./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-lit/fkp2013_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_56bc17da-0b09-436f-8d3c-2e4f154ddc2b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_56bc17da-0b09-436f-8d3c-2e4f154ddc2b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_56bc17da-0b09-436f-8d3c-2e4f154ddc2b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_56bc17da-0b09-436f-8d3c-2e4f154ddc2b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-lit/fkp2013_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_56bc17da-0b09-436f-8d3c-2e4f154ddc2b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_56bc17da-0b09-436f-8d3c-2e4f154ddc2b/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 6ebb851e775ea53b2f876e394322091dcbb6c098 ................................................................................................................................................................................................................................................. 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_56bc17da-0b09-436f-8d3c-2e4f154ddc2b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_56bc17da-0b09-436f-8d3c-2e4f154ddc2b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_56bc17da-0b09-436f-8d3c-2e4f154ddc2b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_56bc17da-0b09-436f-8d3c-2e4f154ddc2b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-lit/fkp2013_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_56bc17da-0b09-436f-8d3c-2e4f154ddc2b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_56bc17da-0b09-436f-8d3c-2e4f154ddc2b/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 6ebb851e775ea53b2f876e394322091dcbb6c098 ........................................................................................................................................................................................................................................................ 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 0.1.23-635dfa2 [2018-12-02 18:33:26,776 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 18:33:26,777 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 18:33:26,784 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 18:33:26,785 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 18:33:26,785 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 18:33:26,786 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 18:33:26,787 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 18:33:26,787 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 18:33:26,788 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 18:33:26,788 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 18:33:26,788 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 18:33:26,789 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 18:33:26,789 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 18:33:26,790 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 18:33:26,790 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 18:33:26,791 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 18:33:26,792 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 18:33:26,793 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 18:33:26,793 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 18:33:26,794 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 18:33:26,795 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 18:33:26,797 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 18:33:26,797 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 18:33:26,797 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 18:33:26,797 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 18:33:26,798 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 18:33:26,798 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 18:33:26,799 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 18:33:26,799 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 18:33:26,799 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 18:33:26,800 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 18:33:26,800 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 18:33:26,800 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 18:33:26,800 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 18:33:26,801 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 18:33:26,801 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_56bc17da-0b09-436f-8d3c-2e4f154ddc2b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 18:33:26,810 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 18:33:26,810 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 18:33:26,811 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 18:33:26,811 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 18:33:26,811 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 18:33:26,812 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 18:33:26,812 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 18:33:26,812 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 18:33:26,812 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 18:33:26,812 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 18:33:26,812 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 18:33:26,812 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 18:33:26,813 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 18:33:26,813 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 18:33:26,813 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 18:33:26,814 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 18:33:26,814 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 18:33:26,814 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 18:33:26,814 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 18:33:26,814 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 18:33:26,814 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 18:33:26,814 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 18:33:26,815 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 18:33:26,815 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 18:33:26,815 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 18:33:26,815 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 18:33:26,815 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 18:33:26,815 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 18:33:26,816 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 18:33:26,816 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 18:33:26,816 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 18:33:26,816 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 18:33:26,816 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 18:33:26,816 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 18:33:26,816 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 18:33:26,817 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 18:33:26,817 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_56bc17da-0b09-436f-8d3c-2e4f154ddc2b/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 -> 6ebb851e775ea53b2f876e394322091dcbb6c098 [2018-12-02 18:33:26,840 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 18:33:26,847 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 18:33:26,849 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 18:33:26,850 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 18:33:26,850 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 18:33:26,851 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_56bc17da-0b09-436f-8d3c-2e4f154ddc2b/bin-2019/utaipan/../../sv-benchmarks/c/pthread-lit/fkp2013_false-unreach-call.i [2018-12-02 18:33:26,886 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_56bc17da-0b09-436f-8d3c-2e4f154ddc2b/bin-2019/utaipan/data/a09060e45/1bb3667b08334838a77498225af44150/FLAGaa2cda60f [2018-12-02 18:33:27,297 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 18:33:27,298 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_56bc17da-0b09-436f-8d3c-2e4f154ddc2b/sv-benchmarks/c/pthread-lit/fkp2013_false-unreach-call.i [2018-12-02 18:33:27,304 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_56bc17da-0b09-436f-8d3c-2e4f154ddc2b/bin-2019/utaipan/data/a09060e45/1bb3667b08334838a77498225af44150/FLAGaa2cda60f [2018-12-02 18:33:27,313 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_56bc17da-0b09-436f-8d3c-2e4f154ddc2b/bin-2019/utaipan/data/a09060e45/1bb3667b08334838a77498225af44150 [2018-12-02 18:33:27,315 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 18:33:27,316 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 18:33:27,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 18:33:27,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 18:33:27,319 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 18:33:27,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:33:27" (1/1) ... [2018-12-02 18:33:27,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ac4e85d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:27, skipping insertion in model container [2018-12-02 18:33:27,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:33:27" (1/1) ... [2018-12-02 18:33:27,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 18:33:27,344 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 18:33:27,501 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:33:27,538 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 18:33:27,564 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:33:27,603 INFO L195 MainTranslator]: Completed translation [2018-12-02 18:33:27,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:27 WrapperNode [2018-12-02 18:33:27,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 18:33:27,604 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 18:33:27,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 18:33:27,604 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 18:33:27,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:27" (1/1) ... [2018-12-02 18:33:27,616 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:27" (1/1) ... [2018-12-02 18:33:27,627 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 18:33:27,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 18:33:27,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 18:33:27,628 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 18:33:27,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:27" (1/1) ... [2018-12-02 18:33:27,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:27" (1/1) ... [2018-12-02 18:33:27,634 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:27" (1/1) ... [2018-12-02 18:33:27,634 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:27" (1/1) ... [2018-12-02 18:33:27,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:27" (1/1) ... [2018-12-02 18:33:27,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:27" (1/1) ... [2018-12-02 18:33:27,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:27" (1/1) ... [2018-12-02 18:33:27,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 18:33:27,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 18:33:27,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 18:33:27,641 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 18:33:27,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_56bc17da-0b09-436f-8d3c-2e4f154ddc2b/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 [2018-12-02 18:33:27,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 18:33:27,691 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-12-02 18:33:27,691 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-12-02 18:33:27,691 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-02 18:33:27,691 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-02 18:33:27,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 18:33:27,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 18:33:27,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 18:33:27,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 18:33:27,692 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-02 18:33:27,861 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 18:33:27,861 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 18:33:27,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:33:27 BoogieIcfgContainer [2018-12-02 18:33:27,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 18:33:27,862 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 18:33:27,862 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 18:33:27,864 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 18:33:27,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:33:27" (1/3) ... [2018-12-02 18:33:27,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@176061c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:33:27, skipping insertion in model container [2018-12-02 18:33:27,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:27" (2/3) ... [2018-12-02 18:33:27,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@176061c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:33:27, skipping insertion in model container [2018-12-02 18:33:27,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:33:27" (3/3) ... [2018-12-02 18:33:27,866 INFO L112 eAbstractionObserver]: Analyzing ICFG fkp2013_false-unreach-call.i [2018-12-02 18:33:27,887 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:27,888 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:27,888 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:27,888 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:27,888 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:27,888 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:27,888 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:27,888 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:27,889 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:27,889 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:27,889 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:27,889 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:27,889 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:27,889 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:27,889 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:27,890 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:27,890 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:27,890 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:27,890 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:27,890 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:27,890 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:27,900 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-02 18:33:27,901 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 18:33:27,905 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-12-02 18:33:27,914 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-12-02 18:33:27,928 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 18:33:27,928 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 18:33:27,928 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 18:33:27,928 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 18:33:27,928 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 18:33:27,928 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 18:33:27,928 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 18:33:27,928 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 18:33:27,933 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 48places, 48 transitions [2018-12-02 18:33:27,946 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) [2018-12-02 18:33:27,948 INFO L168 Benchmark]: Toolchain (without parser) took 632.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 947.2 MB in the beginning and 1.1 GB in the end (delta: -109.4 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. [2018-12-02 18:33:27,949 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:33:27,949 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 947.2 MB in the beginning and 1.1 GB in the end (delta: -147.4 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. [2018-12-02 18:33:27,950 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 18:33:27,950 INFO L168 Benchmark]: Boogie Preprocessor took 13.18 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:33:27,950 INFO L168 Benchmark]: RCFGBuilder took 220.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2018-12-02 18:33:27,951 INFO L168 Benchmark]: TraceAbstraction took 85.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-02 18:33:27,953 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 976.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 286.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 947.2 MB in the beginning and 1.1 GB in the end (delta: -147.4 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.18 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 220.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 85.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 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 0.1.23-635dfa2 [2018-12-02 18:33:29,258 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 18:33:29,259 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 18:33:29,268 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 18:33:29,268 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 18:33:29,269 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 18:33:29,270 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 18:33:29,271 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 18:33:29,272 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 18:33:29,273 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 18:33:29,274 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 18:33:29,274 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 18:33:29,275 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 18:33:29,275 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 18:33:29,276 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 18:33:29,277 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 18:33:29,277 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 18:33:29,279 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 18:33:29,280 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 18:33:29,281 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 18:33:29,282 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 18:33:29,283 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 18:33:29,285 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 18:33:29,285 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 18:33:29,285 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 18:33:29,286 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 18:33:29,286 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 18:33:29,287 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 18:33:29,288 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 18:33:29,288 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 18:33:29,289 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 18:33:29,289 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 18:33:29,289 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 18:33:29,289 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 18:33:29,290 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 18:33:29,291 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 18:33:29,291 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_56bc17da-0b09-436f-8d3c-2e4f154ddc2b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-02 18:33:29,302 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 18:33:29,302 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 18:33:29,303 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 18:33:29,303 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 18:33:29,303 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 18:33:29,303 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 18:33:29,303 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 18:33:29,303 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 18:33:29,304 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 18:33:29,304 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 18:33:29,304 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 18:33:29,304 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 18:33:29,304 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 18:33:29,305 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 18:33:29,305 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 18:33:29,305 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 18:33:29,305 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 18:33:29,305 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 18:33:29,305 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 18:33:29,305 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 18:33:29,306 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 18:33:29,306 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 18:33:29,306 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 18:33:29,306 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 18:33:29,306 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 18:33:29,306 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 18:33:29,306 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 18:33:29,306 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 18:33:29,307 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 18:33:29,307 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 18:33:29,307 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 18:33:29,307 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 18:33:29,307 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 18:33:29,307 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 18:33:29,307 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 18:33:29,307 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_56bc17da-0b09-436f-8d3c-2e4f154ddc2b/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 -> 6ebb851e775ea53b2f876e394322091dcbb6c098 [2018-12-02 18:33:29,332 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 18:33:29,341 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 18:33:29,343 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 18:33:29,345 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 18:33:29,345 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 18:33:29,346 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_56bc17da-0b09-436f-8d3c-2e4f154ddc2b/bin-2019/utaipan/../../sv-benchmarks/c/pthread-lit/fkp2013_false-unreach-call.i [2018-12-02 18:33:29,390 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_56bc17da-0b09-436f-8d3c-2e4f154ddc2b/bin-2019/utaipan/data/d5986ae8d/25c0e3f9fef1454cb9cfc96f25afa3c3/FLAG59dddc825 [2018-12-02 18:33:29,783 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 18:33:29,784 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_56bc17da-0b09-436f-8d3c-2e4f154ddc2b/sv-benchmarks/c/pthread-lit/fkp2013_false-unreach-call.i [2018-12-02 18:33:29,790 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_56bc17da-0b09-436f-8d3c-2e4f154ddc2b/bin-2019/utaipan/data/d5986ae8d/25c0e3f9fef1454cb9cfc96f25afa3c3/FLAG59dddc825 [2018-12-02 18:33:30,150 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_56bc17da-0b09-436f-8d3c-2e4f154ddc2b/bin-2019/utaipan/data/d5986ae8d/25c0e3f9fef1454cb9cfc96f25afa3c3 [2018-12-02 18:33:30,154 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 18:33:30,156 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 18:33:30,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 18:33:30,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 18:33:30,163 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 18:33:30,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:33:30" (1/1) ... [2018-12-02 18:33:30,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5554d819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:30, skipping insertion in model container [2018-12-02 18:33:30,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:33:30" (1/1) ... [2018-12-02 18:33:30,169 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 18:33:30,188 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 18:33:30,347 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:33:30,356 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 18:33:30,383 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:33:30,449 INFO L195 MainTranslator]: Completed translation [2018-12-02 18:33:30,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:30 WrapperNode [2018-12-02 18:33:30,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 18:33:30,450 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 18:33:30,450 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 18:33:30,450 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 18:33:30,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:30" (1/1) ... [2018-12-02 18:33:30,466 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:30" (1/1) ... [2018-12-02 18:33:30,478 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 18:33:30,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 18:33:30,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 18:33:30,479 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 18:33:30,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:30" (1/1) ... [2018-12-02 18:33:30,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:30" (1/1) ... [2018-12-02 18:33:30,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:30" (1/1) ... [2018-12-02 18:33:30,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:30" (1/1) ... [2018-12-02 18:33:30,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:30" (1/1) ... [2018-12-02 18:33:30,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:30" (1/1) ... [2018-12-02 18:33:30,495 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:30" (1/1) ... [2018-12-02 18:33:30,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 18:33:30,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 18:33:30,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 18:33:30,497 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 18:33:30,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_56bc17da-0b09-436f-8d3c-2e4f154ddc2b/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 [2018-12-02 18:33:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 18:33:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-12-02 18:33:30,528 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-12-02 18:33:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-02 18:33:30,528 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-02 18:33:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 18:33:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 18:33:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 18:33:30,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 18:33:30,529 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-02 18:33:30,672 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 18:33:30,672 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 18:33:30,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:33:30 BoogieIcfgContainer [2018-12-02 18:33:30,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 18:33:30,673 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 18:33:30,673 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 18:33:30,675 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 18:33:30,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:33:30" (1/3) ... [2018-12-02 18:33:30,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27a50c5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:33:30, skipping insertion in model container [2018-12-02 18:33:30,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:30" (2/3) ... [2018-12-02 18:33:30,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27a50c5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:33:30, skipping insertion in model container [2018-12-02 18:33:30,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:33:30" (3/3) ... [2018-12-02 18:33:30,677 INFO L112 eAbstractionObserver]: Analyzing ICFG fkp2013_false-unreach-call.i [2018-12-02 18:33:30,695 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:30,695 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:30,695 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:30,695 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:30,696 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:30,696 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:30,696 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:30,696 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:30,696 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:30,696 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:30,696 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:30,696 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:30,697 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:30,697 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:30,697 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:30,697 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:30,697 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:30,697 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:30,697 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:30,697 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:30,698 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:33:30,702 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-02 18:33:30,702 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 18:33:30,708 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-12-02 18:33:30,716 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-12-02 18:33:30,730 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 18:33:30,730 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 18:33:30,730 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 18:33:30,730 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 18:33:30,731 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 18:33:30,731 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 18:33:30,731 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 18:33:30,731 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 18:33:30,731 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 18:33:30,736 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 48places, 48 transitions [2018-12-02 18:33:30,748 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) [2018-12-02 18:33:30,749 INFO L168 Benchmark]: Toolchain (without parser) took 594.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 936.7 MB in the beginning and 1.1 GB in the end (delta: -144.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:33:30,750 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:33:30,751 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 936.7 MB in the beginning and 1.1 GB in the end (delta: -181.9 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. [2018-12-02 18:33:30,751 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.56 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-02 18:33:30,751 INFO L168 Benchmark]: Boogie Preprocessor took 18.30 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. [2018-12-02 18:33:30,752 INFO L168 Benchmark]: RCFGBuilder took 175.76 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: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2018-12-02 18:33:30,752 INFO L168 Benchmark]: TraceAbstraction took 75.78 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-02 18:33:30,754 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 291.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 936.7 MB in the beginning and 1.1 GB in the end (delta: -181.9 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.56 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.30 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 175.76 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: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 75.78 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: 6.6 MB). Peak memory consumption was 6.6 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...