/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=24.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b665a9c [2020-09-29 12:04:22,482 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-29 12:04:22,487 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-29 12:04:22,532 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-29 12:04:22,532 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-29 12:04:22,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-29 12:04:22,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-29 12:04:22,549 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-29 12:04:22,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-29 12:04:22,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-29 12:04:22,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-29 12:04:22,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-29 12:04:22,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-29 12:04:22,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-29 12:04:22,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-29 12:04:22,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-29 12:04:22,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-29 12:04:22,568 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-29 12:04:22,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-29 12:04:22,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-29 12:04:22,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-29 12:04:22,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-29 12:04:22,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-29 12:04:22,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-29 12:04:22,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-29 12:04:22,597 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-29 12:04:22,597 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-29 12:04:22,598 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-29 12:04:22,604 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-29 12:04:22,606 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-29 12:04:22,606 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-29 12:04:22,611 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-29 12:04:22,613 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-29 12:04:22,613 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-29 12:04:22,614 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-29 12:04:22,615 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-29 12:04:22,615 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-29 12:04:22,616 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-29 12:04:22,616 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-29 12:04:22,617 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-29 12:04:22,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-29 12:04:22,620 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-29 12:04:22,662 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-29 12:04:22,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-29 12:04:22,664 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-29 12:04:22,665 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-29 12:04:22,665 INFO L138 SettingsManager]: * Use SBE=true [2020-09-29 12:04:22,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-29 12:04:22,666 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-29 12:04:22,666 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-29 12:04:22,666 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-29 12:04:22,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-29 12:04:22,667 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-29 12:04:22,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-29 12:04:22,668 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-29 12:04:22,668 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-29 12:04:22,668 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-29 12:04:22,668 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-29 12:04:22,669 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-29 12:04:22,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-29 12:04:22,669 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-29 12:04:22,669 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-29 12:04:22,669 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-29 12:04:22,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-29 12:04:22,670 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-29 12:04:22,670 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-29 12:04:22,670 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-29 12:04:22,670 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-29 12:04:22,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-29 12:04:22,671 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-29 12:04:22,671 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-29 12:04:22,671 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-29 12:04:23,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-29 12:04:23,140 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-29 12:04:23,144 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-29 12:04:23,146 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-09-29 12:04:23,146 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-09-29 12:04:23,148 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=24.bpl [2020-09-29 12:04:23,148 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=24.bpl' [2020-09-29 12:04:23,213 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-29 12:04:23,220 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-29 12:04:23,221 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-29 12:04:23,221 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-29 12:04:23,221 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-29 12:04:23,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:04:23" (1/1) ... [2020-09-29 12:04:23,266 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:04:23" (1/1) ... [2020-09-29 12:04:23,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-29 12:04:23,281 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-29 12:04:23,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-29 12:04:23,281 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-29 12:04:23,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:04:23" (1/1) ... [2020-09-29 12:04:23,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:04:23" (1/1) ... [2020-09-29 12:04:23,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:04:23" (1/1) ... [2020-09-29 12:04:23,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:04:23" (1/1) ... [2020-09-29 12:04:23,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:04:23" (1/1) ... [2020-09-29 12:04:23,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:04:23" (1/1) ... [2020-09-29 12:04:23,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:04:23" (1/1) ... [2020-09-29 12:04:23,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-29 12:04:23,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-29 12:04:23,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-29 12:04:23,353 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-29 12:04:23,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:04:23" (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 [2020-09-29 12:04:23,465 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-09-29 12:04:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-09-29 12:04:23,467 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-09-29 12:04:23,468 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-09-29 12:04:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-09-29 12:04:23,468 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-09-29 12:04:23,468 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-09-29 12:04:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-09-29 12:04:23,469 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-09-29 12:04:23,469 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-09-29 12:04:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-09-29 12:04:23,469 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-09-29 12:04:23,470 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-09-29 12:04:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-09-29 12:04:23,470 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-09-29 12:04:23,470 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-09-29 12:04:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-09-29 12:04:23,471 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-09-29 12:04:23,471 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-09-29 12:04:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-09-29 12:04:23,471 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-09-29 12:04:23,472 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-09-29 12:04:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-09-29 12:04:23,473 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-09-29 12:04:23,479 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-09-29 12:04:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-09-29 12:04:23,480 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-09-29 12:04:23,482 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-09-29 12:04:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-09-29 12:04:23,482 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-09-29 12:04:23,483 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-09-29 12:04:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-09-29 12:04:23,483 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-09-29 12:04:23,484 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-09-29 12:04:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-09-29 12:04:23,485 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-09-29 12:04:23,485 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-09-29 12:04:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-09-29 12:04:23,485 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-09-29 12:04:23,486 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-09-29 12:04:23,486 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-09-29 12:04:23,486 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-09-29 12:04:23,486 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-09-29 12:04:23,486 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-09-29 12:04:23,487 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-09-29 12:04:23,487 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-09-29 12:04:23,487 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-09-29 12:04:23,487 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-09-29 12:04:23,488 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-09-29 12:04:23,488 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-09-29 12:04:23,488 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-09-29 12:04:23,488 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-09-29 12:04:23,488 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-09-29 12:04:23,488 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-09-29 12:04:23,489 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-09-29 12:04:23,489 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-09-29 12:04:23,489 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-09-29 12:04:23,489 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-09-29 12:04:23,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-29 12:04:23,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-29 12:04:23,490 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-09-29 12:04:23,491 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-09-29 12:04:23,491 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-09-29 12:04:23,491 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-09-29 12:04:23,491 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-09-29 12:04:23,491 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-09-29 12:04:23,492 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-09-29 12:04:23,492 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-09-29 12:04:23,492 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-09-29 12:04:23,493 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-09-29 12:04:23,493 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-09-29 12:04:23,493 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-09-29 12:04:23,493 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-09-29 12:04:23,494 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-09-29 12:04:23,494 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-09-29 12:04:23,496 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-29 12:04:23,813 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-29 12:04:23,813 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-09-29 12:04:23,818 INFO L202 PluginConnector]: Adding new model example2_N=24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 12:04:23 BoogieIcfgContainer [2020-09-29 12:04:23,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-29 12:04:23,820 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-29 12:04:23,820 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-29 12:04:23,824 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-29 12:04:23,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:04:23" (1/2) ... [2020-09-29 12:04:23,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bc01ba4 and model type example2_N=24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 12:04:23, skipping insertion in model container [2020-09-29 12:04:23,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 12:04:23" (2/2) ... [2020-09-29 12:04:23,829 INFO L109 eAbstractionObserver]: Analyzing ICFG example2_N=24.bpl [2020-09-29 12:04:23,842 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-29 12:04:23,843 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-29 12:04:23,863 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-29 12:04:23,864 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-29 12:04:24,313 INFO L251 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2020-09-29 12:04:24,342 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-29 12:04:24,343 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-29 12:04:24,343 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-29 12:04:24,343 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-29 12:04:24,343 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-29 12:04:24,343 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-29 12:04:24,344 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-29 12:04:24,344 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-29 12:04:24,368 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 173 places, 124 transitions, 440 flow [2020-09-29 12:04:24,370 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 173 places, 124 transitions, 440 flow [2020-09-29 12:04:24,458 INFO L129 PetriNetUnfolder]: 24/100 cut-off events. [2020-09-29 12:04:24,459 INFO L130 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2020-09-29 12:04:24,468 INFO L80 FinitePrefix]: Finished finitePrefix Result has 197 conditions, 100 events. 24/100 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 77 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 117. Up to 2 conditions per place. [2020-09-29 12:04:24,476 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 173 places, 124 transitions, 440 flow [2020-09-29 12:04:24,541 INFO L129 PetriNetUnfolder]: 24/100 cut-off events. [2020-09-29 12:04:24,542 INFO L130 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2020-09-29 12:04:24,544 INFO L80 FinitePrefix]: Finished finitePrefix Result has 197 conditions, 100 events. 24/100 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 77 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 117. Up to 2 conditions per place. [2020-09-29 12:04:24,549 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 4416 [2020-09-29 12:04:24,551 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-29 12:04:24,675 INFO L206 etLargeBlockEncoding]: Checked pairs total: 0 [2020-09-29 12:04:24,675 INFO L214 etLargeBlockEncoding]: Total number of compositions: 1 [2020-09-29 12:04:24,680 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 172 places, 123 transitions, 438 flow Received shutdown request... [2020-09-29 12:17:42,321 WARN L544 AbstractCegarLoop]: Verification canceled [2020-09-29 12:17:42,331 WARN L228 ceAbstractionStarter]: Timeout [2020-09-29 12:17:42,332 INFO L202 PluginConnector]: Adding new model example2_N=24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 12:17:42 BasicIcfg [2020-09-29 12:17:42,332 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-29 12:17:42,338 INFO L168 Benchmark]: Toolchain (without parser) took 799119.74 ms. Allocated memory was 253.2 MB in the beginning and 8.2 GB in the end (delta: 7.9 GB). Free memory was 228.8 MB in the beginning and 2.3 GB in the end (delta: -2.1 GB). Peak memory consumption was 7.1 GB. Max. memory is 14.2 GB. [2020-09-29 12:17:42,340 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 253.2 MB. Free memory is still 230.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-09-29 12:17:42,342 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.44 ms. Allocated memory is still 253.2 MB. Free memory was 228.8 MB in the beginning and 227.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-09-29 12:17:42,344 INFO L168 Benchmark]: Boogie Preprocessor took 69.74 ms. Allocated memory is still 253.2 MB. Free memory was 227.1 MB in the beginning and 225.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-09-29 12:17:42,345 INFO L168 Benchmark]: RCFGBuilder took 466.55 ms. Allocated memory is still 253.2 MB. Free memory was 225.4 MB in the beginning and 201.7 MB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 14.2 GB. [2020-09-29 12:17:42,347 INFO L168 Benchmark]: TraceAbstraction took 798512.21 ms. Allocated memory was 253.2 MB in the beginning and 8.2 GB in the end (delta: 7.9 GB). Free memory was 201.7 MB in the beginning and 2.3 GB in the end (delta: -2.1 GB). Peak memory consumption was 7.1 GB. Max. memory is 14.2 GB. [2020-09-29 12:17:42,359 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 253.2 MB. Free memory is still 230.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 59.44 ms. Allocated memory is still 253.2 MB. Free memory was 228.8 MB in the beginning and 227.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 69.74 ms. Allocated memory is still 253.2 MB. Free memory was 227.1 MB in the beginning and 225.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * RCFGBuilder took 466.55 ms. Allocated memory is still 253.2 MB. Free memory was 225.4 MB in the beginning and 201.7 MB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 14.2 GB. * TraceAbstraction took 798512.21 ms. Allocated memory was 253.2 MB in the beginning and 8.2 GB in the end (delta: 7.9 GB). Free memory was 201.7 MB in the beginning and 2.3 GB in the end (delta: -2.1 GB). Peak memory consumption was 7.1 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.3s, 173 ProgramPointsBefore, 172 ProgramPointsAfterwards, 124 TransitionsBefore, 123 TransitionsAfterwards, 4416 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 0 CheckedPairsTotal, 1 TotalNumberOfCompositions - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 58). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 172 places, 123 transitions, 438 flow. Already constructed 625633 states. Currently 238954 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 101 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 797.9s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 797.9s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown