./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product01.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_253733c9-3b1f-41a4-a8e6-a9114352f2cd/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_253733c9-3b1f-41a4-a8e6-a9114352f2cd/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_253733c9-3b1f-41a4-a8e6-a9114352f2cd/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_253733c9-3b1f-41a4-a8e6-a9114352f2cd/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_253733c9-3b1f-41a4-a8e6-a9114352f2cd/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_253733c9-3b1f-41a4-a8e6-a9114352f2cd/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 50277b719902a0a4cf598e31b0e94effb6529c58c9c4208972d6754269dc97f6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:23:22,362 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:23:22,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:23:22,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:23:22,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:23:22,406 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:23:22,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:23:22,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:23:22,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:23:22,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:23:22,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:23:22,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:23:22,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:23:22,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:23:22,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:23:22,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:23:22,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:23:22,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:23:22,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:23:22,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:23:22,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:23:22,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:23:22,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:23:22,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:23:22,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:23:22,489 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:23:22,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:23:22,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:23:22,493 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:23:22,495 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:23:22,496 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:23:22,498 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:23:22,500 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:23:22,502 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:23:22,504 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:23:22,505 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:23:22,506 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:23:22,506 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:23:22,507 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:23:22,508 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:23:22,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:23:22,511 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_253733c9-3b1f-41a4-a8e6-a9114352f2cd/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:23:22,563 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:23:22,563 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:23:22,564 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:23:22,564 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:23:22,565 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:23:22,565 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:23:22,566 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:23:22,566 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:23:22,566 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:23:22,567 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:23:22,567 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:23:22,567 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:23:22,568 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:23:22,568 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:23:22,568 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:23:22,568 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:23:22,569 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:23:22,569 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:23:22,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:23:22,570 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:23:22,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:23:22,571 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:23:22,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:23:22,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:23:22,572 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:23:22,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:23:22,572 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:23:22,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:23:22,573 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:23:22,573 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:23:22,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:23:22,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:23:22,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:23:22,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:23:22,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:23:22,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:23:22,576 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:23:22,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:23:22,576 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:23:22,577 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:23:22,577 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:23:22,577 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_253733c9-3b1f-41a4-a8e6-a9114352f2cd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_253733c9-3b1f-41a4-a8e6-a9114352f2cd/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50277b719902a0a4cf598e31b0e94effb6529c58c9c4208972d6754269dc97f6 [2021-11-23 17:23:22,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:23:22,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:23:22,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:23:22,943 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:23:22,944 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:23:22,945 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_253733c9-3b1f-41a4-a8e6-a9114352f2cd/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c [2021-11-23 17:23:23,040 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_253733c9-3b1f-41a4-a8e6-a9114352f2cd/bin/utaipan-fb15Y9Yzbl/data/575d7548d/9e4924269ff949d9bc020579374ded57/FLAG99d12cc70 [2021-11-23 17:23:23,734 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:23:23,735 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_253733c9-3b1f-41a4-a8e6-a9114352f2cd/sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c [2021-11-23 17:23:23,774 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_253733c9-3b1f-41a4-a8e6-a9114352f2cd/bin/utaipan-fb15Y9Yzbl/data/575d7548d/9e4924269ff949d9bc020579374ded57/FLAG99d12cc70 [2021-11-23 17:23:24,006 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_253733c9-3b1f-41a4-a8e6-a9114352f2cd/bin/utaipan-fb15Y9Yzbl/data/575d7548d/9e4924269ff949d9bc020579374ded57 [2021-11-23 17:23:24,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:23:24,013 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:23:24,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:23:24,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:23:24,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:23:24,028 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:23:24" (1/1) ... [2021-11-23 17:23:24,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5693d89e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:24, skipping insertion in model container [2021-11-23 17:23:24,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:23:24" (1/1) ... [2021-11-23 17:23:24,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:23:24,105 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:23:24,481 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_253733c9-3b1f-41a4-a8e6-a9114352f2cd/sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c[17147,17160] [2021-11-23 17:23:24,485 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:23:24,496 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:23:24,583 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_253733c9-3b1f-41a4-a8e6-a9114352f2cd/sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c[17147,17160] [2021-11-23 17:23:24,584 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:23:24,606 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:23:24,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:24 WrapperNode [2021-11-23 17:23:24,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:23:24,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:23:24,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:23:24,609 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:23:24,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:24" (1/1) ... [2021-11-23 17:23:24,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:24" (1/1) ... [2021-11-23 17:23:24,676 INFO L137 Inliner]: procedures = 51, calls = 147, calls flagged for inlining = 19, calls inlined = 15, statements flattened = 191 [2021-11-23 17:23:24,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:23:24,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:23:24,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:23:24,678 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:23:24,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:24" (1/1) ... [2021-11-23 17:23:24,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:24" (1/1) ... [2021-11-23 17:23:24,697 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:24" (1/1) ... [2021-11-23 17:23:24,697 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:24" (1/1) ... [2021-11-23 17:23:24,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:24" (1/1) ... [2021-11-23 17:23:24,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:24" (1/1) ... [2021-11-23 17:23:24,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:24" (1/1) ... [2021-11-23 17:23:24,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:23:24,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:23:24,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:23:24,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:23:24,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:24" (1/1) ... [2021-11-23 17:23:24,759 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:23:24,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_253733c9-3b1f-41a4-a8e6-a9114352f2cd/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:23:24,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_253733c9-3b1f-41a4-a8e6-a9114352f2cd/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:23:24,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_253733c9-3b1f-41a4-a8e6-a9114352f2cd/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:23:24,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:23:24,862 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 17:23:24,863 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 17:23:24,863 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 17:23:24,863 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 17:23:24,863 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 17:23:24,864 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 17:23:24,864 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-11-23 17:23:24,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-11-23 17:23:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:23:24,866 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 17:23:24,866 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 17:23:24,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:23:24,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:23:25,012 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:23:25,027 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:23:25,494 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:23:25,558 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 17:23:25,564 INFO L158 Benchmark]: Toolchain (without parser) took 1549.45ms. Allocated memory is still 123.7MB. Free memory was 90.1MB in the beginning and 72.0MB in the end (delta: 18.1MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2021-11-23 17:23:25,566 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 86.0MB. Free memory was 42.2MB in the beginning and 42.1MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:23:25,567 INFO L158 Benchmark]: CACSL2BoogieTranslator took 586.50ms. Allocated memory is still 123.7MB. Free memory was 89.9MB in the beginning and 92.1MB in the end (delta: -2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 17:23:25,568 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.86ms. Allocated memory is still 123.7MB. Free memory was 92.1MB in the beginning and 90.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:23:25,569 INFO L158 Benchmark]: Boogie Preprocessor took 67.61ms. Allocated memory is still 123.7MB. Free memory was 90.0MB in the beginning and 88.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:23:25,570 INFO L158 Benchmark]: RCFGBuilder took 816.36ms. Allocated memory is still 123.7MB. Free memory was 88.4MB in the beginning and 72.0MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 17:23:25,576 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 86.0MB. Free memory was 42.2MB in the beginning and 42.1MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 586.50ms. Allocated memory is still 123.7MB. Free memory was 89.9MB in the beginning and 92.1MB in the end (delta: -2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.86ms. Allocated memory is still 123.7MB. Free memory was 92.1MB in the beginning and 90.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.61ms. Allocated memory is still 123.7MB. Free memory was 90.0MB in the beginning and 88.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 816.36ms. Allocated memory is still 123.7MB. Free memory was 88.4MB in the beginning and 72.0MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. 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 17:23:25,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_253733c9-3b1f-41a4-a8e6-a9114352f2cd/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_253733c9-3b1f-41a4-a8e6-a9114352f2cd/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_253733c9-3b1f-41a4-a8e6-a9114352f2cd/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_253733c9-3b1f-41a4-a8e6-a9114352f2cd/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_253733c9-3b1f-41a4-a8e6-a9114352f2cd/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_253733c9-3b1f-41a4-a8e6-a9114352f2cd/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_253733c9-3b1f-41a4-a8e6-a9114352f2cd/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 50277b719902a0a4cf598e31b0e94effb6529c58c9c4208972d6754269dc97f6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:23:28,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:23:28,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:23:28,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:23:28,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:23:28,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:23:28,705 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:23:28,711 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:23:28,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:23:28,725 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:23:28,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:23:28,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:23:28,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:23:28,733 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:23:28,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:23:28,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:23:28,745 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:23:28,746 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:23:28,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:23:28,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:23:28,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:23:28,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:23:28,765 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:23:28,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:23:28,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:23:28,772 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:23:28,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:23:28,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:23:28,775 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:23:28,776 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:23:28,777 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:23:28,778 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:23:28,788 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:23:28,790 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:23:28,792 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:23:28,792 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:23:28,793 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:23:28,794 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:23:28,794 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:23:28,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:23:28,797 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:23:28,808 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_253733c9-3b1f-41a4-a8e6-a9114352f2cd/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:23:28,862 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:23:28,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:23:28,863 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:23:28,863 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:23:28,865 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:23:28,865 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:23:28,865 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:23:28,866 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:23:28,866 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:23:28,866 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:23:28,868 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:23:28,868 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:23:28,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:23:28,870 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:23:28,871 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:23:28,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:23:28,871 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:23:28,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:23:28,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:23:28,872 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:23:28,872 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:23:28,873 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:23:28,873 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:23:28,873 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:23:28,873 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:23:28,874 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:23:28,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:23:28,874 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:23:28,875 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:23:28,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:23:28,875 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:23:28,876 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:23:28,877 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:23:28,877 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:23:28,877 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:23:28,877 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:23:28,878 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:23:28,878 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:23:28,879 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_253733c9-3b1f-41a4-a8e6-a9114352f2cd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_253733c9-3b1f-41a4-a8e6-a9114352f2cd/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50277b719902a0a4cf598e31b0e94effb6529c58c9c4208972d6754269dc97f6 [2021-11-23 17:23:29,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:23:29,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:23:29,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:23:29,445 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:23:29,450 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:23:29,451 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_253733c9-3b1f-41a4-a8e6-a9114352f2cd/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c [2021-11-23 17:23:29,549 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_253733c9-3b1f-41a4-a8e6-a9114352f2cd/bin/utaipan-fb15Y9Yzbl/data/71c1e003c/1e3c5b84743a40199e01210abbbb41bd/FLAG830d346db [2021-11-23 17:23:30,300 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:23:30,309 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_253733c9-3b1f-41a4-a8e6-a9114352f2cd/sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c [2021-11-23 17:23:30,331 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_253733c9-3b1f-41a4-a8e6-a9114352f2cd/bin/utaipan-fb15Y9Yzbl/data/71c1e003c/1e3c5b84743a40199e01210abbbb41bd/FLAG830d346db [2021-11-23 17:23:30,556 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_253733c9-3b1f-41a4-a8e6-a9114352f2cd/bin/utaipan-fb15Y9Yzbl/data/71c1e003c/1e3c5b84743a40199e01210abbbb41bd [2021-11-23 17:23:30,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:23:30,562 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:23:30,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:23:30,582 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:23:30,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:23:30,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:23:30" (1/1) ... [2021-11-23 17:23:30,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eea0216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:30, skipping insertion in model container [2021-11-23 17:23:30,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:23:30" (1/1) ... [2021-11-23 17:23:30,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:23:30,647 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:23:31,022 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_253733c9-3b1f-41a4-a8e6-a9114352f2cd/sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c[17147,17160] [2021-11-23 17:23:31,025 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:23:31,041 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:23:31,053 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:23:31,141 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_253733c9-3b1f-41a4-a8e6-a9114352f2cd/sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c[17147,17160] [2021-11-23 17:23:31,143 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:23:31,157 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:23:31,287 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_253733c9-3b1f-41a4-a8e6-a9114352f2cd/sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c[17147,17160] [2021-11-23 17:23:31,288 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:23:31,313 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:23:31,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:31 WrapperNode [2021-11-23 17:23:31,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:23:31,316 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:23:31,316 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:23:31,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:23:31,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:31" (1/1) ... [2021-11-23 17:23:31,370 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:31" (1/1) ... [2021-11-23 17:23:31,437 INFO L137 Inliner]: procedures = 53, calls = 147, calls flagged for inlining = 19, calls inlined = 15, statements flattened = 183 [2021-11-23 17:23:31,438 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:23:31,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:23:31,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:23:31,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:23:31,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:31" (1/1) ... [2021-11-23 17:23:31,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:31" (1/1) ... [2021-11-23 17:23:31,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:31" (1/1) ... [2021-11-23 17:23:31,463 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:31" (1/1) ... [2021-11-23 17:23:31,484 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:31" (1/1) ... [2021-11-23 17:23:31,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:31" (1/1) ... [2021-11-23 17:23:31,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:31" (1/1) ... [2021-11-23 17:23:31,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:23:31,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:23:31,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:23:31,518 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:23:31,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:31" (1/1) ... [2021-11-23 17:23:31,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:23:31,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_253733c9-3b1f-41a4-a8e6-a9114352f2cd/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:23:31,555 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_253733c9-3b1f-41a4-a8e6-a9114352f2cd/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:23:31,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_253733c9-3b1f-41a4-a8e6-a9114352f2cd/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:23:31,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:23:31,615 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 17:23:31,616 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 17:23:31,616 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 17:23:31,616 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 17:23:31,616 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 17:23:31,616 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 17:23:31,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:23:31,617 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-11-23 17:23:31,617 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-11-23 17:23:31,617 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 17:23:31,618 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 17:23:31,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:23:31,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:23:31,725 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:23:31,727 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:23:32,109 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:23:32,119 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:23:32,119 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 17:23:32,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:23:32 BoogieIcfgContainer [2021-11-23 17:23:32,122 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:23:32,124 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:23:32,125 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:23:32,128 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:23:32,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:23:30" (1/3) ... [2021-11-23 17:23:32,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ffd42c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:23:32, skipping insertion in model container [2021-11-23 17:23:32,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:31" (2/3) ... [2021-11-23 17:23:32,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ffd42c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:23:32, skipping insertion in model container [2021-11-23 17:23:32,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:23:32" (3/3) ... [2021-11-23 17:23:32,132 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product01.cil.c [2021-11-23 17:23:32,143 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:23:32,143 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:23:32,236 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:23:32,250 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 17:23:32,251 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:23:32,289 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 57 states have internal predecessors, (73), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-23 17:23:32,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 17:23:32,298 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:23:32,299 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 17:23:32,300 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:23:32,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:23:32,308 INFO L85 PathProgramCache]: Analyzing trace with hash -444733693, now seen corresponding path program 1 times [2021-11-23 17:23:32,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:23:32,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1613004358] [2021-11-23 17:23:32,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:23:32,329 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:23:32,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_253733c9-3b1f-41a4-a8e6-a9114352f2cd/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:23:32,337 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_253733c9-3b1f-41a4-a8e6-a9114352f2cd/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:23:32,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_253733c9-3b1f-41a4-a8e6-a9114352f2cd/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:23:32,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_253733c9-3b1f-41a4-a8e6-a9114352f2cd/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:23:32,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_253733c9-3b1f-41a4-a8e6-a9114352f2cd/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:23:32,629 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 17:23:32,639 INFO L158 Benchmark]: Toolchain (without parser) took 2075.39ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 35.7MB in the beginning and 47.2MB in the end (delta: -11.5MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. [2021-11-23 17:23:32,640 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 58.7MB. Free memory was 38.9MB in the beginning and 38.8MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:23:32,642 INFO L158 Benchmark]: CACSL2BoogieTranslator took 732.77ms. Allocated memory is still 58.7MB. Free memory was 35.5MB in the beginning and 27.2MB in the end (delta: 8.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 17:23:32,643 INFO L158 Benchmark]: Boogie Procedure Inliner took 123.27ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 27.0MB in the beginning and 53.4MB in the end (delta: -26.4MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2021-11-23 17:23:32,645 INFO L158 Benchmark]: Boogie Preprocessor took 75.98ms. Allocated memory is still 71.3MB. Free memory was 53.4MB in the beginning and 52.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:23:32,652 INFO L158 Benchmark]: RCFGBuilder took 605.34ms. Allocated memory is still 71.3MB. Free memory was 52.0MB in the beginning and 37.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 17:23:32,653 INFO L158 Benchmark]: TraceAbstraction took 511.53ms. Allocated memory is still 71.3MB. Free memory was 37.0MB in the beginning and 47.2MB in the end (delta: -10.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:23:32,661 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 58.7MB. Free memory was 38.9MB in the beginning and 38.8MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 732.77ms. Allocated memory is still 58.7MB. Free memory was 35.5MB in the beginning and 27.2MB in the end (delta: 8.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 123.27ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 27.0MB in the beginning and 53.4MB in the end (delta: -26.4MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.98ms. Allocated memory is still 71.3MB. Free memory was 53.4MB in the beginning and 52.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 605.34ms. Allocated memory is still 71.3MB. Free memory was 52.0MB in the beginning and 37.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 511.53ms. Allocated memory is still 71.3MB. Free memory was 37.0MB in the beginning and 47.2MB in the end (delta: -10.2MB). There was no memory consumed. 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 17:23:32,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_253733c9-3b1f-41a4-a8e6-a9114352f2cd/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