./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/pthread-ext/47_ticket_lock_hc_backoff_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/47_ticket_lock_hc_backoff_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 e4844c64ae7d01bd77f480febddce6547020bcda ........................................................................................................................................................................................................................................... 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/47_ticket_lock_hc_backoff_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 e4844c64ae7d01bd77f480febddce6547020bcda ............................................................................................................................................................................................................................................. 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 17:32:04,451 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 17:32:04,453 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 17:32:04,466 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 17:32:04,467 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 17:32:04,468 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 17:32:04,469 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 17:32:04,472 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 17:32:04,474 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 17:32:04,475 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 17:32:04,476 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 17:32:04,477 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 17:32:04,478 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 17:32:04,479 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 17:32:04,481 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 17:32:04,482 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 17:32:04,483 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 17:32:04,485 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 17:32:04,487 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 17:32:04,490 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 17:32:04,491 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 17:32:04,493 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 17:32:04,496 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 17:32:04,496 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 17:32:04,496 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 17:32:04,497 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 17:32:04,499 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 17:32:04,500 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 17:32:04,501 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 17:32:04,503 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 17:32:04,503 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 17:32:04,504 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 17:32:04,505 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 17:32:04,505 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 17:32:04,506 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 17:32:04,508 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 17:32:04,508 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 17:32:04,525 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 17:32:04,525 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 17:32:04,526 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 17:32:04,527 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 17:32:04,527 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 17:32:04,528 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 17:32:04,528 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 17:32:04,528 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 17:32:04,528 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 17:32:04,529 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 17:32:04,529 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 17:32:04,529 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 17:32:04,530 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 17:32:04,531 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 17:32:04,531 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 17:32:04,531 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 17:32:04,532 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 17:32:04,532 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 17:32:04,532 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 17:32:04,532 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 17:32:04,533 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 17:32:04,534 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 17:32:04,534 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 17:32:04,534 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 17:32:04,534 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 17:32:04,535 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 17:32:04,535 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 17:32:04,536 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 17:32:04,536 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 -> e4844c64ae7d01bd77f480febddce6547020bcda [2018-12-31 17:32:04,574 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 17:32:04,587 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 17:32:04,591 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 17:32:04,593 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 17:32:04,593 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 17:32:04,595 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-ext/47_ticket_lock_hc_backoff_vs_true-unreach-call.i [2018-12-31 17:32:04,663 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7ba22e9d/e623e6a4bfb64a53bd38e819b955b8a3/FLAGf35f823b1 [2018-12-31 17:32:05,203 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 17:32:05,204 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-ext/47_ticket_lock_hc_backoff_vs_true-unreach-call.i [2018-12-31 17:32:05,221 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7ba22e9d/e623e6a4bfb64a53bd38e819b955b8a3/FLAGf35f823b1 [2018-12-31 17:32:05,496 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7ba22e9d/e623e6a4bfb64a53bd38e819b955b8a3 [2018-12-31 17:32:05,500 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 17:32:05,501 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 17:32:05,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 17:32:05,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 17:32:05,508 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 17:32:05,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 05:32:05" (1/1) ... [2018-12-31 17:32:05,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7055dd62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:05, skipping insertion in model container [2018-12-31 17:32:05,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 05:32:05" (1/1) ... [2018-12-31 17:32:05,523 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 17:32:05,580 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 17:32:06,004 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 17:32:06,025 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 17:32:06,122 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 17:32:06,308 INFO L195 MainTranslator]: Completed translation [2018-12-31 17:32:06,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:06 WrapperNode [2018-12-31 17:32:06,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 17:32:06,311 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 17:32:06,311 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 17:32:06,311 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 17:32:06,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:06" (1/1) ... [2018-12-31 17:32:06,341 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:06" (1/1) ... [2018-12-31 17:32:06,374 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 17:32:06,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 17:32:06,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 17:32:06,375 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 17:32:06,386 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:06" (1/1) ... [2018-12-31 17:32:06,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:06" (1/1) ... [2018-12-31 17:32:06,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:06" (1/1) ... [2018-12-31 17:32:06,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:06" (1/1) ... [2018-12-31 17:32:06,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:06" (1/1) ... [2018-12-31 17:32:06,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:06" (1/1) ... [2018-12-31 17:32:06,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:06" (1/1) ... [2018-12-31 17:32:06,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 17:32:06,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 17:32:06,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 17:32:06,441 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 17:32:06,442 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:06" (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 17:32:06,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-31 17:32:06,511 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-31 17:32:06,512 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-31 17:32:06,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-31 17:32:06,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 17:32:06,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 17:32:06,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 17:32:06,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 17:32:06,515 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 17:32:06,651 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2018-12-31 17:32:06,915 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2018-12-31 17:32:07,071 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 17:32:07,072 INFO L280 CfgBuilder]: Removed 11 assue(true) statements. [2018-12-31 17:32:07,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 05:32:07 BoogieIcfgContainer [2018-12-31 17:32:07,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 17:32:07,073 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 17:32:07,073 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 17:32:07,077 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 17:32:07,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 05:32:05" (1/3) ... [2018-12-31 17:32:07,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7124d545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 05:32:07, skipping insertion in model container [2018-12-31 17:32:07,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:06" (2/3) ... [2018-12-31 17:32:07,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7124d545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 05:32:07, skipping insertion in model container [2018-12-31 17:32:07,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 05:32:07" (3/3) ... [2018-12-31 17:32:07,080 INFO L112 eAbstractionObserver]: Analyzing ICFG 47_ticket_lock_hc_backoff_vs_true-unreach-call.i [2018-12-31 17:32:07,115 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:07,116 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:07,116 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:07,116 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:07,117 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:07,117 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:07,117 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:07,118 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:07,118 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:07,118 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:07,118 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:07,118 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:07,118 WARN L317 ript$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 17:32:07,119 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:07,119 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:07,119 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:07,119 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:07,120 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:07,120 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:07,120 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:07,121 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:07,121 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:07,121 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:07,121 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:07,121 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:07,122 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:07,122 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:07,138 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-31 17:32:07,139 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 17:32:07,148 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-31 17:32:07,167 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-31 17:32:07,193 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 17:32:07,193 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 17:32:07,194 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 17:32:07,194 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 17:32:07,194 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 17:32:07,194 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 17:32:07,194 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 17:32:07,194 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 17:32:07,194 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 17:32:07,204 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 68places, 80 transitions [2018-12-31 17:32:07,218 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 17:32:07,222 INFO L168 Benchmark]: Toolchain (without parser) took 1721.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -169.1 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2018-12-31 17:32:07,224 INFO L168 Benchmark]: CDTParser took 0.17 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 17:32:07,224 INFO L168 Benchmark]: CACSL2BoogieTranslator took 807.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 947.3 MB in the beginning and 1.2 GB in the end (delta: -211.4 MB). Peak memory consumption was 42.7 MB. Max. memory is 11.5 GB. [2018-12-31 17:32:07,225 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. [2018-12-31 17:32:07,226 INFO L168 Benchmark]: Boogie Preprocessor took 65.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 17:32:07,227 INFO L168 Benchmark]: RCFGBuilder took 632.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2018-12-31 17:32:07,228 INFO L168 Benchmark]: TraceAbstraction took 147.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2018-12-31 17:32:07,233 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 807.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 947.3 MB in the beginning and 1.2 GB in the end (delta: -211.4 MB). Peak memory consumption was 42.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 65.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 632.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 147.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 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... ### Bit-precise run ### This is Ultimate 0.1.24-2e94e6a [2018-12-31 17:32:09,718 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 17:32:09,720 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 17:32:09,738 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 17:32:09,738 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 17:32:09,740 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 17:32:09,741 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 17:32:09,744 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 17:32:09,747 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 17:32:09,749 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 17:32:09,752 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 17:32:09,752 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 17:32:09,754 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 17:32:09,756 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 17:32:09,759 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 17:32:09,766 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 17:32:09,767 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 17:32:09,771 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 17:32:09,773 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 17:32:09,776 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 17:32:09,779 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 17:32:09,782 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 17:32:09,786 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 17:32:09,786 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 17:32:09,786 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 17:32:09,787 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 17:32:09,790 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 17:32:09,791 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 17:32:09,792 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 17:32:09,795 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 17:32:09,795 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 17:32:09,797 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 17:32:09,797 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 17:32:09,797 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 17:32:09,798 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 17:32:09,799 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 17:32:09,800 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-31 17:32:09,828 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 17:32:09,829 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 17:32:09,830 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 17:32:09,831 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 17:32:09,831 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 17:32:09,831 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 17:32:09,831 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 17:32:09,831 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 17:32:09,834 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 17:32:09,834 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 17:32:09,834 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 17:32:09,834 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 17:32:09,835 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-31 17:32:09,835 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-31 17:32:09,835 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 17:32:09,835 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 17:32:09,835 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 17:32:09,836 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 17:32:09,836 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 17:32:09,836 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 17:32:09,836 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 17:32:09,836 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 17:32:09,836 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 17:32:09,838 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 17:32:09,838 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 17:32:09,839 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 17:32:09,839 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-31 17:32:09,839 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 17:32:09,839 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-31 17:32:09,839 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-31 17:32:09,839 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 -> e4844c64ae7d01bd77f480febddce6547020bcda [2018-12-31 17:32:09,904 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 17:32:09,931 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 17:32:09,937 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 17:32:09,938 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 17:32:09,939 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 17:32:09,939 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-ext/47_ticket_lock_hc_backoff_vs_true-unreach-call.i [2018-12-31 17:32:10,007 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b945fa13/d35c3b8fb4a64a2ba47f3a49468ecb9f/FLAG5849b3b9e [2018-12-31 17:32:10,533 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 17:32:10,534 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-ext/47_ticket_lock_hc_backoff_vs_true-unreach-call.i [2018-12-31 17:32:10,547 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b945fa13/d35c3b8fb4a64a2ba47f3a49468ecb9f/FLAG5849b3b9e [2018-12-31 17:32:10,846 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b945fa13/d35c3b8fb4a64a2ba47f3a49468ecb9f [2018-12-31 17:32:10,850 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 17:32:10,851 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 17:32:10,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 17:32:10,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 17:32:10,859 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 17:32:10,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 05:32:10" (1/1) ... [2018-12-31 17:32:10,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b7ece5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:10, skipping insertion in model container [2018-12-31 17:32:10,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 05:32:10" (1/1) ... [2018-12-31 17:32:10,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 17:32:10,937 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 17:32:11,378 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 17:32:11,395 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 17:32:11,568 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 17:32:11,664 INFO L195 MainTranslator]: Completed translation [2018-12-31 17:32:11,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:11 WrapperNode [2018-12-31 17:32:11,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 17:32:11,666 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 17:32:11,666 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 17:32:11,666 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 17:32:11,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:11" (1/1) ... [2018-12-31 17:32:11,696 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:11" (1/1) ... [2018-12-31 17:32:11,726 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 17:32:11,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 17:32:11,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 17:32:11,727 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 17:32:11,736 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:11" (1/1) ... [2018-12-31 17:32:11,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:11" (1/1) ... [2018-12-31 17:32:11,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:11" (1/1) ... [2018-12-31 17:32:11,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:11" (1/1) ... [2018-12-31 17:32:11,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:11" (1/1) ... [2018-12-31 17:32:11,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:11" (1/1) ... [2018-12-31 17:32:11,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:11" (1/1) ... [2018-12-31 17:32:11,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 17:32:11,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 17:32:11,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 17:32:11,763 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 17:32:11,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:11" (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 17:32:11,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-31 17:32:11,839 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-31 17:32:11,840 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-31 17:32:11,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 17:32:11,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 17:32:11,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-31 17:32:11,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 17:32:11,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 17:32:11,842 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 17:32:12,044 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2018-12-31 17:32:12,264 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2018-12-31 17:32:12,469 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 17:32:12,469 INFO L280 CfgBuilder]: Removed 11 assue(true) statements. [2018-12-31 17:32:12,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 05:32:12 BoogieIcfgContainer [2018-12-31 17:32:12,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 17:32:12,471 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 17:32:12,471 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 17:32:12,475 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 17:32:12,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 05:32:10" (1/3) ... [2018-12-31 17:32:12,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c13ce84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 05:32:12, skipping insertion in model container [2018-12-31 17:32:12,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:32:11" (2/3) ... [2018-12-31 17:32:12,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c13ce84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 05:32:12, skipping insertion in model container [2018-12-31 17:32:12,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 05:32:12" (3/3) ... [2018-12-31 17:32:12,478 INFO L112 eAbstractionObserver]: Analyzing ICFG 47_ticket_lock_hc_backoff_vs_true-unreach-call.i [2018-12-31 17:32:12,513 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:12,513 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:12,513 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:12,513 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:12,514 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:12,514 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:12,514 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:12,514 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:12,515 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:12,515 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:12,515 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:12,515 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:12,515 WARN L317 ript$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 17:32:12,515 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:12,516 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:12,516 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:12,516 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:12,516 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:12,517 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:12,517 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:12,517 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:12,517 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:12,518 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:12,518 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:12,518 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:12,518 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:12,518 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:32:12,535 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-31 17:32:12,535 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 17:32:12,545 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-31 17:32:12,563 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-31 17:32:12,590 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 17:32:12,590 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 17:32:12,590 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 17:32:12,591 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 17:32:12,591 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 17:32:12,591 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 17:32:12,591 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 17:32:12,591 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 17:32:12,591 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 17:32:12,601 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 67places, 79 transitions [2018-12-31 17:32:12,614 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 17:32:12,617 INFO L168 Benchmark]: Toolchain (without parser) took 1766.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -127.1 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2018-12-31 17:32:12,619 INFO L168 Benchmark]: CDTParser took 0.59 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. [2018-12-31 17:32:12,620 INFO L168 Benchmark]: CACSL2BoogieTranslator took 813.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -165.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. [2018-12-31 17:32:12,621 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.72 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 17:32:12,621 INFO L168 Benchmark]: Boogie Preprocessor took 35.15 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 17:32:12,622 INFO L168 Benchmark]: RCFGBuilder took 707.41 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-12-31 17:32:12,623 INFO L168 Benchmark]: TraceAbstraction took 145.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-31 17:32:12,628 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 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 813.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -165.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.72 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 35.15 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 707.41 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 145.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * 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...