./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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5d91f630-24c9-46a7-aa7a-f0fe36a9d945/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5d91f630-24c9-46a7-aa7a-f0fe36a9d945/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5d91f630-24c9-46a7-aa7a-f0fe36a9d945/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5d91f630-24c9-46a7-aa7a-f0fe36a9d945/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_5d91f630-24c9-46a7-aa7a-f0fe36a9d945/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5d91f630-24c9-46a7-aa7a-f0fe36a9d945/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_5d91f630-24c9-46a7-aa7a-f0fe36a9d945/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5d91f630-24c9-46a7-aa7a-f0fe36a9d945/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5d91f630-24c9-46a7-aa7a-f0fe36a9d945/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5d91f630-24c9-46a7-aa7a-f0fe36a9d945/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_5d91f630-24c9-46a7-aa7a-f0fe36a9d945/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5d91f630-24c9-46a7-aa7a-f0fe36a9d945/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 0.1.23-635dfa2 [2018-12-09 19:29:31,796 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:29:31,797 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:29:31,803 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:29:31,803 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:29:31,804 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:29:31,804 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:29:31,805 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:29:31,806 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:29:31,807 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:29:31,807 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:29:31,807 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:29:31,808 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:29:31,808 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:29:31,809 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:29:31,809 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:29:31,810 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:29:31,811 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:29:31,812 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:29:31,813 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:29:31,813 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:29:31,814 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:29:31,815 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:29:31,815 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:29:31,815 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:29:31,816 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:29:31,816 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:29:31,817 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:29:31,817 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:29:31,817 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:29:31,818 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:29:31,818 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:29:31,818 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:29:31,818 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:29:31,819 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:29:31,819 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:29:31,819 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5d91f630-24c9-46a7-aa7a-f0fe36a9d945/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 19:29:31,826 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:29:31,827 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:29:31,827 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:29:31,827 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:29:31,827 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:29:31,827 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:29:31,827 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:29:31,827 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 19:29:31,828 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:29:31,828 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:29:31,828 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 19:29:31,828 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 19:29:31,828 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:29:31,828 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:29:31,828 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:29:31,828 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:29:31,829 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:29:31,829 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:29:31,829 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:29:31,829 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:29:31,829 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:29:31,829 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:29:31,829 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:29:31,829 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:29:31,829 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:29:31,829 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:29:31,829 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:29:31,830 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:29:31,830 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:29:31,830 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:29:31,830 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:29:31,830 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:29:31,830 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 19:29:31,830 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:29:31,830 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:29:31,830 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 19:29:31,830 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_5d91f630-24c9-46a7-aa7a-f0fe36a9d945/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 [2018-12-09 19:29:31,847 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:29:31,854 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:29:31,856 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:29:31,856 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:29:31,857 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:29:31,857 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5d91f630-24c9-46a7-aa7a-f0fe36a9d945/bin-2019/utaipan/../../sv-benchmarks/c/pthread-lit/fkp2013_true-unreach-call.i [2018-12-09 19:29:31,891 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5d91f630-24c9-46a7-aa7a-f0fe36a9d945/bin-2019/utaipan/data/594cfdbbb/a5beb3697e6c49828f0a0216545d74cb/FLAG7cbf80a04 [2018-12-09 19:29:32,344 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:29:32,345 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5d91f630-24c9-46a7-aa7a-f0fe36a9d945/sv-benchmarks/c/pthread-lit/fkp2013_true-unreach-call.i [2018-12-09 19:29:32,352 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5d91f630-24c9-46a7-aa7a-f0fe36a9d945/bin-2019/utaipan/data/594cfdbbb/a5beb3697e6c49828f0a0216545d74cb/FLAG7cbf80a04 [2018-12-09 19:29:32,363 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5d91f630-24c9-46a7-aa7a-f0fe36a9d945/bin-2019/utaipan/data/594cfdbbb/a5beb3697e6c49828f0a0216545d74cb [2018-12-09 19:29:32,365 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:29:32,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:29:32,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:29:32,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:29:32,370 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:29:32,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:29:32" (1/1) ... [2018-12-09 19:29:32,373 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 09.12 07:29:32, skipping insertion in model container [2018-12-09 19:29:32,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:29:32" (1/1) ... [2018-12-09 19:29:32,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:29:32,400 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:29:32,553 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:29:32,559 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:29:32,621 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:29:32,661 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:29:32,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:32 WrapperNode [2018-12-09 19:29:32,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:29:32,662 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:29:32,662 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:29:32,662 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:29:32,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:32" (1/1) ... [2018-12-09 19:29:32,676 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:32" (1/1) ... [2018-12-09 19:29:32,688 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:29:32,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:29:32,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:29:32,689 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:29:32,694 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:32" (1/1) ... [2018-12-09 19:29:32,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:32" (1/1) ... [2018-12-09 19:29:32,695 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:32" (1/1) ... [2018-12-09 19:29:32,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:32" (1/1) ... [2018-12-09 19:29:32,698 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:32" (1/1) ... [2018-12-09 19:29:32,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:32" (1/1) ... [2018-12-09 19:29:32,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:32" (1/1) ... [2018-12-09 19:29:32,703 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:29:32,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:29:32,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:29:32,703 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:29:32,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5d91f630-24c9-46a7-aa7a-f0fe36a9d945/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 [2018-12-09 19:29:32,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 19:29:32,734 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-12-09 19:29:32,734 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-12-09 19:29:32,734 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-09 19:29:32,734 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-09 19:29:32,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 19:29:32,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 19:29:32,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:29:32,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:29:32,735 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-09 19:29:32,870 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:29:32,870 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 19:29:32,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:29:32 BoogieIcfgContainer [2018-12-09 19:29:32,870 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:29:32,871 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 19:29:32,871 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 19:29:32,874 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 19:29:32,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:29:32" (1/3) ... [2018-12-09 19:29:32,875 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 09.12 07:29:32, skipping insertion in model container [2018-12-09 19:29:32,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:32" (2/3) ... [2018-12-09 19:29:32,875 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 09.12 07:29:32, skipping insertion in model container [2018-12-09 19:29:32,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:29:32" (3/3) ... [2018-12-09 19:29:32,876 INFO L112 eAbstractionObserver]: Analyzing ICFG fkp2013_true-unreach-call.i [2018-12-09 19:29:32,900 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:32,900 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:32,900 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:32,900 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:32,901 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:32,901 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:32,901 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:32,901 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:32,901 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:32,902 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:32,902 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:32,902 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:32,902 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:32,902 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:32,903 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:32,903 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:32,903 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:32,903 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:32,903 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:32,904 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:32,904 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:32,910 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-09 19:29:32,910 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 19:29:32,915 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-12-09 19:29:32,925 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-12-09 19:29:32,940 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 19:29:32,940 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 19:29:32,941 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 19:29:32,941 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 19:29:32,941 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 19:29:32,941 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 19:29:32,941 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 19:29:32,941 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 19:29:32,949 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 48places, 48 transitions [2018-12-09 19:29:32,966 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) [2018-12-09 19:29:32,968 INFO L168 Benchmark]: Toolchain (without parser) took 602.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -131.6 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2018-12-09 19:29:32,969 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 981.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:29:32,969 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -173.9 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. [2018-12-09 19:29:32,970 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.08 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-09 19:29:32,970 INFO L168 Benchmark]: Boogie Preprocessor took 14.29 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. [2018-12-09 19:29:32,971 INFO L168 Benchmark]: RCFGBuilder took 167.71 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: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2018-12-09 19:29:32,971 INFO L168 Benchmark]: TraceAbstraction took 96.46 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: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-12-09 19:29:32,974 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 981.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 294.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -173.9 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.08 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.29 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 167.71 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: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 96.46 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: 17.2 MB). Peak memory consumption was 17.2 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 [2018-12-09 19:29:34,314 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:29:34,315 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:29:34,321 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:29:34,322 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:29:34,322 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:29:34,323 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:29:34,323 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:29:34,324 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:29:34,325 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:29:34,325 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:29:34,325 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:29:34,326 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:29:34,326 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:29:34,327 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:29:34,327 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:29:34,327 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:29:34,328 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:29:34,329 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:29:34,330 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:29:34,330 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:29:34,331 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:29:34,332 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:29:34,332 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:29:34,332 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:29:34,333 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:29:34,333 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:29:34,333 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:29:34,334 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:29:34,334 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:29:34,334 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:29:34,335 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:29:34,335 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:29:34,335 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:29:34,335 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:29:34,336 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:29:34,336 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5d91f630-24c9-46a7-aa7a-f0fe36a9d945/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 19:29:34,343 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:29:34,343 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:29:34,344 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:29:34,344 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:29:34,344 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:29:34,344 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:29:34,344 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:29:34,344 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:29:34,344 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:29:34,344 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:29:34,345 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:29:34,345 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:29:34,345 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:29:34,345 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:29:34,345 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:29:34,345 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:29:34,345 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:29:34,345 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 19:29:34,345 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 19:29:34,346 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:29:34,346 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:29:34,346 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 19:29:34,346 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:29:34,346 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:29:34,346 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:29:34,346 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:29:34,346 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:29:34,346 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:29:34,346 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:29:34,347 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:29:34,347 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:29:34,347 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 19:29:34,347 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:29:34,347 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 19:29:34,347 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 19:29:34,347 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_5d91f630-24c9-46a7-aa7a-f0fe36a9d945/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 [2018-12-09 19:29:34,365 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:29:34,372 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:29:34,374 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:29:34,375 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:29:34,376 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:29:34,376 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5d91f630-24c9-46a7-aa7a-f0fe36a9d945/bin-2019/utaipan/../../sv-benchmarks/c/pthread-lit/fkp2013_true-unreach-call.i [2018-12-09 19:29:34,411 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5d91f630-24c9-46a7-aa7a-f0fe36a9d945/bin-2019/utaipan/data/6ead9a97e/41a589eece864cac8bbce98dd99044f8/FLAG82413150f [2018-12-09 19:29:34,822 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:29:34,822 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5d91f630-24c9-46a7-aa7a-f0fe36a9d945/sv-benchmarks/c/pthread-lit/fkp2013_true-unreach-call.i [2018-12-09 19:29:34,829 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5d91f630-24c9-46a7-aa7a-f0fe36a9d945/bin-2019/utaipan/data/6ead9a97e/41a589eece864cac8bbce98dd99044f8/FLAG82413150f [2018-12-09 19:29:34,837 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5d91f630-24c9-46a7-aa7a-f0fe36a9d945/bin-2019/utaipan/data/6ead9a97e/41a589eece864cac8bbce98dd99044f8 [2018-12-09 19:29:34,839 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:29:34,840 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:29:34,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:29:34,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:29:34,842 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:29:34,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:29:34" (1/1) ... [2018-12-09 19:29:34,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e74bf93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:34, skipping insertion in model container [2018-12-09 19:29:34,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:29:34" (1/1) ... [2018-12-09 19:29:34,849 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:29:34,867 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:29:35,031 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:29:35,039 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:29:35,064 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:29:35,136 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:29:35,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:35 WrapperNode [2018-12-09 19:29:35,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:29:35,137 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:29:35,138 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:29:35,138 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:29:35,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:35" (1/1) ... [2018-12-09 19:29:35,152 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:35" (1/1) ... [2018-12-09 19:29:35,163 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:29:35,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:29:35,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:29:35,163 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:29:35,168 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:35" (1/1) ... [2018-12-09 19:29:35,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:35" (1/1) ... [2018-12-09 19:29:35,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:35" (1/1) ... [2018-12-09 19:29:35,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:35" (1/1) ... [2018-12-09 19:29:35,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:35" (1/1) ... [2018-12-09 19:29:35,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:35" (1/1) ... [2018-12-09 19:29:35,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:35" (1/1) ... [2018-12-09 19:29:35,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:29:35,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:29:35,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:29:35,180 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:29:35,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5d91f630-24c9-46a7-aa7a-f0fe36a9d945/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 [2018-12-09 19:29:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 19:29:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-12-09 19:29:35,211 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-12-09 19:29:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-09 19:29:35,211 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-09 19:29:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 19:29:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 19:29:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:29:35,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:29:35,212 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-09 19:29:35,361 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:29:35,361 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 19:29:35,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:29:35 BoogieIcfgContainer [2018-12-09 19:29:35,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:29:35,362 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 19:29:35,362 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 19:29:35,363 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 19:29:35,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:29:34" (1/3) ... [2018-12-09 19:29:35,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f4bcae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:29:35, skipping insertion in model container [2018-12-09 19:29:35,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:35" (2/3) ... [2018-12-09 19:29:35,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f4bcae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:29:35, skipping insertion in model container [2018-12-09 19:29:35,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:29:35" (3/3) ... [2018-12-09 19:29:35,365 INFO L112 eAbstractionObserver]: Analyzing ICFG fkp2013_true-unreach-call.i [2018-12-09 19:29:35,387 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:35,387 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:35,387 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:35,387 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:35,387 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:35,387 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:35,388 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:35,388 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:35,388 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:35,388 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:35,388 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:35,388 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:35,388 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:35,389 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:35,389 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:35,389 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:35,389 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:35,389 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:35,389 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:35,389 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:35,389 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:29:35,395 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-09 19:29:35,395 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 19:29:35,400 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-12-09 19:29:35,408 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-12-09 19:29:35,422 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 19:29:35,422 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 19:29:35,422 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 19:29:35,422 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 19:29:35,422 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 19:29:35,422 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 19:29:35,422 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 19:29:35,422 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 19:29:35,423 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 19:29:35,427 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 48places, 48 transitions [2018-12-09 19:29:35,441 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) [2018-12-09 19:29:35,443 INFO L168 Benchmark]: Toolchain (without parser) took 604.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -151.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:29:35,444 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-12-09 19:29:35,444 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -190.9 MB). Peak memory consumption was 44.1 MB. Max. memory is 11.5 GB. [2018-12-09 19:29:35,445 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.33 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:29:35,445 INFO L168 Benchmark]: Boogie Preprocessor took 16.34 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. [2018-12-09 19:29:35,446 INFO L168 Benchmark]: RCFGBuilder took 181.73 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: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:29:35,446 INFO L168 Benchmark]: TraceAbstraction took 81.12 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: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. [2018-12-09 19:29:35,449 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 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 296.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -190.9 MB). Peak memory consumption was 44.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.33 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.34 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 181.73 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: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 81.12 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: 8.4 MB). Peak memory consumption was 8.4 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...