./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-lit/fkp2013_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_73289623-8415-4d37-90cc-25d892633da9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_73289623-8415-4d37-90cc-25d892633da9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_73289623-8415-4d37-90cc-25d892633da9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_73289623-8415-4d37-90cc-25d892633da9/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-lit/fkp2013_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_73289623-8415-4d37-90cc-25d892633da9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_73289623-8415-4d37-90cc-25d892633da9/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0f2b5b3ca7dcade09f862500dce5b503b8376415 ..................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_73289623-8415-4d37-90cc-25d892633da9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_73289623-8415-4d37-90cc-25d892633da9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_73289623-8415-4d37-90cc-25d892633da9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_73289623-8415-4d37-90cc-25d892633da9/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-lit/fkp2013_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_73289623-8415-4d37-90cc-25d892633da9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_73289623-8415-4d37-90cc-25d892633da9/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0f2b5b3ca7dcade09f862500dce5b503b8376415 ....................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2 --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 13:57:18,537 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:57:18,538 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:57:18,546 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:57:18,547 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:57:18,547 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:57:18,548 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:57:18,549 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:57:18,550 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:57:18,551 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:57:18,551 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:57:18,552 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:57:18,552 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:57:18,553 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:57:18,554 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:57:18,554 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:57:18,555 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:57:18,556 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:57:18,557 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:57:18,558 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:57:18,559 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:57:18,559 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:57:18,561 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:57:18,561 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:57:18,561 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:57:18,562 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:57:18,563 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:57:18,563 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:57:18,564 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:57:18,564 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:57:18,565 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:57:18,565 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:57:18,565 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:57:18,565 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:57:18,566 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:57:18,566 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:57:18,567 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_73289623-8415-4d37-90cc-25d892633da9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 13:57:18,576 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:57:18,577 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:57:18,577 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:57:18,577 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:57:18,578 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 13:57:18,578 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 13:57:18,578 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 13:57:18,578 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 13:57:18,578 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 13:57:18,578 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 13:57:18,578 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 13:57:18,578 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 13:57:18,579 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 13:57:18,579 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:57:18,579 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:57:18,579 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:57:18,580 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:57:18,580 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:57:18,580 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:57:18,580 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:57:18,580 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:57:18,580 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:57:18,580 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:57:18,581 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:57:18,581 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:57:18,581 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:57:18,581 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:57:18,581 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:57:18,581 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:57:18,581 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:57:18,582 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:57:18,582 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:57:18,582 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:57:18,582 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 13:57:18,582 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:57:18,582 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 13:57:18,582 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 13:57:18,583 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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-vcloud-master/worker/working_dir_73289623-8415-4d37-90cc-25d892633da9/bin-2019/utaipan 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(__VERIFIER_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 -> 0f2b5b3ca7dcade09f862500dce5b503b8376415 [2018-11-23 13:57:18,605 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:57:18,614 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:57:18,616 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:57:18,617 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:57:18,618 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:57:18,618 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_73289623-8415-4d37-90cc-25d892633da9/bin-2019/utaipan/../../sv-benchmarks/c/pthread-lit/fkp2013_true-unreach-call.i [2018-11-23 13:57:18,663 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_73289623-8415-4d37-90cc-25d892633da9/bin-2019/utaipan/data/73372f46b/e31ecbf5818344e2981d53b1575078e6/FLAGdbc7ed787 [2018-11-23 13:57:19,042 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:57:19,043 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_73289623-8415-4d37-90cc-25d892633da9/sv-benchmarks/c/pthread-lit/fkp2013_true-unreach-call.i [2018-11-23 13:57:19,053 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_73289623-8415-4d37-90cc-25d892633da9/bin-2019/utaipan/data/73372f46b/e31ecbf5818344e2981d53b1575078e6/FLAGdbc7ed787 [2018-11-23 13:57:19,422 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_73289623-8415-4d37-90cc-25d892633da9/bin-2019/utaipan/data/73372f46b/e31ecbf5818344e2981d53b1575078e6 [2018-11-23 13:57:19,424 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:57:19,425 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:57:19,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:57:19,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:57:19,428 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:57:19,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:57:19" (1/1) ... [2018-11-23 13:57:19,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@97dd10c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:19, skipping insertion in model container [2018-11-23 13:57:19,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:57:19" (1/1) ... [2018-11-23 13:57:19,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:57:19,464 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:57:19,667 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:57:19,673 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:57:19,756 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:57:19,803 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:57:19,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:19 WrapperNode [2018-11-23 13:57:19,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:57:19,804 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:57:19,805 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:57:19,805 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:57:19,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:19" (1/1) ... [2018-11-23 13:57:19,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:19" (1/1) ... [2018-11-23 13:57:19,832 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:57:19,832 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:57:19,832 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:57:19,832 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:57:19,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:19" (1/1) ... [2018-11-23 13:57:19,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:19" (1/1) ... [2018-11-23 13:57:19,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:19" (1/1) ... [2018-11-23 13:57:19,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:19" (1/1) ... [2018-11-23 13:57:19,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:19" (1/1) ... [2018-11-23 13:57:19,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:19" (1/1) ... [2018-11-23 13:57:19,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:19" (1/1) ... [2018-11-23 13:57:19,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:57:19,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:57:19,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:57:19,849 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:57:19,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_73289623-8415-4d37-90cc-25d892633da9/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:57:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 13:57:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-11-23 13:57:19,882 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-11-23 13:57:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-23 13:57:19,882 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-23 13:57:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 13:57:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 13:57:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:57:19,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:57:19,883 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-23 13:57:20,033 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:57:20,033 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 13:57:20,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:57:20 BoogieIcfgContainer [2018-11-23 13:57:20,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:57:20,034 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 13:57:20,034 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 13:57:20,037 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 13:57:20,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:57:19" (1/3) ... [2018-11-23 13:57:20,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5270b390 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:57:20, skipping insertion in model container [2018-11-23 13:57:20,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:19" (2/3) ... [2018-11-23 13:57:20,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5270b390 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:57:20, skipping insertion in model container [2018-11-23 13:57:20,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:57:20" (3/3) ... [2018-11-23 13:57:20,040 INFO L112 eAbstractionObserver]: Analyzing ICFG fkp2013_true-unreach-call.i [2018-11-23 13:57:20,067 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:20,067 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:20,067 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:20,067 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:20,067 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:20,068 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:20,068 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:20,068 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:20,068 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:20,069 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:20,069 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:20,069 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:20,069 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:20,069 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:20,069 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:20,069 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:20,070 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:20,070 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:20,070 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:20,070 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:20,070 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:20,077 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-23 13:57:20,078 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 13:57:20,083 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-11-23 13:57:20,092 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-11-23 13:57:20,110 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 13:57:20,111 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 13:57:20,111 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 13:57:20,111 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:57:20,111 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:57:20,111 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 13:57:20,111 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:57:20,111 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 13:57:20,116 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 48places, 48 transitions [2018-11-23 13:57:20,131 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2 at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:132) 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:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-23 13:57:20,133 INFO L168 Benchmark]: Toolchain (without parser) took 708.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 198.7 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -193.6 MB). Peak memory consumption was 5.1 MB. Max. memory is 11.5 GB. [2018-11-23 13:57:20,134 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:57:20,134 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 198.7 MB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -227.2 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2018-11-23 13:57:20,135 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:57:20,135 INFO L168 Benchmark]: Boogie Preprocessor took 16.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 11.5 GB. [2018-11-23 13:57:20,136 INFO L168 Benchmark]: RCFGBuilder took 184.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-11-23 13:57:20,136 INFO L168 Benchmark]: TraceAbstraction took 98.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. [2018-11-23 13:57:20,138 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 378.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 198.7 MB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -227.2 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 184.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 98.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 13:57:21,575 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:57:21,576 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:57:21,583 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:57:21,583 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:57:21,584 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:57:21,585 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:57:21,586 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:57:21,587 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:57:21,588 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:57:21,588 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:57:21,588 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:57:21,589 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:57:21,590 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:57:21,590 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:57:21,591 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:57:21,592 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:57:21,593 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:57:21,594 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:57:21,595 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:57:21,596 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:57:21,597 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:57:21,598 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:57:21,599 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:57:21,599 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:57:21,599 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:57:21,600 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:57:21,601 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:57:21,601 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:57:21,602 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:57:21,602 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:57:21,603 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:57:21,603 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:57:21,603 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:57:21,603 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:57:21,604 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:57:21,604 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_73289623-8415-4d37-90cc-25d892633da9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-23 13:57:21,615 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:57:21,615 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:57:21,615 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:57:21,616 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:57:21,616 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 13:57:21,616 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 13:57:21,616 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 13:57:21,616 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 13:57:21,616 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 13:57:21,617 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 13:57:21,617 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:57:21,617 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:57:21,617 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:57:21,617 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:57:21,618 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:57:21,618 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:57:21,618 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:57:21,618 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 13:57:21,618 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 13:57:21,618 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:57:21,618 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:57:21,618 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:57:21,619 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:57:21,619 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:57:21,619 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:57:21,619 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:57:21,619 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:57:21,619 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:57:21,620 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:57:21,620 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:57:21,620 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:57:21,620 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 13:57:21,620 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:57:21,620 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 13:57:21,620 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 13:57:21,620 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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-vcloud-master/worker/working_dir_73289623-8415-4d37-90cc-25d892633da9/bin-2019/utaipan 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(__VERIFIER_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 -> 0f2b5b3ca7dcade09f862500dce5b503b8376415 [2018-11-23 13:57:21,647 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:57:21,656 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:57:21,658 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:57:21,658 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:57:21,659 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:57:21,659 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_73289623-8415-4d37-90cc-25d892633da9/bin-2019/utaipan/../../sv-benchmarks/c/pthread-lit/fkp2013_true-unreach-call.i [2018-11-23 13:57:21,694 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_73289623-8415-4d37-90cc-25d892633da9/bin-2019/utaipan/data/05808d7bf/5df6e46742f44332a128649a4922127e/FLAGd2461f51b [2018-11-23 13:57:22,027 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:57:22,028 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_73289623-8415-4d37-90cc-25d892633da9/sv-benchmarks/c/pthread-lit/fkp2013_true-unreach-call.i [2018-11-23 13:57:22,037 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_73289623-8415-4d37-90cc-25d892633da9/bin-2019/utaipan/data/05808d7bf/5df6e46742f44332a128649a4922127e/FLAGd2461f51b [2018-11-23 13:57:22,045 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_73289623-8415-4d37-90cc-25d892633da9/bin-2019/utaipan/data/05808d7bf/5df6e46742f44332a128649a4922127e [2018-11-23 13:57:22,047 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:57:22,047 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:57:22,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:57:22,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:57:22,051 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:57:22,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:57:22" (1/1) ... [2018-11-23 13:57:22,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ef5ccf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:22, skipping insertion in model container [2018-11-23 13:57:22,054 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:57:22" (1/1) ... [2018-11-23 13:57:22,059 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:57:22,087 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:57:22,305 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:57:22,313 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:57:22,344 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:57:22,380 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:57:22,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:22 WrapperNode [2018-11-23 13:57:22,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:57:22,381 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:57:22,381 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:57:22,382 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:57:22,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:22" (1/1) ... [2018-11-23 13:57:22,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:22" (1/1) ... [2018-11-23 13:57:22,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:57:22,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:57:22,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:57:22,453 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:57:22,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:22" (1/1) ... [2018-11-23 13:57:22,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:22" (1/1) ... [2018-11-23 13:57:22,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:22" (1/1) ... [2018-11-23 13:57:22,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:22" (1/1) ... [2018-11-23 13:57:22,466 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:22" (1/1) ... [2018-11-23 13:57:22,470 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:22" (1/1) ... [2018-11-23 13:57:22,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:22" (1/1) ... [2018-11-23 13:57:22,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:57:22,474 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:57:22,474 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:57:22,474 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:57:22,475 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_73289623-8415-4d37-90cc-25d892633da9/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:57:22,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 13:57:22,516 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-11-23 13:57:22,516 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-11-23 13:57:22,516 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-23 13:57:22,516 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-23 13:57:22,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 13:57:22,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 13:57:22,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:57:22,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:57:22,517 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-23 13:57:22,694 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:57:22,694 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 13:57:22,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:57:22 BoogieIcfgContainer [2018-11-23 13:57:22,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:57:22,695 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 13:57:22,695 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 13:57:22,697 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 13:57:22,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:57:22" (1/3) ... [2018-11-23 13:57:22,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8e7a22e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:57:22, skipping insertion in model container [2018-11-23 13:57:22,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:22" (2/3) ... [2018-11-23 13:57:22,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8e7a22e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:57:22, skipping insertion in model container [2018-11-23 13:57:22,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:57:22" (3/3) ... [2018-11-23 13:57:22,699 INFO L112 eAbstractionObserver]: Analyzing ICFG fkp2013_true-unreach-call.i [2018-11-23 13:57:22,721 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:22,721 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:22,722 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:22,722 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:22,722 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:22,722 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:22,722 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:22,722 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:22,722 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:22,723 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:22,723 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:22,723 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:22,723 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:22,723 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:22,723 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:22,723 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:22,723 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:22,723 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:22,724 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:22,724 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:22,724 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:57:22,729 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-23 13:57:22,729 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 13:57:22,734 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-11-23 13:57:22,743 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-11-23 13:57:22,757 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 13:57:22,757 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 13:57:22,757 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 13:57:22,758 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 13:57:22,758 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:57:22,758 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:57:22,758 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 13:57:22,758 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:57:22,758 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 13:57:22,763 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 48places, 48 transitions [2018-11-23 13:57:22,779 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2 at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:132) 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:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-23 13:57:22,782 INFO L168 Benchmark]: Toolchain (without parser) took 734.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -147.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:57:22,783 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:57:22,783 INFO L168 Benchmark]: CACSL2BoogieTranslator took 332.68 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 912.2 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-23 13:57:22,784 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 912.2 MB in the beginning and 1.1 GB in the end (delta: -217.9 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. [2018-11-23 13:57:22,784 INFO L168 Benchmark]: Boogie Preprocessor took 21.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:57:22,785 INFO L168 Benchmark]: RCFGBuilder took 219.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-23 13:57:22,785 INFO L168 Benchmark]: TraceAbstraction took 86.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-23 13:57:22,788 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 332.68 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 912.2 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 912.2 MB in the beginning and 1.1 GB in the end (delta: -217.9 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 219.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 86.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...