./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.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_b556b374-0621-4821-85e9-2d40a47b95f8/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556b374-0621-4821-85e9-2d40a47b95f8/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_b556b374-0621-4821-85e9-2d40a47b95f8/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556b374-0621-4821-85e9-2d40a47b95f8/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556b374-0621-4821-85e9-2d40a47b95f8/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_b556b374-0621-4821-85e9-2d40a47b95f8/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 3ab30b3db91b0e47e6f9b2ed9ba465facc49148e5cdc1cad78e4808ba0c7de84 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:18:21,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:18:21,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:18:21,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:18:21,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:18:21,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:18:21,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:18:21,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:18:21,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:18:21,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:18:21,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:18:21,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:18:21,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:18:21,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:18:21,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:18:21,610 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:18:21,612 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:18:21,613 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:18:21,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:18:21,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:18:21,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:18:21,625 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:18:21,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:18:21,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:18:21,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:18:21,634 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:18:21,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:18:21,637 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:18:21,638 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:18:21,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:18:21,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:18:21,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:18:21,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:18:21,644 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:18:21,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:18:21,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:18:21,648 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:18:21,648 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:18:21,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:18:21,650 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:18:21,651 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:18:21,652 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556b374-0621-4821-85e9-2d40a47b95f8/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:18:21,684 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:18:21,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:18:21,685 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:18:21,686 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:18:21,687 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:18:21,688 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:18:21,688 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:18:21,688 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:18:21,688 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:18:21,689 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:18:21,689 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:18:21,689 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:18:21,690 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:18:21,690 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:18:21,690 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:18:21,690 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:18:21,691 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:18:21,691 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:18:21,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:18:21,692 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:18:21,692 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:18:21,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:18:21,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:18:21,693 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:18:21,694 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:18:21,694 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:18:21,694 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:18:21,694 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:18:21,695 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:18:21,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:18:21,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:18:21,695 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:18:21,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:18:21,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:18:21,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:18:21,696 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:18:21,697 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:18:21,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:18:21,697 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:18:21,697 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:18:21,698 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:18:21,698 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_b556b374-0621-4821-85e9-2d40a47b95f8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556b374-0621-4821-85e9-2d40a47b95f8/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ab30b3db91b0e47e6f9b2ed9ba465facc49148e5cdc1cad78e4808ba0c7de84 [2021-11-23 17:18:22,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:18:22,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:18:22,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:18:22,114 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:18:22,115 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:18:22,117 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556b374-0621-4821-85e9-2d40a47b95f8/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c [2021-11-23 17:18:22,224 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556b374-0621-4821-85e9-2d40a47b95f8/bin/utaipan-fb15Y9Yzbl/data/0512cc87f/7f3f9e6ef11442eeb70d5d5cb83ab3af/FLAGbc65c340e [2021-11-23 17:18:22,851 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:18:22,852 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556b374-0621-4821-85e9-2d40a47b95f8/sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c [2021-11-23 17:18:22,867 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556b374-0621-4821-85e9-2d40a47b95f8/bin/utaipan-fb15Y9Yzbl/data/0512cc87f/7f3f9e6ef11442eeb70d5d5cb83ab3af/FLAGbc65c340e [2021-11-23 17:18:23,168 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556b374-0621-4821-85e9-2d40a47b95f8/bin/utaipan-fb15Y9Yzbl/data/0512cc87f/7f3f9e6ef11442eeb70d5d5cb83ab3af [2021-11-23 17:18:23,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:18:23,172 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:18:23,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:18:23,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:18:23,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:18:23,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:18:23" (1/1) ... [2021-11-23 17:18:23,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eadbc0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:23, skipping insertion in model container [2021-11-23 17:18:23,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:18:23" (1/1) ... [2021-11-23 17:18:23,195 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:18:23,245 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:18:23,452 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_b556b374-0621-4821-85e9-2d40a47b95f8/sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c[5071,5084] [2021-11-23 17:18:23,531 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:18:23,549 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:18:23,593 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_b556b374-0621-4821-85e9-2d40a47b95f8/sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c[5071,5084] [2021-11-23 17:18:23,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:18:23,675 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:18:23,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:23 WrapperNode [2021-11-23 17:18:23,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:18:23,677 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:18:23,677 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:18:23,677 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:18:23,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:23" (1/1) ... [2021-11-23 17:18:23,700 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:23" (1/1) ... [2021-11-23 17:18:23,734 INFO L137 Inliner]: procedures = 55, calls = 156, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 256 [2021-11-23 17:18:23,735 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:18:23,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:18:23,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:18:23,736 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:18:23,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:23" (1/1) ... [2021-11-23 17:18:23,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:23" (1/1) ... [2021-11-23 17:18:23,752 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:23" (1/1) ... [2021-11-23 17:18:23,753 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:23" (1/1) ... [2021-11-23 17:18:23,777 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:23" (1/1) ... [2021-11-23 17:18:23,799 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:23" (1/1) ... [2021-11-23 17:18:23,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:23" (1/1) ... [2021-11-23 17:18:23,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:18:23,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:18:23,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:18:23,807 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:18:23,808 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:23" (1/1) ... [2021-11-23 17:18:23,831 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:18:23,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556b374-0621-4821-85e9-2d40a47b95f8/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:18:23,874 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556b374-0621-4821-85e9-2d40a47b95f8/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:18:23,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556b374-0621-4821-85e9-2d40a47b95f8/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:18:23,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:18:23,928 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 17:18:23,928 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 17:18:23,928 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 17:18:23,928 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 17:18:23,928 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 17:18:23,929 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 17:18:23,929 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-11-23 17:18:23,929 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-11-23 17:18:23,929 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 17:18:23,929 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 17:18:23,930 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-11-23 17:18:23,930 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-11-23 17:18:23,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:18:23,930 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 17:18:23,930 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 17:18:23,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:18:23,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:18:24,083 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:18:24,092 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:18:24,509 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:18:24,591 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 17:18:24,602 INFO L158 Benchmark]: Toolchain (without parser) took 1428.08ms. Allocated memory was 92.3MB in the beginning and 113.2MB in the end (delta: 21.0MB). Free memory was 58.0MB in the beginning and 57.4MB in the end (delta: 592.4kB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2021-11-23 17:18:24,603 INFO L158 Benchmark]: CDTParser took 1.31ms. Allocated memory is still 92.3MB. Free memory was 47.2MB in the beginning and 47.1MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:18:24,605 INFO L158 Benchmark]: CACSL2BoogieTranslator took 501.34ms. Allocated memory was 92.3MB in the beginning and 113.2MB in the end (delta: 21.0MB). Free memory was 57.8MB in the beginning and 81.0MB in the end (delta: -23.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 17:18:24,606 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.33ms. Allocated memory is still 113.2MB. Free memory was 80.5MB in the beginning and 78.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:18:24,607 INFO L158 Benchmark]: Boogie Preprocessor took 69.84ms. Allocated memory is still 113.2MB. Free memory was 78.4MB in the beginning and 76.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:18:24,608 INFO L158 Benchmark]: RCFGBuilder took 793.08ms. Allocated memory is still 113.2MB. Free memory was 76.8MB in the beginning and 57.4MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 17:18:24,614 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.31ms. Allocated memory is still 92.3MB. Free memory was 47.2MB in the beginning and 47.1MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 501.34ms. Allocated memory was 92.3MB in the beginning and 113.2MB in the end (delta: 21.0MB). Free memory was 57.8MB in the beginning and 81.0MB in the end (delta: -23.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.33ms. Allocated memory is still 113.2MB. Free memory was 80.5MB in the beginning and 78.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.84ms. Allocated memory is still 113.2MB. Free memory was 78.4MB in the beginning and 76.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 793.08ms. Allocated memory is still 113.2MB. Free memory was 76.8MB in the beginning and 57.4MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. 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 17:18:24,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556b374-0621-4821-85e9-2d40a47b95f8/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_b556b374-0621-4821-85e9-2d40a47b95f8/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556b374-0621-4821-85e9-2d40a47b95f8/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_b556b374-0621-4821-85e9-2d40a47b95f8/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556b374-0621-4821-85e9-2d40a47b95f8/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556b374-0621-4821-85e9-2d40a47b95f8/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_b556b374-0621-4821-85e9-2d40a47b95f8/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 3ab30b3db91b0e47e6f9b2ed9ba465facc49148e5cdc1cad78e4808ba0c7de84 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:18:27,617 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:18:27,621 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:18:27,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:18:27,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:18:27,688 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:18:27,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:18:27,698 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:18:27,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:18:27,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:18:27,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:18:27,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:18:27,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:18:27,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:18:27,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:18:27,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:18:27,730 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:18:27,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:18:27,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:18:27,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:18:27,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:18:27,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:18:27,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:18:27,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:18:27,758 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:18:27,759 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:18:27,759 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:18:27,760 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:18:27,761 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:18:27,762 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:18:27,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:18:27,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:18:27,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:18:27,766 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:18:27,767 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:18:27,768 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:18:27,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:18:27,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:18:27,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:18:27,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:18:27,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:18:27,772 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556b374-0621-4821-85e9-2d40a47b95f8/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:18:27,819 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:18:27,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:18:27,822 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:18:27,822 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:18:27,824 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:18:27,824 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:18:27,824 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:18:27,825 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:18:27,825 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:18:27,825 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:18:27,827 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:18:27,827 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:18:27,829 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:18:27,829 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:18:27,830 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:18:27,830 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:18:27,830 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:18:27,830 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:18:27,831 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:18:27,831 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:18:27,831 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:18:27,832 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:18:27,832 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:18:27,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:18:27,833 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:18:27,833 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:18:27,833 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:18:27,834 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:18:27,834 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:18:27,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:18:27,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:18:27,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:18:27,836 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:18:27,836 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:18:27,836 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:18:27,837 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:18:27,837 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:18:27,838 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:18:27,838 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_b556b374-0621-4821-85e9-2d40a47b95f8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556b374-0621-4821-85e9-2d40a47b95f8/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ab30b3db91b0e47e6f9b2ed9ba465facc49148e5cdc1cad78e4808ba0c7de84 [2021-11-23 17:18:28,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:18:28,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:18:28,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:18:28,368 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:18:28,369 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:18:28,371 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556b374-0621-4821-85e9-2d40a47b95f8/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c [2021-11-23 17:18:28,470 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556b374-0621-4821-85e9-2d40a47b95f8/bin/utaipan-fb15Y9Yzbl/data/ef49e98fd/23a9f7ea343c4fafa981153e094d38dd/FLAGab08a6a06 [2021-11-23 17:18:29,174 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:18:29,174 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556b374-0621-4821-85e9-2d40a47b95f8/sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c [2021-11-23 17:18:29,203 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556b374-0621-4821-85e9-2d40a47b95f8/bin/utaipan-fb15Y9Yzbl/data/ef49e98fd/23a9f7ea343c4fafa981153e094d38dd/FLAGab08a6a06 [2021-11-23 17:18:29,470 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556b374-0621-4821-85e9-2d40a47b95f8/bin/utaipan-fb15Y9Yzbl/data/ef49e98fd/23a9f7ea343c4fafa981153e094d38dd [2021-11-23 17:18:29,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:18:29,476 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:18:29,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:18:29,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:18:29,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:18:29,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:18:29" (1/1) ... [2021-11-23 17:18:29,498 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b6d0b25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:29, skipping insertion in model container [2021-11-23 17:18:29,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:18:29" (1/1) ... [2021-11-23 17:18:29,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:18:29,589 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:18:29,764 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_b556b374-0621-4821-85e9-2d40a47b95f8/sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c[5071,5084] [2021-11-23 17:18:29,931 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:18:29,948 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:18:29,969 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:18:29,994 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_b556b374-0621-4821-85e9-2d40a47b95f8/sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c[5071,5084] [2021-11-23 17:18:30,058 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:18:30,076 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:18:30,115 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_b556b374-0621-4821-85e9-2d40a47b95f8/sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c[5071,5084] [2021-11-23 17:18:30,192 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:18:30,251 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:18:30,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:30 WrapperNode [2021-11-23 17:18:30,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:18:30,254 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:18:30,254 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:18:30,254 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:18:30,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:30" (1/1) ... [2021-11-23 17:18:30,307 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:30" (1/1) ... [2021-11-23 17:18:30,343 INFO L137 Inliner]: procedures = 57, calls = 156, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 244 [2021-11-23 17:18:30,344 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:18:30,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:18:30,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:18:30,345 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:18:30,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:30" (1/1) ... [2021-11-23 17:18:30,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:30" (1/1) ... [2021-11-23 17:18:30,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:30" (1/1) ... [2021-11-23 17:18:30,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:30" (1/1) ... [2021-11-23 17:18:30,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:30" (1/1) ... [2021-11-23 17:18:30,378 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:30" (1/1) ... [2021-11-23 17:18:30,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:30" (1/1) ... [2021-11-23 17:18:30,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:18:30,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:18:30,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:18:30,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:18:30,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:30" (1/1) ... [2021-11-23 17:18:30,401 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:18:30,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556b374-0621-4821-85e9-2d40a47b95f8/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:18:30,451 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556b374-0621-4821-85e9-2d40a47b95f8/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:18:30,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556b374-0621-4821-85e9-2d40a47b95f8/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:18:30,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:18:30,511 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 17:18:30,511 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 17:18:30,511 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 17:18:30,511 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 17:18:30,511 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 17:18:30,512 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 17:18:30,512 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-11-23 17:18:30,512 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-11-23 17:18:30,512 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 17:18:30,512 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 17:18:30,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:18:30,513 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-11-23 17:18:30,513 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-11-23 17:18:30,513 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 17:18:30,513 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 17:18:30,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:18:30,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:18:30,658 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:18:30,661 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:18:31,195 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:18:31,205 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:18:31,205 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 17:18:31,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:18:31 BoogieIcfgContainer [2021-11-23 17:18:31,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:18:31,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:18:31,216 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:18:31,219 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:18:31,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:18:29" (1/3) ... [2021-11-23 17:18:31,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a622647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:18:31, skipping insertion in model container [2021-11-23 17:18:31,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:30" (2/3) ... [2021-11-23 17:18:31,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a622647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:18:31, skipping insertion in model container [2021-11-23 17:18:31,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:18:31" (3/3) ... [2021-11-23 17:18:31,224 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product37.cil.c [2021-11-23 17:18:31,231 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:18:31,231 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:18:31,312 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:18:31,324 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 17:18:31,325 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:18:31,365 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 69 states have (on average 1.3768115942028984) internal successors, (95), 77 states have internal predecessors, (95), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-23 17:18:31,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 17:18:31,380 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:18:31,381 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 17:18:31,382 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:18:31,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:18:31,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1723855951, now seen corresponding path program 1 times [2021-11-23 17:18:31,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:18:31,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [475782693] [2021-11-23 17:18:31,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:18:31,413 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:18:31,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556b374-0621-4821-85e9-2d40a47b95f8/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:18:31,420 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556b374-0621-4821-85e9-2d40a47b95f8/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:18:31,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556b374-0621-4821-85e9-2d40a47b95f8/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:18:31,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556b374-0621-4821-85e9-2d40a47b95f8/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:18:31,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556b374-0621-4821-85e9-2d40a47b95f8/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:18:31,702 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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 17:18:31,709 INFO L158 Benchmark]: Toolchain (without parser) took 2231.23ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 22.3MB in the beginning and 27.2MB in the end (delta: -4.9MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-11-23 17:18:31,710 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 48.2MB. Free memory is still 29.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:18:31,712 INFO L158 Benchmark]: CACSL2BoogieTranslator took 770.20ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 22.1MB in the beginning and 40.6MB in the end (delta: -18.4MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2021-11-23 17:18:31,714 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.41ms. Allocated memory is still 58.7MB. Free memory was 40.6MB in the beginning and 37.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:18:31,715 INFO L158 Benchmark]: Boogie Preprocessor took 40.80ms. Allocated memory is still 58.7MB. Free memory was 37.9MB in the beginning and 36.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:18:31,717 INFO L158 Benchmark]: RCFGBuilder took 826.26ms. Allocated memory is still 58.7MB. Free memory was 36.5MB in the beginning and 36.8MB in the end (delta: -347.4kB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 17:18:31,723 INFO L158 Benchmark]: TraceAbstraction took 492.03ms. Allocated memory is still 58.7MB. Free memory was 36.2MB in the beginning and 27.2MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 17:18:31,729 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 48.2MB. Free memory is still 29.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 770.20ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 22.1MB in the beginning and 40.6MB in the end (delta: -18.4MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.41ms. Allocated memory is still 58.7MB. Free memory was 40.6MB in the beginning and 37.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.80ms. Allocated memory is still 58.7MB. Free memory was 37.9MB in the beginning and 36.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 826.26ms. Allocated memory is still 58.7MB. Free memory was 36.5MB in the beginning and 36.8MB in the end (delta: -347.4kB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 492.03ms. Allocated memory is still 58.7MB. Free memory was 36.2MB in the beginning and 27.2MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:18:31,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556b374-0621-4821-85e9-2d40a47b95f8/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 Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable