./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant_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_c83316df-e902-465e-99a5-86230b15a4dd/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c83316df-e902-465e-99a5-86230b15a4dd/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c83316df-e902-465e-99a5-86230b15a4dd/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c83316df-e902-465e-99a5-86230b15a4dd/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_c83316df-e902-465e-99a5-86230b15a4dd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c83316df-e902-465e-99a5-86230b15a4dd/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 924c2c8b252a881a87d805302d80fec6ce140fd5 ............................................................................................................................................................................................................................................................ 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_c83316df-e902-465e-99a5-86230b15a4dd/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c83316df-e902-465e-99a5-86230b15a4dd/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c83316df-e902-465e-99a5-86230b15a4dd/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c83316df-e902-465e-99a5-86230b15a4dd/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_c83316df-e902-465e-99a5-86230b15a4dd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c83316df-e902-465e-99a5-86230b15a4dd/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 924c2c8b252a881a87d805302d80fec6ce140fd5 ............................................................................................................................................................................................................................................................. 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 [2018-12-08 15:47:46,787 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 15:47:46,788 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 15:47:46,794 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 15:47:46,794 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 15:47:46,794 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 15:47:46,795 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 15:47:46,796 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 15:47:46,797 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 15:47:46,797 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 15:47:46,798 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 15:47:46,798 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 15:47:46,798 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 15:47:46,799 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 15:47:46,799 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 15:47:46,800 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 15:47:46,800 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 15:47:46,801 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 15:47:46,802 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 15:47:46,802 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 15:47:46,803 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 15:47:46,803 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 15:47:46,805 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 15:47:46,805 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 15:47:46,805 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 15:47:46,805 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 15:47:46,806 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 15:47:46,806 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 15:47:46,807 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 15:47:46,807 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 15:47:46,807 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 15:47:46,807 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 15:47:46,808 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 15:47:46,808 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 15:47:46,808 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 15:47:46,808 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 15:47:46,809 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c83316df-e902-465e-99a5-86230b15a4dd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 15:47:46,816 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 15:47:46,816 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 15:47:46,816 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 15:47:46,816 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 15:47:46,817 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 15:47:46,817 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 15:47:46,817 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 15:47:46,817 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 15:47:46,817 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 15:47:46,817 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 15:47:46,817 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 15:47:46,817 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 15:47:46,817 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 15:47:46,818 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 15:47:46,818 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 15:47:46,818 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 15:47:46,818 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 15:47:46,818 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 15:47:46,818 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 15:47:46,818 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 15:47:46,818 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 15:47:46,818 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 15:47:46,818 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 15:47:46,818 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 15:47:46,819 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 15:47:46,819 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 15:47:46,819 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 15:47:46,819 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 15:47:46,819 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 15:47:46,819 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 15:47:46,819 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 15:47:46,819 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 15:47:46,819 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 15:47:46,819 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 15:47:46,820 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 15:47:46,820 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 15:47:46,820 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_c83316df-e902-465e-99a5-86230b15a4dd/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 -> 924c2c8b252a881a87d805302d80fec6ce140fd5 [2018-12-08 15:47:46,837 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 15:47:46,847 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 15:47:46,849 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 15:47:46,850 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 15:47:46,851 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 15:47:46,851 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c83316df-e902-465e-99a5-86230b15a4dd/bin-2019/utaipan/../../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant_false-unreach-call.i [2018-12-08 15:47:46,892 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c83316df-e902-465e-99a5-86230b15a4dd/bin-2019/utaipan/data/62b127efe/1312f610d5db45e09fb584cb4df2d5cc/FLAGc18b58c8d [2018-12-08 15:47:47,346 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 15:47:47,346 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c83316df-e902-465e-99a5-86230b15a4dd/sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant_false-unreach-call.i [2018-12-08 15:47:47,354 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c83316df-e902-465e-99a5-86230b15a4dd/bin-2019/utaipan/data/62b127efe/1312f610d5db45e09fb584cb4df2d5cc/FLAGc18b58c8d [2018-12-08 15:47:47,362 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c83316df-e902-465e-99a5-86230b15a4dd/bin-2019/utaipan/data/62b127efe/1312f610d5db45e09fb584cb4df2d5cc [2018-12-08 15:47:47,364 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 15:47:47,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 15:47:47,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 15:47:47,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 15:47:47,367 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 15:47:47,367 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:47:47" (1/1) ... [2018-12-08 15:47:47,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@725a737b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:47, skipping insertion in model container [2018-12-08 15:47:47,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:47:47" (1/1) ... [2018-12-08 15:47:47,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 15:47:47,393 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 15:47:47,557 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 15:47:47,603 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 15:47:47,626 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 15:47:47,658 INFO L195 MainTranslator]: Completed translation [2018-12-08 15:47:47,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:47 WrapperNode [2018-12-08 15:47:47,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 15:47:47,659 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 15:47:47,659 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 15:47:47,659 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 15:47:47,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:47" (1/1) ... [2018-12-08 15:47:47,672 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:47" (1/1) ... [2018-12-08 15:47:47,684 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 15:47:47,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 15:47:47,685 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 15:47:47,685 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 15:47:47,690 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:47" (1/1) ... [2018-12-08 15:47:47,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:47" (1/1) ... [2018-12-08 15:47:47,692 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:47" (1/1) ... [2018-12-08 15:47:47,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:47" (1/1) ... [2018-12-08 15:47:47,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:47" (1/1) ... [2018-12-08 15:47:47,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:47" (1/1) ... [2018-12-08 15:47:47,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:47" (1/1) ... [2018-12-08 15:47:47,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 15:47:47,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 15:47:47,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 15:47:47,701 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 15:47:47,701 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c83316df-e902-465e-99a5-86230b15a4dd/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 [2018-12-08 15:47:47,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 15:47:47,732 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-12-08 15:47:47,732 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-12-08 15:47:47,733 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-08 15:47:47,733 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-08 15:47:47,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 15:47:47,733 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2018-12-08 15:47:47,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 15:47:47,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-08 15:47:47,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 15:47:47,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 15:47:47,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 15:47:47,734 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-08 15:47:47,917 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 15:47:47,917 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 15:47:47,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:47:47 BoogieIcfgContainer [2018-12-08 15:47:47,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 15:47:47,918 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 15:47:47,918 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 15:47:47,920 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 15:47:47,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 03:47:47" (1/3) ... [2018-12-08 15:47:47,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4398175f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:47:47, skipping insertion in model container [2018-12-08 15:47:47,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:47" (2/3) ... [2018-12-08 15:47:47,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4398175f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:47:47, skipping insertion in model container [2018-12-08 15:47:47,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:47:47" (3/3) ... [2018-12-08 15:47:47,922 INFO L112 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-variant_false-unreach-call.i [2018-12-08 15:47:47,941 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:47,941 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:47,941 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:47,941 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:47,942 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:47,942 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:47,942 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:47,942 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:47,942 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:47,942 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:47,942 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:47,942 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:47,943 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:47,943 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:47,943 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:47,943 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:47,943 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:47,943 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:47,943 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:47,943 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:47,944 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:47,944 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:47,944 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:47,944 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:47,944 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:47,949 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-08 15:47:47,949 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 15:47:47,954 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-12-08 15:47:47,963 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-12-08 15:47:47,978 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 15:47:47,978 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 15:47:47,978 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 15:47:47,978 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 15:47:47,978 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 15:47:47,978 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 15:47:47,978 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 15:47:47,978 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 15:47:47,983 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 65places, 66 transitions [2018-12-08 15:47:47,997 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) [2018-12-08 15:47:47,999 INFO L168 Benchmark]: Toolchain (without parser) took 634.84 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 950.6 MB in the beginning and 1.0 GB in the end (delta: -99.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. [2018-12-08 15:47:48,000 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 15:47:48,000 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -137.0 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. [2018-12-08 15:47:48,000 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.89 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. [2018-12-08 15:47:48,001 INFO L168 Benchmark]: Boogie Preprocessor took 15.67 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 15:47:48,001 INFO L168 Benchmark]: RCFGBuilder took 216.84 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: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2018-12-08 15:47:48,001 INFO L168 Benchmark]: TraceAbstraction took 80.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 15:47:48,003 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 293.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -137.0 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.89 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. * Boogie Preprocessor took 15.67 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 216.84 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: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 80.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 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... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-08 15:47:49,331 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 15:47:49,332 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 15:47:49,339 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 15:47:49,340 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 15:47:49,340 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 15:47:49,341 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 15:47:49,342 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 15:47:49,343 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 15:47:49,344 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 15:47:49,345 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 15:47:49,345 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 15:47:49,345 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 15:47:49,346 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 15:47:49,347 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 15:47:49,347 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 15:47:49,348 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 15:47:49,349 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 15:47:49,350 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 15:47:49,351 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 15:47:49,352 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 15:47:49,353 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 15:47:49,355 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 15:47:49,355 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 15:47:49,355 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 15:47:49,356 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 15:47:49,356 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 15:47:49,357 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 15:47:49,357 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 15:47:49,358 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 15:47:49,358 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 15:47:49,359 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 15:47:49,359 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 15:47:49,359 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 15:47:49,360 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 15:47:49,360 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 15:47:49,360 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c83316df-e902-465e-99a5-86230b15a4dd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-08 15:47:49,371 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 15:47:49,371 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 15:47:49,372 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 15:47:49,372 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 15:47:49,372 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 15:47:49,372 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 15:47:49,372 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 15:47:49,372 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 15:47:49,373 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 15:47:49,373 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 15:47:49,373 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 15:47:49,373 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 15:47:49,373 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 15:47:49,373 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 15:47:49,374 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 15:47:49,374 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 15:47:49,374 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 15:47:49,374 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 15:47:49,374 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 15:47:49,374 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 15:47:49,374 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 15:47:49,375 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 15:47:49,375 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 15:47:49,375 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 15:47:49,375 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 15:47:49,375 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 15:47:49,375 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 15:47:49,375 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 15:47:49,375 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 15:47:49,375 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 15:47:49,375 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 15:47:49,375 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 15:47:49,375 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 15:47:49,376 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 15:47:49,376 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 15:47:49,376 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_c83316df-e902-465e-99a5-86230b15a4dd/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 -> 924c2c8b252a881a87d805302d80fec6ce140fd5 [2018-12-08 15:47:49,399 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 15:47:49,409 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 15:47:49,411 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 15:47:49,412 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 15:47:49,413 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 15:47:49,413 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c83316df-e902-465e-99a5-86230b15a4dd/bin-2019/utaipan/../../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant_false-unreach-call.i [2018-12-08 15:47:49,457 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c83316df-e902-465e-99a5-86230b15a4dd/bin-2019/utaipan/data/8a3575462/4d06aa10ebe9429b8e938d057bf049eb/FLAG0c9c0eeba [2018-12-08 15:47:49,871 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 15:47:49,872 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c83316df-e902-465e-99a5-86230b15a4dd/sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant_false-unreach-call.i [2018-12-08 15:47:49,880 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c83316df-e902-465e-99a5-86230b15a4dd/bin-2019/utaipan/data/8a3575462/4d06aa10ebe9429b8e938d057bf049eb/FLAG0c9c0eeba [2018-12-08 15:47:49,888 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c83316df-e902-465e-99a5-86230b15a4dd/bin-2019/utaipan/data/8a3575462/4d06aa10ebe9429b8e938d057bf049eb [2018-12-08 15:47:49,890 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 15:47:49,891 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 15:47:49,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 15:47:49,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 15:47:49,893 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 15:47:49,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:47:49" (1/1) ... [2018-12-08 15:47:49,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a4eb40d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:49, skipping insertion in model container [2018-12-08 15:47:49,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:47:49" (1/1) ... [2018-12-08 15:47:49,899 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 15:47:49,918 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 15:47:50,091 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 15:47:50,104 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 15:47:50,172 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 15:47:50,212 INFO L195 MainTranslator]: Completed translation [2018-12-08 15:47:50,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:50 WrapperNode [2018-12-08 15:47:50,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 15:47:50,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 15:47:50,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 15:47:50,213 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 15:47:50,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:50" (1/1) ... [2018-12-08 15:47:50,227 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:50" (1/1) ... [2018-12-08 15:47:50,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 15:47:50,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 15:47:50,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 15:47:50,239 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 15:47:50,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:50" (1/1) ... [2018-12-08 15:47:50,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:50" (1/1) ... [2018-12-08 15:47:50,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:50" (1/1) ... [2018-12-08 15:47:50,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:50" (1/1) ... [2018-12-08 15:47:50,251 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:50" (1/1) ... [2018-12-08 15:47:50,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:50" (1/1) ... [2018-12-08 15:47:50,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:50" (1/1) ... [2018-12-08 15:47:50,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 15:47:50,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 15:47:50,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 15:47:50,257 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 15:47:50,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c83316df-e902-465e-99a5-86230b15a4dd/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 [2018-12-08 15:47:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 15:47:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-12-08 15:47:50,287 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-12-08 15:47:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-08 15:47:50,287 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-08 15:47:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2018-12-08 15:47:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 15:47:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-08 15:47:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-08 15:47:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2018-12-08 15:47:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2018-12-08 15:47:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 15:47:50,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 15:47:50,289 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-08 15:47:50,473 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 15:47:50,473 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 15:47:50,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:47:50 BoogieIcfgContainer [2018-12-08 15:47:50,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 15:47:50,474 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 15:47:50,475 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 15:47:50,477 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 15:47:50,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 03:47:49" (1/3) ... [2018-12-08 15:47:50,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad9c21d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:47:50, skipping insertion in model container [2018-12-08 15:47:50,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:50" (2/3) ... [2018-12-08 15:47:50,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad9c21d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:47:50, skipping insertion in model container [2018-12-08 15:47:50,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:47:50" (3/3) ... [2018-12-08 15:47:50,479 INFO L112 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-variant_false-unreach-call.i [2018-12-08 15:47:50,503 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:50,503 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:50,503 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:50,503 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:50,503 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:50,504 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:50,504 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:50,504 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:50,504 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:50,504 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:50,504 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:50,504 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:50,504 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:50,504 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:50,505 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:50,505 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:50,505 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:50,505 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:50,505 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:50,505 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:50,505 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:50,505 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:50,506 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:50,506 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:50,506 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:47:50,510 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-08 15:47:50,510 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 15:47:50,515 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-12-08 15:47:50,524 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-12-08 15:47:50,537 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 15:47:50,537 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 15:47:50,538 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 15:47:50,538 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 15:47:50,538 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 15:47:50,538 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 15:47:50,538 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 15:47:50,538 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 15:47:50,538 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 15:47:50,543 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 65places, 66 transitions [2018-12-08 15:47:50,556 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) [2018-12-08 15:47:50,558 INFO L168 Benchmark]: Toolchain (without parser) took 667.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 938.0 MB in the beginning and 1.0 GB in the end (delta: -105.6 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. [2018-12-08 15:47:50,559 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-12-08 15:47:50,559 INFO L168 Benchmark]: CACSL2BoogieTranslator took 321.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -158.1 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-12-08 15:47:50,560 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-08 15:47:50,560 INFO L168 Benchmark]: Boogie Preprocessor took 17.47 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. [2018-12-08 15:47:50,561 INFO L168 Benchmark]: RCFGBuilder took 217.26 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: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-12-08 15:47:50,561 INFO L168 Benchmark]: TraceAbstraction took 83.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-12-08 15:47:50,564 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 321.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -158.1 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.47 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 217.26 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: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 83.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 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...