/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 0.1.25-50b6972 [2020-10-06 18:36:18,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 18:36:18,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 18:36:18,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 18:36:18,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 18:36:18,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 18:36:18,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 18:36:18,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 18:36:18,049 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 18:36:18,050 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 18:36:18,051 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 18:36:18,052 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 18:36:18,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 18:36:18,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 18:36:18,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 18:36:18,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 18:36:18,055 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 18:36:18,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 18:36:18,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 18:36:18,059 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 18:36:18,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 18:36:18,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 18:36:18,064 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 18:36:18,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 18:36:18,071 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 18:36:18,071 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 18:36:18,071 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 18:36:18,072 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 18:36:18,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 18:36:18,073 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 18:36:18,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 18:36:18,074 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 18:36:18,075 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 18:36:18,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 18:36:18,076 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 18:36:18,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 18:36:18,077 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 18:36:18,077 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 18:36:18,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 18:36:18,078 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 18:36:18,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 18:36:18,080 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 [2020-10-06 18:36:18,101 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 18:36:18,102 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 18:36:18,103 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 18:36:18,103 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 18:36:18,103 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 18:36:18,103 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 18:36:18,104 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 18:36:18,104 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 18:36:18,104 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 18:36:18,104 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 18:36:18,104 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 18:36:18,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 18:36:18,105 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 18:36:18,105 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 18:36:18,105 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 18:36:18,105 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 18:36:18,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 18:36:18,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 18:36:18,106 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 18:36:18,106 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 18:36:18,106 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 18:36:18,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 18:36:18,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 18:36:18,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-06 18:36:18,107 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 18:36:18,107 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 18:36:18,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 18:36:18,107 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 18:36:18,108 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-06 18:36:18,108 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-06 18:36:18,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 18:36:18,412 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 18:36:18,416 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 18:36:18,418 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-06 18:36:18,418 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-06 18:36:18,419 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=24.bpl [2020-10-06 18:36:18,419 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=24.bpl' [2020-10-06 18:36:18,470 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 18:36:18,472 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-06 18:36:18,472 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 18:36:18,473 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 18:36:18,473 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 18:36:18,488 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 06.10 06:36:18" (1/1) ... [2020-10-06 18:36:18,500 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 06.10 06:36:18" (1/1) ... [2020-10-06 18:36:18,509 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 18:36:18,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 18:36:18,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 18:36:18,510 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 18:36:18,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:36:18" (1/1) ... [2020-10-06 18:36:18,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:36:18" (1/1) ... [2020-10-06 18:36:18,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:36:18" (1/1) ... [2020-10-06 18:36:18,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:36:18" (1/1) ... [2020-10-06 18:36:18,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:36:18" (1/1) ... [2020-10-06 18:36:18,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:36:18" (1/1) ... [2020-10-06 18:36:18,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:36:18" (1/1) ... [2020-10-06 18:36:18,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 18:36:18,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 18:36:18,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 18:36:18,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 18:36:18,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:36:18" (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 [2020-10-06 18:36:18,615 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-06 18:36:18,615 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-06 18:36:18,615 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-06 18:36:18,615 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-06 18:36:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-06 18:36:18,616 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-06 18:36:18,616 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-06 18:36:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-06 18:36:18,616 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-06 18:36:18,617 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-06 18:36:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-06 18:36:18,617 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-06 18:36:18,617 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-06 18:36:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-06 18:36:18,618 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-06 18:36:18,618 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-06 18:36:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-06 18:36:18,618 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-06 18:36:18,619 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-06 18:36:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-06 18:36:18,619 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-06 18:36:18,619 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-06 18:36:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-06 18:36:18,620 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-06 18:36:18,620 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-06 18:36:18,620 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-06 18:36:18,620 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-06 18:36:18,620 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-06 18:36:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-06 18:36:18,621 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-06 18:36:18,621 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-06 18:36:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-06 18:36:18,621 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-06 18:36:18,622 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-06 18:36:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-06 18:36:18,622 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-06 18:36:18,622 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-06 18:36:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-06 18:36:18,623 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-06 18:36:18,623 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-06 18:36:18,623 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-06 18:36:18,623 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-06 18:36:18,623 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-06 18:36:18,624 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-06 18:36:18,624 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-06 18:36:18,624 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-06 18:36:18,624 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-06 18:36:18,624 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-06 18:36:18,625 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-06 18:36:18,625 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-06 18:36:18,625 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-06 18:36:18,625 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-06 18:36:18,625 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-06 18:36:18,626 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-06 18:36:18,626 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-06 18:36:18,626 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-06 18:36:18,626 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-06 18:36:18,626 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-06 18:36:18,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 18:36:18,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 18:36:18,627 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-06 18:36:18,627 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-06 18:36:18,627 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-06 18:36:18,628 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-06 18:36:18,628 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-06 18:36:18,628 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-06 18:36:18,628 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-06 18:36:18,628 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-06 18:36:18,629 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-06 18:36:18,629 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-06 18:36:18,629 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-06 18:36:18,629 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-06 18:36:18,630 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-06 18:36:18,630 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-06 18:36:18,630 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-06 18:36:18,631 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-06 18:36:19,046 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 18:36:19,046 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-06 18:36:19,048 INFO L202 PluginConnector]: Adding new model example2_N=24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:36:19 BoogieIcfgContainer [2020-10-06 18:36:19,049 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 18:36:19,050 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 18:36:19,050 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 18:36:19,053 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 18:36:19,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:36:18" (1/2) ... [2020-10-06 18:36:19,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ebceea6 and model type example2_N=24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 06:36:19, skipping insertion in model container [2020-10-06 18:36:19,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:36:19" (2/2) ... [2020-10-06 18:36:19,056 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=24.bpl [2020-10-06 18:36:19,067 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 18:36:19,068 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-06 18:36:19,075 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 18:36:19,076 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 18:36:19,437 INFO L253 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2020-10-06 18:36:19,459 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-06 18:36:19,459 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-06 18:36:19,460 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-06 18:36:19,460 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-06 18:36:19,460 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 18:36:19,460 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-06 18:36:19,460 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 18:36:19,461 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 18:36:19,477 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-06 18:36:19,480 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 197 places, 148 transitions, 488 flow [2020-10-06 18:36:19,483 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 197 places, 148 transitions, 488 flow [2020-10-06 18:36:19,485 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 197 places, 148 transitions, 488 flow [2020-10-06 18:36:19,570 INFO L129 PetriNetUnfolder]: 24/124 cut-off events. [2020-10-06 18:36:19,571 INFO L130 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2020-10-06 18:36:19,580 INFO L80 FinitePrefix]: Finished finitePrefix Result has 221 conditions, 124 events. 24/124 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 169 event pairs, 0 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 141. Up to 2 conditions per place. [2020-10-06 18:36:19,591 INFO L117 LiptonReduction]: Number of co-enabled transitions 8280 [2020-10-06 18:36:20,155 INFO L132 LiptonReduction]: Checked pairs total: 12995 [2020-10-06 18:36:20,156 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-06 18:36:20,162 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 195 places, 146 transitions, 484 flow Received shutdown request... [2020-10-06 18:49:57,164 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-06 18:49:57,167 WARN L235 ceAbstractionStarter]: Timeout [2020-10-06 18:49:57,167 INFO L202 PluginConnector]: Adding new model example2_N=24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 06:49:57 BasicIcfg [2020-10-06 18:49:57,167 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 18:49:57,173 INFO L168 Benchmark]: Toolchain (without parser) took 818697.66 ms. Allocated memory was 250.1 MB in the beginning and 7.0 GB in the end (delta: 6.7 GB). Free memory was 225.6 MB in the beginning and 2.0 GB in the end (delta: -1.7 GB). Peak memory consumption was 6.1 GB. Max. memory is 14.2 GB. [2020-10-06 18:49:57,176 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.41 ms. Allocated memory is still 250.1 MB. Free memory is still 227.3 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 18:49:57,179 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.14 ms. Allocated memory is still 250.1 MB. Free memory was 225.6 MB in the beginning and 223.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-06 18:49:57,180 INFO L168 Benchmark]: Boogie Preprocessor took 35.18 ms. Allocated memory is still 250.1 MB. Free memory was 223.9 MB in the beginning and 222.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-06 18:49:57,182 INFO L168 Benchmark]: RCFGBuilder took 503.32 ms. Allocated memory is still 250.1 MB. Free memory was 222.2 MB in the beginning and 195.8 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 14.2 GB. [2020-10-06 18:49:57,183 INFO L168 Benchmark]: TraceAbstraction took 818117.78 ms. Allocated memory was 250.1 MB in the beginning and 7.0 GB in the end (delta: 6.7 GB). Free memory was 195.8 MB in the beginning and 2.0 GB in the end (delta: -1.8 GB). Peak memory consumption was 6.1 GB. Max. memory is 14.2 GB. [2020-10-06 18:49:57,195 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 0.41 ms. Allocated memory is still 250.1 MB. Free memory is still 227.3 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 37.14 ms. Allocated memory is still 250.1 MB. Free memory was 225.6 MB in the beginning and 223.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 35.18 ms. Allocated memory is still 250.1 MB. Free memory was 223.9 MB in the beginning and 222.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * RCFGBuilder took 503.32 ms. Allocated memory is still 250.1 MB. Free memory was 222.2 MB in the beginning and 195.8 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 14.2 GB. * TraceAbstraction took 818117.78 ms. Allocated memory was 250.1 MB in the beginning and 7.0 GB in the end (delta: 6.7 GB). Free memory was 195.8 MB in the beginning and 2.0 GB in the end (delta: -1.8 GB). Peak memory consumption was 6.1 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 2255 VarBasedMoverChecksPositive, 115 VarBasedMoverChecksNegative, 69 SemBasedMoverChecksPositive, 46 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.3s, 2276 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.6s, 197 PlacesBefore, 195 PlacesAfterwards, 148 TransitionsBefore, 146 TransitionsAfterwards, 8280 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 12995 MoverChecksTotal - 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 195 places, 146 transitions, 484 flow. Already constructed 798430 states. Currently 399220 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 125 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 817.7s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 817.7s, 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