./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 0ed9222f 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 0.1.24-0ed9222-m [2019-01-12 22:27:50,358 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 22:27:50,362 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 22:27:50,378 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 22:27:50,378 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 22:27:50,379 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 22:27:50,381 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 22:27:50,383 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 22:27:50,385 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 22:27:50,386 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 22:27:50,387 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 22:27:50,387 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 22:27:50,388 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 22:27:50,390 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 22:27:50,391 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 22:27:50,392 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 22:27:50,393 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 22:27:50,395 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 22:27:50,397 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 22:27:50,399 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 22:27:50,401 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 22:27:50,402 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 22:27:50,405 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 22:27:50,405 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 22:27:50,406 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 22:27:50,407 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 22:27:50,408 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 22:27:50,409 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 22:27:50,410 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 22:27:50,412 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 22:27:50,412 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 22:27:50,413 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 22:27:50,413 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 22:27:50,413 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 22:27:50,414 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 22:27:50,415 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 22:27:50,415 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 22:27:50,434 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 22:27:50,434 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 22:27:50,436 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 22:27:50,437 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 22:27:50,437 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 22:27:50,437 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 22:27:50,437 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 22:27:50,437 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 22:27:50,438 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 22:27:50,438 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 22:27:50,439 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 22:27:50,439 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 22:27:50,439 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 22:27:50,439 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 22:27:50,439 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 22:27:50,439 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 22:27:50,440 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 22:27:50,440 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 22:27:50,440 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 22:27:50,440 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 22:27:50,441 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 22:27:50,441 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 22:27:50,441 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 22:27:50,441 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 22:27:50,441 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 22:27:50,442 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 22:27:50,442 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 22:27:50,443 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 22:27:50,443 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 [2019-01-12 22:27:50,484 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 22:27:50,497 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 22:27:50,501 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 22:27:50,503 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 22:27:50,503 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 22:27:50,504 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-ext/48_ticket_lock_low_contention_vs_true-unreach-call.i [2019-01-12 22:27:50,562 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0061b0b5f/2aa390e956ec4dd59beac2dba1d36f34/FLAG1340d106e [2019-01-12 22:27:51,044 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 22:27:51,046 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-ext/48_ticket_lock_low_contention_vs_true-unreach-call.i [2019-01-12 22:27:51,059 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0061b0b5f/2aa390e956ec4dd59beac2dba1d36f34/FLAG1340d106e [2019-01-12 22:27:51,334 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0061b0b5f/2aa390e956ec4dd59beac2dba1d36f34 [2019-01-12 22:27:51,340 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 22:27:51,341 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 22:27:51,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 22:27:51,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 22:27:51,349 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 22:27:51,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 10:27:51" (1/1) ... [2019-01-12 22:27:51,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21a146d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:27:51, skipping insertion in model container [2019-01-12 22:27:51,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 10:27:51" (1/1) ... [2019-01-12 22:27:51,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 22:27:51,418 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 22:27:51,834 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 22:27:51,852 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 22:27:51,965 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 22:27:52,046 INFO L195 MainTranslator]: Completed translation [2019-01-12 22:27:52,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:27:52 WrapperNode [2019-01-12 22:27:52,047 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 22:27:52,048 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 22:27:52,048 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 22:27:52,048 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 22:27:52,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:27:52" (1/1) ... [2019-01-12 22:27:52,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:27:52" (1/1) ... [2019-01-12 22:27:52,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 22:27:52,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 22:27:52,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 22:27:52,111 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 22:27:52,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:27:52" (1/1) ... [2019-01-12 22:27:52,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:27:52" (1/1) ... [2019-01-12 22:27:52,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:27:52" (1/1) ... [2019-01-12 22:27:52,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:27:52" (1/1) ... [2019-01-12 22:27:52,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:27:52" (1/1) ... [2019-01-12 22:27:52,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:27:52" (1/1) ... [2019-01-12 22:27:52,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:27:52" (1/1) ... [2019-01-12 22:27:52,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 22:27:52,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 22:27:52,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 22:27:52,139 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 22:27:52,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:27:52" (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 [2019-01-12 22:27:52,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-12 22:27:52,192 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-01-12 22:27:52,192 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-01-12 22:27:52,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-12 22:27:52,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 22:27:52,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 22:27:52,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 22:27:52,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 22:27:52,195 WARN L204 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-01-12 22:27:52,357 INFO L1501 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2019-01-12 22:27:52,557 INFO L1501 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2019-01-12 22:27:52,701 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 22:27:52,701 INFO L286 CfgBuilder]: Removed 9 assue(true) statements. [2019-01-12 22:27:52,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 10:27:52 BoogieIcfgContainer [2019-01-12 22:27:52,702 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 22:27:52,703 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 22:27:52,704 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 22:27:52,707 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 22:27:52,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 10:27:51" (1/3) ... [2019-01-12 22:27:52,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@140a04fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 10:27:52, skipping insertion in model container [2019-01-12 22:27:52,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:27:52" (2/3) ... [2019-01-12 22:27:52,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@140a04fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 10:27:52, skipping insertion in model container [2019-01-12 22:27:52,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 10:27:52" (3/3) ... [2019-01-12 22:27:52,710 INFO L112 eAbstractionObserver]: Analyzing ICFG 48_ticket_lock_low_contention_vs_true-unreach-call.i [2019-01-12 22:27:52,742 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:52,742 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:52,742 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:52,742 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:52,743 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:52,743 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:52,744 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:52,744 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:52,744 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:52,744 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:52,744 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:52,745 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:52,745 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:52,745 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:52,745 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:52,746 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:52,746 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:52,746 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:52,746 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:52,747 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:52,747 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:52,747 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:52,747 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:52,748 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:52,748 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:52,748 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:52,748 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:52,760 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-01-12 22:27:52,760 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 22:27:52,772 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-01-12 22:27:52,791 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-01-12 22:27:52,812 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 22:27:52,813 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 22:27:52,813 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 22:27:52,813 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 22:27:52,813 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 22:27:52,813 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 22:27:52,813 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 22:27:52,814 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 22:27:52,814 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 22:27:52,822 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 64places, 70 transitions [2019-01-12 22:27:52,836 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) [2019-01-12 22:27:52,839 INFO L168 Benchmark]: Toolchain (without parser) took 1498.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -135.9 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. [2019-01-12 22:27:52,840 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 22:27:52,841 INFO L168 Benchmark]: CACSL2BoogieTranslator took 705.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -174.0 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2019-01-12 22:27:52,842 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.38 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. [2019-01-12 22:27:52,843 INFO L168 Benchmark]: Boogie Preprocessor took 28.13 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. [2019-01-12 22:27:52,843 INFO L168 Benchmark]: RCFGBuilder took 563.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2019-01-12 22:27:52,844 INFO L168 Benchmark]: TraceAbstraction took 134.62 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-01-12 22:27:52,849 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 705.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -174.0 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 62.38 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 28.13 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 563.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 134.62 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_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 0.1.24-0ed9222-m [2019-01-12 22:27:55,049 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 22:27:55,051 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 22:27:55,063 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 22:27:55,063 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 22:27:55,064 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 22:27:55,066 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 22:27:55,068 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 22:27:55,070 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 22:27:55,071 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 22:27:55,072 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 22:27:55,072 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 22:27:55,073 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 22:27:55,074 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 22:27:55,076 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 22:27:55,077 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 22:27:55,078 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 22:27:55,080 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 22:27:55,082 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 22:27:55,084 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 22:27:55,085 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 22:27:55,087 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 22:27:55,090 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 22:27:55,090 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 22:27:55,090 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 22:27:55,091 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 22:27:55,093 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 22:27:55,094 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 22:27:55,095 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 22:27:55,096 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 22:27:55,097 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 22:27:55,097 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 22:27:55,098 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 22:27:55,098 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 22:27:55,099 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 22:27:55,101 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 22:27:55,101 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-12 22:27:55,124 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 22:27:55,125 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 22:27:55,127 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 22:27:55,128 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 22:27:55,128 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 22:27:55,128 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 22:27:55,129 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 22:27:55,130 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 22:27:55,130 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 22:27:55,130 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 22:27:55,130 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 22:27:55,130 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 22:27:55,130 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-12 22:27:55,131 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-12 22:27:55,131 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 22:27:55,131 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 22:27:55,131 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 22:27:55,131 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 22:27:55,132 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 22:27:55,133 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 22:27:55,134 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 22:27:55,134 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 22:27:55,134 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 22:27:55,134 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 22:27:55,134 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 22:27:55,135 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 22:27:55,136 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-12 22:27:55,136 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 22:27:55,136 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-12 22:27:55,136 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-12 22:27:55,137 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 [2019-01-12 22:27:55,183 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 22:27:55,196 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 22:27:55,201 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 22:27:55,202 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 22:27:55,203 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 22:27:55,203 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-ext/48_ticket_lock_low_contention_vs_true-unreach-call.i [2019-01-12 22:27:55,276 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5eb16749e/4f51c8a348974ad1a6d9a1d72e953634/FLAG66267e475 [2019-01-12 22:27:55,789 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 22:27:55,792 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-ext/48_ticket_lock_low_contention_vs_true-unreach-call.i [2019-01-12 22:27:55,806 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5eb16749e/4f51c8a348974ad1a6d9a1d72e953634/FLAG66267e475 [2019-01-12 22:27:56,056 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5eb16749e/4f51c8a348974ad1a6d9a1d72e953634 [2019-01-12 22:27:56,060 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 22:27:56,062 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 22:27:56,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 22:27:56,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 22:27:56,068 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 22:27:56,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 10:27:56" (1/1) ... [2019-01-12 22:27:56,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4620c393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:27:56, skipping insertion in model container [2019-01-12 22:27:56,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 10:27:56" (1/1) ... [2019-01-12 22:27:56,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 22:27:56,124 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 22:27:56,557 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 22:27:56,580 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 22:27:56,714 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 22:27:56,793 INFO L195 MainTranslator]: Completed translation [2019-01-12 22:27:56,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:27:56 WrapperNode [2019-01-12 22:27:56,794 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 22:27:56,796 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 22:27:56,796 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 22:27:56,796 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 22:27:56,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:27:56" (1/1) ... [2019-01-12 22:27:56,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:27:56" (1/1) ... [2019-01-12 22:27:56,867 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 22:27:56,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 22:27:56,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 22:27:56,871 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 22:27:56,880 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:27:56" (1/1) ... [2019-01-12 22:27:56,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:27:56" (1/1) ... [2019-01-12 22:27:56,884 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:27:56" (1/1) ... [2019-01-12 22:27:56,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:27:56" (1/1) ... [2019-01-12 22:27:56,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:27:56" (1/1) ... [2019-01-12 22:27:56,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:27:56" (1/1) ... [2019-01-12 22:27:56,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:27:56" (1/1) ... [2019-01-12 22:27:56,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 22:27:56,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 22:27:56,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 22:27:56,912 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 22:27:56,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:27:56" (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 [2019-01-12 22:27:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-12 22:27:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-01-12 22:27:56,993 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-01-12 22:27:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 22:27:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 22:27:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-12 22:27:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 22:27:56,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 22:27:56,998 WARN L204 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-01-12 22:27:57,243 INFO L1501 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2019-01-12 22:27:57,560 INFO L1501 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2019-01-12 22:27:57,749 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 22:27:57,750 INFO L286 CfgBuilder]: Removed 9 assue(true) statements. [2019-01-12 22:27:57,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 10:27:57 BoogieIcfgContainer [2019-01-12 22:27:57,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 22:27:57,752 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 22:27:57,752 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 22:27:57,755 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 22:27:57,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 10:27:56" (1/3) ... [2019-01-12 22:27:57,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1934452f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 10:27:57, skipping insertion in model container [2019-01-12 22:27:57,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:27:56" (2/3) ... [2019-01-12 22:27:57,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1934452f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 10:27:57, skipping insertion in model container [2019-01-12 22:27:57,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 10:27:57" (3/3) ... [2019-01-12 22:27:57,759 INFO L112 eAbstractionObserver]: Analyzing ICFG 48_ticket_lock_low_contention_vs_true-unreach-call.i [2019-01-12 22:27:57,792 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:57,793 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:57,793 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:57,793 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:57,793 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:57,794 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:57,794 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:57,794 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:57,794 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:57,795 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:57,795 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:57,795 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:57,795 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:57,796 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:57,796 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:57,796 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:57,796 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:57,797 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:57,797 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:57,797 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:57,797 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:57,798 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:57,798 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:57,798 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:57,798 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:57,799 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:57,799 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:27:57,815 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-01-12 22:27:57,815 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 22:27:57,828 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-01-12 22:27:57,846 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-01-12 22:27:57,870 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 22:27:57,871 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 22:27:57,871 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 22:27:57,871 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 22:27:57,871 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 22:27:57,871 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 22:27:57,871 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 22:27:57,871 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 22:27:57,871 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 22:27:57,880 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 64places, 70 transitions [2019-01-12 22:27:57,894 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) [2019-01-12 22:27:57,897 INFO L168 Benchmark]: Toolchain (without parser) took 1836.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 951.3 MB in the beginning and 1.0 GB in the end (delta: -63.3 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. [2019-01-12 22:27:57,899 INFO L168 Benchmark]: CDTParser took 0.15 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. [2019-01-12 22:27:57,899 INFO L168 Benchmark]: CACSL2BoogieTranslator took 731.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -107.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. [2019-01-12 22:27:57,901 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.64 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 22:27:57,901 INFO L168 Benchmark]: Boogie Preprocessor took 41.17 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 22:27:57,902 INFO L168 Benchmark]: RCFGBuilder took 839.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. [2019-01-12 22:27:57,903 INFO L168 Benchmark]: TraceAbstraction took 144.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2019-01-12 22:27:57,907 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 731.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -107.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 74.64 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.17 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 839.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 144.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 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...