/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=26.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b665a9c [2020-09-29 12:15:52,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-29 12:15:52,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-29 12:15:52,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-29 12:15:52,691 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-29 12:15:52,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-29 12:15:52,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-29 12:15:52,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-29 12:15:52,709 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-29 12:15:52,710 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-29 12:15:52,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-29 12:15:52,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-29 12:15:52,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-29 12:15:52,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-29 12:15:52,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-29 12:15:52,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-29 12:15:52,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-29 12:15:52,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-29 12:15:52,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-29 12:15:52,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-29 12:15:52,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-29 12:15:52,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-29 12:15:52,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-29 12:15:52,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-29 12:15:52,728 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-29 12:15:52,728 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-29 12:15:52,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-29 12:15:52,730 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-29 12:15:52,730 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-29 12:15:52,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-29 12:15:52,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-29 12:15:52,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-29 12:15:52,734 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-29 12:15:52,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-29 12:15:52,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-29 12:15:52,736 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-29 12:15:52,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-29 12:15:52,737 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-29 12:15:52,737 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-29 12:15:52,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-29 12:15:52,739 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-29 12:15:52,740 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 12:15:52,766 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-29 12:15:52,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-29 12:15:52,767 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-29 12:15:52,768 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-29 12:15:52,768 INFO L138 SettingsManager]: * Use SBE=true [2020-09-29 12:15:52,768 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-29 12:15:52,768 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-29 12:15:52,768 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-29 12:15:52,769 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-29 12:15:52,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-29 12:15:52,769 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-29 12:15:52,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-29 12:15:52,769 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-29 12:15:52,770 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-29 12:15:52,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-29 12:15:52,770 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-29 12:15:52,770 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-29 12:15:52,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-29 12:15:52,771 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-29 12:15:52,771 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-29 12:15:52,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-29 12:15:52,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-29 12:15:52,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-29 12:15:52,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-29 12:15:52,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-29 12:15:52,772 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-29 12:15:52,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-29 12:15:52,773 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-29 12:15:52,773 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-29 12:15:52,773 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-29 12:15:53,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-29 12:15:53,225 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-29 12:15:53,229 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-29 12:15:53,231 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-09-29 12:15:53,231 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-09-29 12:15:53,232 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=26.bpl [2020-09-29 12:15:53,233 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=26.bpl' [2020-09-29 12:15:53,288 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-29 12:15:53,295 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-29 12:15:53,295 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-29 12:15:53,295 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-29 12:15:53,296 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-29 12:15:53,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:15:53" (1/1) ... [2020-09-29 12:15:53,329 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:15:53" (1/1) ... [2020-09-29 12:15:53,342 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-29 12:15:53,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-29 12:15:53,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-29 12:15:53,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-29 12:15:53,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:15:53" (1/1) ... [2020-09-29 12:15:53,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:15:53" (1/1) ... [2020-09-29 12:15:53,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:15:53" (1/1) ... [2020-09-29 12:15:53,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:15:53" (1/1) ... [2020-09-29 12:15:53,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:15:53" (1/1) ... [2020-09-29 12:15:53,377 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:15:53" (1/1) ... [2020-09-29 12:15:53,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:15:53" (1/1) ... [2020-09-29 12:15:53,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-29 12:15:53,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-29 12:15:53,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-29 12:15:53,385 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-29 12:15:53,386 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:15:53" (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 12:15:53,489 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-09-29 12:15:53,490 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-09-29 12:15:53,492 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-09-29 12:15:53,492 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-09-29 12:15:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-09-29 12:15:53,493 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-09-29 12:15:53,494 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-09-29 12:15:53,494 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-09-29 12:15:53,495 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-09-29 12:15:53,495 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-09-29 12:15:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-09-29 12:15:53,495 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-09-29 12:15:53,495 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-09-29 12:15:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-09-29 12:15:53,496 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-09-29 12:15:53,496 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-09-29 12:15:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-09-29 12:15:53,496 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-09-29 12:15:53,497 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-09-29 12:15:53,497 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-09-29 12:15:53,498 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-09-29 12:15:53,499 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-09-29 12:15:53,499 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-09-29 12:15:53,500 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-09-29 12:15:53,500 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-09-29 12:15:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-09-29 12:15:53,501 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-09-29 12:15:53,502 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-09-29 12:15:53,503 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-09-29 12:15:53,503 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-09-29 12:15:53,503 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-09-29 12:15:53,503 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-09-29 12:15:53,503 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-09-29 12:15:53,504 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-09-29 12:15:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-09-29 12:15:53,505 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-09-29 12:15:53,505 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-09-29 12:15:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-09-29 12:15:53,505 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-09-29 12:15:53,505 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-09-29 12:15:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-09-29 12:15:53,506 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-09-29 12:15:53,506 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-09-29 12:15:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-09-29 12:15:53,507 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-09-29 12:15:53,507 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-09-29 12:15:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-09-29 12:15:53,507 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-09-29 12:15:53,507 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-09-29 12:15:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-09-29 12:15:53,508 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-09-29 12:15:53,508 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-09-29 12:15:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-09-29 12:15:53,509 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-09-29 12:15:53,509 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-09-29 12:15:53,509 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-09-29 12:15:53,509 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-09-29 12:15:53,509 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-09-29 12:15:53,510 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-09-29 12:15:53,510 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-09-29 12:15:53,510 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-09-29 12:15:53,510 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-09-29 12:15:53,511 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-09-29 12:15:53,511 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-09-29 12:15:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-29 12:15:53,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-29 12:15:53,512 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-09-29 12:15:53,512 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-09-29 12:15:53,513 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-09-29 12:15:53,513 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-09-29 12:15:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-09-29 12:15:53,513 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-09-29 12:15:53,513 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-09-29 12:15:53,514 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-09-29 12:15:53,514 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-09-29 12:15:53,514 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-09-29 12:15:53,514 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-09-29 12:15:53,515 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-09-29 12:15:53,515 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-09-29 12:15:53,515 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-09-29 12:15:53,515 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-09-29 12:15:53,517 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 12:15:53,970 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-29 12:15:53,970 INFO L298 CfgBuilder]: Removed 26 assume(true) statements. [2020-09-29 12:15:53,975 INFO L202 PluginConnector]: Adding new model example2_N=26.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 12:15:53 BoogieIcfgContainer [2020-09-29 12:15:53,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-29 12:15:53,977 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-29 12:15:53,977 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-29 12:15:53,981 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-29 12:15:53,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:15:53" (1/2) ... [2020-09-29 12:15:53,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ee9035c and model type example2_N=26.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 12:15:53, skipping insertion in model container [2020-09-29 12:15:53,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=26.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 12:15:53" (2/2) ... [2020-09-29 12:15:53,985 INFO L109 eAbstractionObserver]: Analyzing ICFG example2_N=26.bpl [2020-09-29 12:15:53,996 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-29 12:15:53,997 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-29 12:15:54,007 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-29 12:15:54,008 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-29 12:15:54,573 INFO L251 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2020-09-29 12:15:54,606 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-29 12:15:54,607 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-29 12:15:54,607 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-29 12:15:54,607 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-29 12:15:54,607 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-29 12:15:54,607 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-29 12:15:54,608 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-29 12:15:54,608 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-29 12:15:54,636 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 187 places, 134 transitions, 476 flow [2020-09-29 12:15:54,639 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 187 places, 134 transitions, 476 flow [2020-09-29 12:15:54,758 INFO L129 PetriNetUnfolder]: 26/108 cut-off events. [2020-09-29 12:15:54,759 INFO L130 PetriNetUnfolder]: For 26/26 co-relation queries the response was YES. [2020-09-29 12:15:54,771 INFO L80 FinitePrefix]: Finished finitePrefix Result has 213 conditions, 108 events. 26/108 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 83 event pairs, 0 based on Foata normal form. 0/81 useless extension candidates. Maximal degree in co-relation 127. Up to 2 conditions per place. [2020-09-29 12:15:54,779 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 187 places, 134 transitions, 476 flow [2020-09-29 12:15:54,846 INFO L129 PetriNetUnfolder]: 26/108 cut-off events. [2020-09-29 12:15:54,846 INFO L130 PetriNetUnfolder]: For 26/26 co-relation queries the response was YES. [2020-09-29 12:15:54,851 INFO L80 FinitePrefix]: Finished finitePrefix Result has 213 conditions, 108 events. 26/108 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 83 event pairs, 0 based on Foata normal form. 0/81 useless extension candidates. Maximal degree in co-relation 127. Up to 2 conditions per place. [2020-09-29 12:15:54,857 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 5200 [2020-09-29 12:15:54,859 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-29 12:15:55,013 INFO L206 etLargeBlockEncoding]: Checked pairs total: 0 [2020-09-29 12:15:55,013 INFO L214 etLargeBlockEncoding]: Total number of compositions: 1 [2020-09-29 12:15:55,017 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 186 places, 133 transitions, 474 flow Received shutdown request... [2020-09-29 12:29:30,219 WARN L544 AbstractCegarLoop]: Verification canceled [2020-09-29 12:29:30,223 WARN L228 ceAbstractionStarter]: Timeout [2020-09-29 12:29:30,223 INFO L202 PluginConnector]: Adding new model example2_N=26.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 12:29:30 BasicIcfg [2020-09-29 12:29:30,223 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-29 12:29:30,227 INFO L168 Benchmark]: Toolchain (without parser) took 816935.66 ms. Allocated memory was 250.1 MB in the beginning and 8.0 GB in the end (delta: 7.7 GB). Free memory was 224.0 MB in the beginning and 2.2 GB in the end (delta: -1.9 GB). Peak memory consumption was 7.7 GB. Max. memory is 14.2 GB. [2020-09-29 12:29:30,228 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 250.1 MB. Free memory is still 226.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-09-29 12:29:30,231 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.83 ms. Allocated memory is still 250.1 MB. Free memory is still 224.0 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-09-29 12:29:30,233 INFO L168 Benchmark]: Boogie Preprocessor took 41.79 ms. Allocated memory is still 250.1 MB. Free memory was 224.0 MB in the beginning and 221.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-09-29 12:29:30,235 INFO L168 Benchmark]: RCFGBuilder took 591.11 ms. Allocated memory is still 250.1 MB. Free memory was 221.4 MB in the beginning and 196.2 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 14.2 GB. [2020-09-29 12:29:30,237 INFO L168 Benchmark]: TraceAbstraction took 816246.55 ms. Allocated memory was 250.1 MB in the beginning and 8.0 GB in the end (delta: 7.7 GB). Free memory was 196.2 MB in the beginning and 2.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 7.7 GB. Max. memory is 14.2 GB. [2020-09-29 12:29:30,248 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 250.1 MB. Free memory is still 226.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 46.83 ms. Allocated memory is still 250.1 MB. Free memory is still 224.0 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Preprocessor took 41.79 ms. Allocated memory is still 250.1 MB. Free memory was 224.0 MB in the beginning and 221.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 591.11 ms. Allocated memory is still 250.1 MB. Free memory was 221.4 MB in the beginning and 196.2 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 14.2 GB. * TraceAbstraction took 816246.55 ms. Allocated memory was 250.1 MB in the beginning and 8.0 GB in the end (delta: 7.7 GB). Free memory was 196.2 MB in the beginning and 2.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 7.7 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.3s, 187 ProgramPointsBefore, 186 ProgramPointsAfterwards, 134 TransitionsBefore, 133 TransitionsAfterwards, 5200 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: 62]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 62). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 186 places, 133 transitions, 474 flow. Already constructed 701078 states. Currently 267789 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 109 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 815.6s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 815.6s, 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