 81.8MB. Free memory was 50.3MB in the beginning and 39.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 17:04:35,797 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 54.5MB. Free memory is still 34.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 791.90ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 28.6MB in the beginning and 43.9MB in the end (delta: -15.3MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.76ms. Allocated memory is still 67.1MB. Free memory was 43.9MB in the beginning and 38.6MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.63ms. Allocated memory is still 67.1MB. Free memory was 38.6MB in the beginning and 34.1MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3384.41ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 34.1MB in the beginning and 43.4MB in the end (delta: -9.4MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * TraceAbstraction took 11651.64ms. Allocated memory is still 81.8MB. Free memory was 43.0MB in the beginning and 50.3MB in the end (delta: -7.3MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Witness Printer took 135.32ms. Allocated memory is still 81.8MB. Free memory was 50.3MB in the beginning and 39.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 77]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L17] int inputC = 3; [L18] int inputD = 4; [L19] int inputE = 5; [L20] int inputF = 6; [L21] int inputB = 2; [L24] int a1 = 23; [L25] int a19 = 9; [L26] int a10 = 0; [L27] int a12 = 0; [L28] int a4 = 14; VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L589] int output = -1; VAL [a1=23, a10=0, a12=0, a19=9, a4=14, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, output=4294967295] [L592] COND TRUE 1 [L595] int input; [L596] input = __VERIFIER_nondet_int() [L597] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L600] CALL, EXPR calculate_output(input) [L31] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L34] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L37] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L40] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L43] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L46] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L49] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L52] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L55] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L58] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L61] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L64] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L67] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L70] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L73] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L76] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L79] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L82] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L85] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L88] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L91] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L94] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L97] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L100] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L103] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L106] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L109] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L112] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L115] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L118] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L121] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L124] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L127] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L130] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L133] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L136] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L139] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L142] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L145] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L148] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L151] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L154] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L157] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L160] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L163] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L166] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L169] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L172] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L175] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L178] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L181] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L184] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L187] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L190] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L193] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L196] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L199] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L202] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L205] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L208] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L211] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L215] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L220] COND FALSE !(((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0)))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L225] COND FALSE !(((((a4==14) && ((a19==10) && ((a10==1) && (input == 2)))) && (a12==0)) && 218 < a1 )) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L230] COND FALSE !(((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14)))))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L235] COND FALSE !(((a19==10) && (((a4==14) && (((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ((a10==0) && 218 < a1 )) || ((a10==1) && a1 <= -13 )) && (input == 5))) && (a12==0)))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L241] COND FALSE !(((a12==0) && ((a19==9) && (((a4==14) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a10==3))))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L246] COND FALSE !(((a12==0) && ((((a4==14) && ((input == 3) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a10==2)) && (a19==9)))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L249] COND FALSE !((((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (((input == 3) && (a19==10)) && (a4==14)))) && (a10==1))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L254] COND FALSE !((((a19==9) && (((input == 6) && (( 218 < a1 && (a10==0)) || ( a1 <= -13 && (a10==1)))) && (a4==14))) && (a12==0))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L259] COND FALSE !(( ((38 < a1) && (218 >= a1)) && (((a4==14) && ((a19==10) && ((a10==1) && (input == 4)))) && (a12==0)))) VAL [\old(input)=5, a1=23, a10=0, a12=0, a19=9, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L264] COND TRUE (((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5)) && (a19==9)) && (a12==0))) && (a10==0)) [L265] a1 = (((a1 / 5) + 110755) + 220746) [L266] a10 = 1 [L267] a19 = 8 [L269] return -1; VAL [\old(input)=5, \result=-1, a1=331505, a10=1, a12=0, a19=8, a4=14, input=5, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L600] RET, EXPR calculate_output(input) [L600] output = calculate_output(input) [L592] COND TRUE 1 [L595] int input; [L596] input = __VERIFIER_nondet_int() [L597] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L600] CALL calculate_output(input) [L31] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) VAL [\old(input)=4, a1=331505, a10=1, a12=0, a19=8, a4=14, input=4, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L34] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) VAL [\old(input)=4, a1=331505, a10=1, a12=0, a19=8, a4=14, input=4, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L37] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) VAL [\old(input)=4, a1=331505, a10=1, a12=0, a19=8, a4=14, input=4, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L40] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) VAL [\old(input)=4, a1=331505, a10=1, a12=0, a19=8, a4=14, input=4, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L43] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) VAL [\old(input)=4, a1=331505, a10=1, a12=0, a19=8, a4=14, input=4, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L46] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) VAL [\old(input)=4, a1=331505, a10=1, a12=0, a19=8, a4=14, input=4, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L49] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) VAL [\old(input)=4, a1=331505, a10=1, a12=0, a19=8, a4=14, input=4, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L52] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) VAL [\old(input)=4, a1=331505, a10=1, a12=0, a19=8, a4=14, input=4, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L55] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) VAL [\old(input)=4, a1=331505, a10=1, a12=0, a19=8, a4=14, input=4, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L58] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) VAL [\old(input)=4, a1=331505, a10=1, a12=0, a19=8, a4=14, input=4, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L61] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) VAL [\old(input)=4, a1=331505, a10=1, a12=0, a19=8, a4=14, input=4, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L64] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) VAL [\old(input)=4, a1=331505, a10=1, a12=0, a19=8, a4=14, input=4, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L67] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) VAL [\old(input)=4, a1=331505, a10=1, a12=0, a19=8, a4=14, input=4, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L70] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) VAL [\old(input)=4, a1=331505, a10=1, a12=0, a19=8, a4=14, input=4, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L73] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) VAL [\old(input)=4, a1=331505, a10=1, a12=0, a19=8, a4=14, input=4, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L76] COND TRUE (((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8)) VAL [\old(input)=4, a1=331505, a10=1, a12=0, a19=8, a4=14, input=4, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] [L77] reach_error() VAL [\old(input)=4, a1=331505, a10=1, a12=0, a19=8, a4=14, input=4, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.4s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 335 SdHoareTripleChecker+Valid, 8.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 335 mSDsluCounter, 412 SdHoareTripleChecker+Invalid, 7.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 224 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1112 IncrementalHoareTripleChecker+Invalid, 1336 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 224 mSolverCounterUnsat, 396 mSDtfsCounter, 1112 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 199 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=560occurred in iteration=3, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 298 NumberOfCodeBlocks, 298 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 199 ConstructedInterpolants, 0 QuantifiedInterpolants, 713 SizeOfPredicates, 0 NumberOfNonLiveVariables, 308 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 36/36 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-11-23 17:04:35,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bfaea09-aeff-4c50-b0f5-b4294a4a6e67/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE