./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/pthread-ext/48_ticket_lock_low_contention_vs_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa 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/48_ticket_lock_low_contention_vs_true-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 bf24cd7b916b23b6d1ee7fcafd0e5b379d458909 ........................................................................................................................................................................................................................................... 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/48_ticket_lock_low_contention_vs_true-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 bf24cd7b916b23b6d1ee7fcafd0e5b379d458909 ............................................................................................................................................................................................................................................. 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 0.1.24-2e94e6a [2018-12-31 17:32:10,917 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 17:32:10,919 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 17:32:10,930 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 17:32:10,931 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 17:32:10,932 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 17:32:10,933 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 17:32:10,936 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 17:32:10,937 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 17:32:10,938 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 17:32:10,939 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 17:32:10,940 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 17:32:10,941 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 17:32:10,942 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 17:32:10,943 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 17:32:10,944 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 17:32:10,945 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 17:32:10,947 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 17:32:10,949 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 17:32:10,951 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 17:32:10,952 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 17:32:10,954 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 17:32:10,957 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 17:32:10,957 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 17:32:10,957 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 17:32:10,958 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 17:32:10,960 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 17:32:10,961 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 17:32:10,962 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 17:32:10,963 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 17:32:10,963 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 17:32:10,964 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 17:32:10,964 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 17:32:10,965 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 17:32:10,966 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 17:32:10,967 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 17:32:10,967 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 17:32:10,983 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 17:32:10,983 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 17:32:10,984 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 17:32:10,985 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 17:32:10,985 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 17:32:10,985 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 17:32:10,985 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 17:32:10,985 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 17:32:10,986 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 17:32:10,986 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 17:32:10,986 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 17:32:10,986 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 17:32:10,986 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 17:32:10,987 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 17:32:10,988 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 17:32:10,988 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 17:32:10,988 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 17:32:10,988 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 17:32:10,989 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 17:32:10,989 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 17:32:10,989 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 17:32:10,989 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 17:32:10,989 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 17:32:10,989 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 17:32:10,991 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 17:32:10,991 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 17:32:10,991 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 17:32:10,991 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 17:32:10,992 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 -> bf24cd7b916b23b6d1ee7fcafd0e5b379d458909 [2018-12-31 17:32:11,029 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 17:32:11,042 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 17:32:11,046 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 17:32:11,047 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 17:32:11,048 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 17:32:11,049 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-ext/48_ticket_lock_low_contention_vs_true-unreach-call.i [2018-12-31 17:32:11,113 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65df8ebb9/b989a7f2a75f47c598df611ada9622b5/FLAG4161da800 [2018-12-31 17:32:11,712 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 17:32:11,713 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-ext/48_ticket_lock_low_contention_vs_true-unreach-call.i [2018-12-31 17:32:11,727 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65df8ebb9/b989a7f2a75f47c598df611ada9622b5/FLAG4161da800 [2018-12-31 17:32:11,977 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65df8ebb9/b989a7f2a75f47c598df611ada9622b5 [2018-12-31 17:32:11,981 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 17:32:11,983 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 17:32:11,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 17:32:11,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 17:32:11,989 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 17:32:11,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 05:32:11" (1/1) ... [2018-12-31 17:32:11,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@136f6f7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:11, skipping insertion in model container [2018-12-31 17:32:11,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 05:32:11" (1/1) ... [2018-12-31 17:32:12,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 17:32:12,055 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 17:32:12,429 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 17:32:12,442 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 17:32:12,624 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 17:32:12,711 INFO L195 MainTranslator]: Completed translation [2018-12-31 17:32:12,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:12 WrapperNode [2018-12-31 17:32:12,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 17:32:12,713 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 17:32:12,713 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 17:32:12,713 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 17:32:12,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:12" (1/1) ... [2018-12-31 17:32:12,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:12" (1/1) ... [2018-12-31 17:32:12,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 17:32:12,777 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 17:32:12,777 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 17:32:12,777 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 17:32:12,788 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:12" (1/1) ... [2018-12-31 17:32:12,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:12" (1/1) ... [2018-12-31 17:32:12,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:12" (1/1) ... [2018-12-31 17:32:12,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:12" (1/1) ... [2018-12-31 17:32:12,799 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:12" (1/1) ... [2018-12-31 17:32:12,804 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:12" (1/1) ... [2018-12-31 17:32:12,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:12" (1/1) ... [2018-12-31 17:32:12,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 17:32:12,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 17:32:12,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 17:32:12,818 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 17:32:12,823 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:12" (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 [2018-12-31 17:32:12,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-31 17:32:12,878 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-31 17:32:12,879 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-31 17:32:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-31 17:32:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 17:32:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 17:32:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 17:32:12,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 17:32:12,881 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-31 17:32:13,024 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2018-12-31 17:32:13,288 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2018-12-31 17:32:13,454 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 17:32:13,455 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-12-31 17:32:13,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 05:32:13 BoogieIcfgContainer [2018-12-31 17:32:13,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 17:32:13,456 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 17:32:13,456 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 17:32:13,461 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 17:32:13,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 05:32:11" (1/3) ... [2018-12-31 17:32:13,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f8d98b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 05:32:13, skipping insertion in model container [2018-12-31 17:32:13,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:12" (2/3) ... [2018-12-31 17:32:13,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f8d98b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 05:32:13, skipping insertion in model container [2018-12-31 17:32:13,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 05:32:13" (3/3) ... [2018-12-31 17:32:13,467 INFO L112 eAbstractionObserver]: Analyzing ICFG 48_ticket_lock_low_contention_vs_true-unreach-call.i [2018-12-31 17:32:13,508 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:13,508 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:13,509 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:13,509 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:13,509 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:13,511 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:13,511 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:13,511 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:13,511 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:13,512 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:13,512 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:13,512 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:13,512 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:13,512 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:13,514 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:13,514 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:13,515 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:13,515 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:13,515 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:13,515 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:13,518 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:13,518 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:13,518 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:13,520 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:13,520 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:13,521 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:13,521 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:13,542 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-31 17:32:13,543 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 17:32:13,554 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-31 17:32:13,573 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-31 17:32:13,598 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 17:32:13,598 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 17:32:13,599 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 17:32:13,599 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 17:32:13,599 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 17:32:13,599 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 17:32:13,599 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 17:32:13,599 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 17:32:13,599 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 17:32:13,609 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 64places, 70 transitions [2018-12-31 17:32:13,625 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) [2018-12-31 17:32:13,628 INFO L168 Benchmark]: Toolchain (without parser) took 1646.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -111.3 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2018-12-31 17:32:13,630 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. [2018-12-31 17:32:13,631 INFO L168 Benchmark]: CACSL2BoogieTranslator took 728.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -144.6 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. [2018-12-31 17:32:13,632 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.41 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. [2018-12-31 17:32:13,633 INFO L168 Benchmark]: Boogie Preprocessor took 40.68 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. [2018-12-31 17:32:13,633 INFO L168 Benchmark]: RCFGBuilder took 637.83 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: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2018-12-31 17:32:13,634 INFO L168 Benchmark]: TraceAbstraction took 171.14 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-31 17:32:13,639 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 728.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -144.6 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.41 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 40.68 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 637.83 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: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 171.14 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: 6.9 MB). Peak memory consumption was 6.9 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 0.1.24-2e94e6a [2018-12-31 17:32:15,980 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 17:32:15,981 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 17:32:15,994 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 17:32:15,994 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 17:32:15,995 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 17:32:15,997 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 17:32:16,000 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 17:32:16,002 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 17:32:16,003 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 17:32:16,004 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 17:32:16,005 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 17:32:16,006 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 17:32:16,007 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 17:32:16,009 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 17:32:16,010 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 17:32:16,011 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 17:32:16,013 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 17:32:16,020 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 17:32:16,022 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 17:32:16,026 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 17:32:16,031 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 17:32:16,034 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 17:32:16,034 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 17:32:16,034 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 17:32:16,035 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 17:32:16,040 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 17:32:16,041 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 17:32:16,041 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 17:32:16,046 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 17:32:16,046 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 17:32:16,047 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 17:32:16,048 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 17:32:16,048 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 17:32:16,049 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 17:32:16,052 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 17:32:16,052 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-31 17:32:16,086 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 17:32:16,086 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 17:32:16,087 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 17:32:16,088 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 17:32:16,088 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 17:32:16,088 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 17:32:16,088 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 17:32:16,088 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 17:32:16,089 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 17:32:16,089 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 17:32:16,089 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 17:32:16,089 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 17:32:16,089 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-31 17:32:16,089 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-31 17:32:16,090 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 17:32:16,090 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 17:32:16,090 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 17:32:16,090 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 17:32:16,090 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 17:32:16,095 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 17:32:16,095 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 17:32:16,095 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 17:32:16,095 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 17:32:16,096 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 17:32:16,096 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 17:32:16,096 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 17:32:16,096 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-31 17:32:16,096 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 17:32:16,097 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-31 17:32:16,097 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-31 17:32:16,097 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 -> bf24cd7b916b23b6d1ee7fcafd0e5b379d458909 [2018-12-31 17:32:16,158 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 17:32:16,174 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 17:32:16,182 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 17:32:16,184 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 17:32:16,185 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 17:32:16,186 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-ext/48_ticket_lock_low_contention_vs_true-unreach-call.i [2018-12-31 17:32:16,255 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20cf1c8ee/54f4dc4c90454646ad091a0a8861b568/FLAG4363e3b53 [2018-12-31 17:32:16,838 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 17:32:16,839 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-ext/48_ticket_lock_low_contention_vs_true-unreach-call.i [2018-12-31 17:32:16,854 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20cf1c8ee/54f4dc4c90454646ad091a0a8861b568/FLAG4363e3b53 [2018-12-31 17:32:17,106 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20cf1c8ee/54f4dc4c90454646ad091a0a8861b568 [2018-12-31 17:32:17,109 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 17:32:17,111 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 17:32:17,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 17:32:17,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 17:32:17,116 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 17:32:17,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 05:32:17" (1/1) ... [2018-12-31 17:32:17,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50c9968d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:17, skipping insertion in model container [2018-12-31 17:32:17,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 05:32:17" (1/1) ... [2018-12-31 17:32:17,128 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 17:32:17,184 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 17:32:17,576 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 17:32:17,593 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 17:32:17,752 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 17:32:17,826 INFO L195 MainTranslator]: Completed translation [2018-12-31 17:32:17,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:17 WrapperNode [2018-12-31 17:32:17,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 17:32:17,828 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 17:32:17,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 17:32:17,828 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 17:32:17,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:17" (1/1) ... [2018-12-31 17:32:17,858 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:17" (1/1) ... [2018-12-31 17:32:17,885 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 17:32:17,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 17:32:17,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 17:32:17,885 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 17:32:17,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:17" (1/1) ... [2018-12-31 17:32:17,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:17" (1/1) ... [2018-12-31 17:32:17,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:17" (1/1) ... [2018-12-31 17:32:17,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:17" (1/1) ... [2018-12-31 17:32:17,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:17" (1/1) ... [2018-12-31 17:32:17,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:17" (1/1) ... [2018-12-31 17:32:17,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:17" (1/1) ... [2018-12-31 17:32:17,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 17:32:17,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 17:32:17,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 17:32:17,926 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 17:32:17,928 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:17" (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 [2018-12-31 17:32:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-31 17:32:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-31 17:32:17,992 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-31 17:32:17,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 17:32:17,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 17:32:17,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-31 17:32:17,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 17:32:17,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 17:32:17,995 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-31 17:32:18,156 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2018-12-31 17:32:18,384 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2018-12-31 17:32:18,548 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 17:32:18,548 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-12-31 17:32:18,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 05:32:18 BoogieIcfgContainer [2018-12-31 17:32:18,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 17:32:18,550 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 17:32:18,550 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 17:32:18,553 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 17:32:18,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 05:32:17" (1/3) ... [2018-12-31 17:32:18,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14d630bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 05:32:18, skipping insertion in model container [2018-12-31 17:32:18,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:17" (2/3) ... [2018-12-31 17:32:18,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14d630bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 05:32:18, skipping insertion in model container [2018-12-31 17:32:18,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 05:32:18" (3/3) ... [2018-12-31 17:32:18,557 INFO L112 eAbstractionObserver]: Analyzing ICFG 48_ticket_lock_low_contention_vs_true-unreach-call.i [2018-12-31 17:32:18,588 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:18,590 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:18,590 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:18,590 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:18,591 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:18,592 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:18,593 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:18,593 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:18,593 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:18,594 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:18,594 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:18,594 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:18,594 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:18,595 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:18,595 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:18,595 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:18,597 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:18,597 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:18,598 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:18,598 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:18,598 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:18,599 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:18,599 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:18,599 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:18,599 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:18,600 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:18,600 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:18,606 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-31 17:32:18,606 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 17:32:18,614 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-31 17:32:18,632 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-31 17:32:18,657 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 17:32:18,658 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 17:32:18,658 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 17:32:18,658 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 17:32:18,658 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 17:32:18,658 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 17:32:18,658 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 17:32:18,658 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 17:32:18,658 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 17:32:18,668 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 63places, 69 transitions [2018-12-31 17:32:18,682 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) [2018-12-31 17:32:18,685 INFO L168 Benchmark]: Toolchain (without parser) took 1575.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -109.8 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-12-31 17:32:18,688 INFO L168 Benchmark]: CDTParser took 0.54 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. [2018-12-31 17:32:18,688 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -148.6 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. [2018-12-31 17:32:18,689 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.51 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. [2018-12-31 17:32:18,691 INFO L168 Benchmark]: Boogie Preprocessor took 40.51 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. [2018-12-31 17:32:18,691 INFO L168 Benchmark]: RCFGBuilder took 622.94 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: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-31 17:32:18,692 INFO L168 Benchmark]: TraceAbstraction took 134.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-12-31 17:32:18,698 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 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 715.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -148.6 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.51 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 40.51 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 622.94 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: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 134.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 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_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...