./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/pthread-ext/28_buggy_simple_loop1_vf_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/pthread-ext/28_buggy_simple_loop1_vf_false-unreach-call.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4b657fa85d3094e08d2f44296b039a2c61bf4699 ................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/pthread-ext/28_buggy_simple_loop1_vf_false-unreach-call.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4b657fa85d3094e08d2f44296b039a2c61bf4699 ................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 19:35:39,895 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 19:35:39,897 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 19:35:39,911 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 19:35:39,913 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 19:35:39,915 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 19:35:39,918 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 19:35:39,921 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 19:35:39,924 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 19:35:39,927 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 19:35:39,929 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 19:35:39,930 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 19:35:39,932 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 19:35:39,935 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 19:35:39,941 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 19:35:39,945 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 19:35:39,946 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 19:35:39,951 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 19:35:39,955 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 19:35:39,958 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 19:35:39,960 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 19:35:39,963 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 19:35:39,966 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 19:35:39,968 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 19:35:39,969 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 19:35:39,970 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 19:35:39,971 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 19:35:39,972 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 19:35:39,972 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 19:35:39,977 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 19:35:39,977 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 19:35:39,978 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 19:35:39,980 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 19:35:39,980 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 19:35:39,981 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 19:35:39,984 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 19:35:39,986 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 19:35:40,013 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 19:35:40,013 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 19:35:40,015 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 19:35:40,015 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 19:35:40,016 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 19:35:40,018 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 19:35:40,018 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 19:35:40,018 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 19:35:40,018 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 19:35:40,018 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 19:35:40,019 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 19:35:40,020 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 19:35:40,020 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 19:35:40,020 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 19:35:40,020 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 19:35:40,021 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 19:35:40,021 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 19:35:40,021 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 19:35:40,021 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 19:35:40,023 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 19:35:40,023 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 19:35:40,024 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 19:35:40,024 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 19:35:40,024 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 19:35:40,024 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 19:35:40,024 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 19:35:40,025 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 19:35:40,025 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 19:35:40,025 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 19:35:40,026 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 19:35:40,026 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> Automizer 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 -> 4b657fa85d3094e08d2f44296b039a2c61bf4699 [2018-11-28 19:35:40,097 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 19:35:40,114 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 19:35:40,118 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 19:35:40,120 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 19:35:40,120 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 19:35:40,121 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-ext/28_buggy_simple_loop1_vf_false-unreach-call.i [2018-11-28 19:35:40,191 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c2e1250d/6a113a64938f485780968a374169b9fa/FLAGb31aca0df [2018-11-28 19:35:40,754 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 19:35:40,757 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-ext/28_buggy_simple_loop1_vf_false-unreach-call.i [2018-11-28 19:35:40,776 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c2e1250d/6a113a64938f485780968a374169b9fa/FLAGb31aca0df [2018-11-28 19:35:41,012 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c2e1250d/6a113a64938f485780968a374169b9fa [2018-11-28 19:35:41,015 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 19:35:41,017 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 19:35:41,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 19:35:41,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 19:35:41,022 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 19:35:41,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:35:41" (1/1) ... [2018-11-28 19:35:41,028 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@308ccefd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:41, skipping insertion in model container [2018-11-28 19:35:41,028 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:35:41" (1/1) ... [2018-11-28 19:35:41,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 19:35:41,089 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 19:35:41,531 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 19:35:41,548 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 19:35:41,626 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 19:35:41,789 INFO L195 MainTranslator]: Completed translation [2018-11-28 19:35:41,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:41 WrapperNode [2018-11-28 19:35:41,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 19:35:41,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 19:35:41,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 19:35:41,790 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 19:35:41,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:41" (1/1) ... [2018-11-28 19:35:41,821 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:41" (1/1) ... [2018-11-28 19:35:41,845 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 19:35:41,845 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 19:35:41,845 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 19:35:41,845 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 19:35:41,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:41" (1/1) ... [2018-11-28 19:35:41,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:41" (1/1) ... [2018-11-28 19:35:41,857 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:41" (1/1) ... [2018-11-28 19:35:41,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:41" (1/1) ... [2018-11-28 19:35:41,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:41" (1/1) ... [2018-11-28 19:35:41,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:41" (1/1) ... [2018-11-28 19:35:41,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:41" (1/1) ... [2018-11-28 19:35:41,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 19:35:41,885 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 19:35:41,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 19:35:41,885 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 19:35:41,886 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 19:35:41,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 19:35:41,944 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-28 19:35:41,946 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-28 19:35:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 19:35:41,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 19:35:41,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 19:35:41,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 19:35:41,951 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-28 19:35:42,428 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 19:35:42,429 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-11-28 19:35:42,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:35:42 BoogieIcfgContainer [2018-11-28 19:35:42,429 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 19:35:42,431 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 19:35:42,431 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 19:35:42,434 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 19:35:42,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:35:41" (1/3) ... [2018-11-28 19:35:42,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bdf5b5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:35:42, skipping insertion in model container [2018-11-28 19:35:42,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:41" (2/3) ... [2018-11-28 19:35:42,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bdf5b5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:35:42, skipping insertion in model container [2018-11-28 19:35:42,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:35:42" (3/3) ... [2018-11-28 19:35:42,438 INFO L112 eAbstractionObserver]: Analyzing ICFG 28_buggy_simple_loop1_vf_false-unreach-call.i [2018-11-28 19:35:42,473 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,473 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,474 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,474 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,474 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,475 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,475 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,475 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,475 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,475 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,476 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,476 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,476 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,476 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,477 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,477 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,477 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,477 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,477 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,478 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,478 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,478 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,478 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,478 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,478 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,479 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,479 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,479 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,479 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,479 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,480 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,480 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,480 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,480 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,480 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,481 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,481 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,481 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,481 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,481 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,481 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,482 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,482 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,482 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,482 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,482 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,483 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,483 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,483 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,483 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,483 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,484 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,484 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,484 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,484 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,484 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,484 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,485 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,485 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,485 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,485 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,485 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,485 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,486 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,486 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,486 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:42,497 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-28 19:35:42,497 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 19:35:42,505 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-11-28 19:35:42,523 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-11-28 19:35:42,548 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 19:35:42,549 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 19:35:42,549 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 19:35:42,549 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 19:35:42,549 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 19:35:42,549 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 19:35:42,549 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 19:35:42,549 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 19:35:42,550 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 19:35:42,558 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 46places, 54 transitions [2018-11-28 19:35:42,569 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_thr1 at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-28 19:35:42,573 INFO L168 Benchmark]: Toolchain (without parser) took 1556.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -119.9 MB). Peak memory consumption was 2.8 MB. Max. memory is 11.5 GB. [2018-11-28 19:35:42,575 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 19:35:42,575 INFO L168 Benchmark]: CACSL2BoogieTranslator took 771.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -165.1 MB). Peak memory consumption was 42.9 MB. Max. memory is 11.5 GB. [2018-11-28 19:35:42,577 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.72 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-28 19:35:42,577 INFO L168 Benchmark]: Boogie Preprocessor took 39.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 19:35:42,578 INFO L168 Benchmark]: RCFGBuilder took 545.15 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: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-28 19:35:42,579 INFO L168 Benchmark]: TraceAbstraction took 141.25 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-28 19:35:42,584 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 771.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -165.1 MB). Peak memory consumption was 42.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.72 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.50 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 545.15 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: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 141.25 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1: 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 0.1.24-91b1670 [2018-11-28 19:35:45,006 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 19:35:45,008 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 19:35:45,022 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 19:35:45,022 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 19:35:45,024 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 19:35:45,026 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 19:35:45,028 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 19:35:45,031 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 19:35:45,032 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 19:35:45,033 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 19:35:45,033 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 19:35:45,034 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 19:35:45,036 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 19:35:45,040 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 19:35:45,041 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 19:35:45,042 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 19:35:45,045 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 19:35:45,051 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 19:35:45,054 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 19:35:45,055 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 19:35:45,060 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 19:35:45,063 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 19:35:45,066 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 19:35:45,066 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 19:35:45,067 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 19:35:45,070 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 19:35:45,073 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 19:35:45,074 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 19:35:45,077 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 19:35:45,079 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 19:35:45,081 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 19:35:45,082 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 19:35:45,082 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 19:35:45,083 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 19:35:45,085 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 19:35:45,087 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 19:35:45,117 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 19:35:45,117 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 19:35:45,118 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 19:35:45,119 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 19:35:45,119 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 19:35:45,119 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 19:35:45,120 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 19:35:45,120 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 19:35:45,120 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 19:35:45,120 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 19:35:45,120 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 19:35:45,120 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 19:35:45,122 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 19:35:45,122 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 19:35:45,122 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 19:35:45,122 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 19:35:45,122 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 19:35:45,123 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 19:35:45,123 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 19:35:45,124 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 19:35:45,124 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 19:35:45,124 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 19:35:45,124 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 19:35:45,124 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 19:35:45,124 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 19:35:45,126 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 19:35:45,126 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 19:35:45,126 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 19:35:45,126 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 19:35:45,126 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 19:35:45,127 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 19:35:45,127 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 19:35:45,127 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> Automizer 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 -> 4b657fa85d3094e08d2f44296b039a2c61bf4699 [2018-11-28 19:35:45,166 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 19:35:45,179 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 19:35:45,183 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 19:35:45,185 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 19:35:45,187 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 19:35:45,188 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-ext/28_buggy_simple_loop1_vf_false-unreach-call.i [2018-11-28 19:35:45,254 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c90781587/0648f6ea4a2c4259af1fb77fe669f8e5/FLAG004430bac [2018-11-28 19:35:45,802 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 19:35:45,803 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-ext/28_buggy_simple_loop1_vf_false-unreach-call.i [2018-11-28 19:35:45,815 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c90781587/0648f6ea4a2c4259af1fb77fe669f8e5/FLAG004430bac [2018-11-28 19:35:46,072 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c90781587/0648f6ea4a2c4259af1fb77fe669f8e5 [2018-11-28 19:35:46,077 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 19:35:46,079 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 19:35:46,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 19:35:46,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 19:35:46,085 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 19:35:46,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:35:46" (1/1) ... [2018-11-28 19:35:46,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b44a59f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:46, skipping insertion in model container [2018-11-28 19:35:46,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:35:46" (1/1) ... [2018-11-28 19:35:46,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 19:35:46,142 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 19:35:46,561 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 19:35:46,578 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 19:35:46,722 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 19:35:46,826 INFO L195 MainTranslator]: Completed translation [2018-11-28 19:35:46,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:46 WrapperNode [2018-11-28 19:35:46,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 19:35:46,827 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 19:35:46,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 19:35:46,828 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 19:35:46,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:46" (1/1) ... [2018-11-28 19:35:46,874 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:46" (1/1) ... [2018-11-28 19:35:46,900 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 19:35:46,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 19:35:46,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 19:35:46,902 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 19:35:46,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:46" (1/1) ... [2018-11-28 19:35:46,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:46" (1/1) ... [2018-11-28 19:35:46,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:46" (1/1) ... [2018-11-28 19:35:46,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:46" (1/1) ... [2018-11-28 19:35:46,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:46" (1/1) ... [2018-11-28 19:35:46,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:46" (1/1) ... [2018-11-28 19:35:46,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:46" (1/1) ... [2018-11-28 19:35:46,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 19:35:46,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 19:35:46,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 19:35:46,967 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 19:35:46,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 19:35:47,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 19:35:47,048 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-28 19:35:47,049 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-28 19:35:47,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 19:35:47,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-28 19:35:47,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 19:35:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 19:35:47,051 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-28 19:35:47,561 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 19:35:47,561 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-11-28 19:35:47,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:35:47 BoogieIcfgContainer [2018-11-28 19:35:47,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 19:35:47,563 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 19:35:47,563 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 19:35:47,566 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 19:35:47,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:35:46" (1/3) ... [2018-11-28 19:35:47,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32ad64df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:35:47, skipping insertion in model container [2018-11-28 19:35:47,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:46" (2/3) ... [2018-11-28 19:35:47,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32ad64df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:35:47, skipping insertion in model container [2018-11-28 19:35:47,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:35:47" (3/3) ... [2018-11-28 19:35:47,572 INFO L112 eAbstractionObserver]: Analyzing ICFG 28_buggy_simple_loop1_vf_false-unreach-call.i [2018-11-28 19:35:47,608 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,608 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,608 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,608 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,609 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,609 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,609 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,609 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,610 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,610 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,610 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,610 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,611 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,611 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,611 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,611 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,612 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,612 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,612 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,613 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,613 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,613 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,613 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,613 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,614 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,614 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,614 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,614 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,614 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,615 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,615 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,615 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,615 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,615 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,616 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,616 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,616 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,616 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,617 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,617 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,617 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,617 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,617 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,618 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,618 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,618 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,618 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,619 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,619 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,619 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,619 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,619 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,620 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,620 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,620 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,620 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,621 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,621 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,621 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,621 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,621 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,622 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,622 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,622 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,622 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,623 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:47,645 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-28 19:35:47,646 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 19:35:47,655 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-11-28 19:35:47,673 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-11-28 19:35:47,699 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 19:35:47,700 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 19:35:47,700 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 19:35:47,700 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 19:35:47,700 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 19:35:47,700 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 19:35:47,701 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 19:35:47,701 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 19:35:47,701 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 19:35:47,711 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 46places, 54 transitions [2018-11-28 19:35:47,726 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_thr1 at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-28 19:35:47,729 INFO L168 Benchmark]: Toolchain (without parser) took 1651.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -134.0 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. [2018-11-28 19:35:47,732 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 19:35:47,732 INFO L168 Benchmark]: CACSL2BoogieTranslator took 746.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -166.4 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. [2018-11-28 19:35:47,733 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 19:35:47,734 INFO L168 Benchmark]: Boogie Preprocessor took 64.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 19:35:47,735 INFO L168 Benchmark]: RCFGBuilder took 595.64 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: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2018-11-28 19:35:47,735 INFO L168 Benchmark]: TraceAbstraction took 165.68 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. [2018-11-28 19:35:47,740 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 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 746.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -166.4 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 73.65 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. * Boogie Preprocessor took 64.84 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 595.64 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: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 165.68 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1: 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...