/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/automizer/concurrent/VMCAI2021_FA.epf -i ../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=21.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b665a9c [2020-09-29 13:21:54,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-29 13:21:54,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-29 13:21:54,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-29 13:21:54,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-29 13:21:54,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-29 13:21:54,690 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-29 13:21:54,693 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-29 13:21:54,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-29 13:21:54,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-29 13:21:54,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-29 13:21:54,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-29 13:21:54,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-29 13:21:54,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-29 13:21:54,705 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-29 13:21:54,707 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-29 13:21:54,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-29 13:21:54,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-29 13:21:54,712 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-29 13:21:54,718 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-29 13:21:54,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-29 13:21:54,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-29 13:21:54,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-29 13:21:54,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-29 13:21:54,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-29 13:21:54,732 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-29 13:21:54,732 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-29 13:21:54,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-29 13:21:54,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-29 13:21:54,745 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-29 13:21:54,745 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-29 13:21:54,746 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-29 13:21:54,748 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-29 13:21:54,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-29 13:21:54,749 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-29 13:21:54,750 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-29 13:21:54,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-29 13:21:54,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-29 13:21:54,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-29 13:21:54,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-29 13:21:54,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-29 13:21:54,754 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_FA.epf [2020-09-29 13:21:54,799 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-29 13:21:54,799 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-29 13:21:54,801 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-29 13:21:54,801 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-29 13:21:54,802 INFO L138 SettingsManager]: * Use SBE=true [2020-09-29 13:21:54,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-29 13:21:54,802 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-29 13:21:54,802 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-29 13:21:54,803 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-29 13:21:54,803 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-29 13:21:54,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-29 13:21:54,804 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-29 13:21:54,804 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-29 13:21:54,805 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-29 13:21:54,805 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-29 13:21:54,805 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-29 13:21:54,805 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-29 13:21:54,805 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-29 13:21:54,806 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-29 13:21:54,806 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-29 13:21:54,806 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-29 13:21:54,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-29 13:21:54,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-29 13:21:54,807 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-29 13:21:54,807 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-29 13:21:54,807 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-09-29 13:21:54,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-29 13:21:54,807 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-09-29 13:21:54,807 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-29 13:21:54,808 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-29 13:21:55,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-29 13:21:55,295 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-29 13:21:55,301 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-29 13:21:55,303 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-09-29 13:21:55,304 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-09-29 13:21:55,305 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=21.bpl [2020-09-29 13:21:55,306 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=21.bpl' [2020-09-29 13:21:55,379 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-29 13:21:55,386 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-29 13:21:55,387 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-29 13:21:55,387 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-29 13:21:55,387 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-29 13:21:55,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:55" (1/1) ... [2020-09-29 13:21:55,432 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:55" (1/1) ... [2020-09-29 13:21:55,446 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-29 13:21:55,447 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-29 13:21:55,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-29 13:21:55,448 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-29 13:21:55,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:55" (1/1) ... [2020-09-29 13:21:55,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:55" (1/1) ... [2020-09-29 13:21:55,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:55" (1/1) ... [2020-09-29 13:21:55,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:55" (1/1) ... [2020-09-29 13:21:55,488 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:55" (1/1) ... [2020-09-29 13:21:55,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:55" (1/1) ... [2020-09-29 13:21:55,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:55" (1/1) ... [2020-09-29 13:21:55,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-29 13:21:55,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-29 13:21:55,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-29 13:21:55,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-29 13:21:55,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:55" (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 13:21:55,622 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-09-29 13:21:55,622 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-09-29 13:21:55,623 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-09-29 13:21:55,623 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-09-29 13:21:55,623 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-09-29 13:21:55,623 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-09-29 13:21:55,623 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-09-29 13:21:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-09-29 13:21:55,624 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-09-29 13:21:55,624 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-09-29 13:21:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-09-29 13:21:55,625 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-09-29 13:21:55,625 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-09-29 13:21:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-09-29 13:21:55,625 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-09-29 13:21:55,625 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-09-29 13:21:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-09-29 13:21:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-09-29 13:21:55,626 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-09-29 13:21:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-09-29 13:21:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-09-29 13:21:55,626 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-09-29 13:21:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-09-29 13:21:55,627 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-09-29 13:21:55,627 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-09-29 13:21:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-09-29 13:21:55,628 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-09-29 13:21:55,628 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-09-29 13:21:55,628 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-09-29 13:21:55,628 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-09-29 13:21:55,628 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-09-29 13:21:55,629 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-09-29 13:21:55,629 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-09-29 13:21:55,629 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-09-29 13:21:55,629 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-09-29 13:21:55,629 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-09-29 13:21:55,629 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-09-29 13:21:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-09-29 13:21:55,630 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-09-29 13:21:55,630 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-09-29 13:21:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-09-29 13:21:55,630 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-09-29 13:21:55,631 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-09-29 13:21:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-29 13:21:55,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-29 13:21:55,631 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-09-29 13:21:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-09-29 13:21:55,632 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-09-29 13:21:55,632 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-09-29 13:21:55,632 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-09-29 13:21:55,632 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-09-29 13:21:55,632 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-09-29 13:21:55,633 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-09-29 13:21:55,633 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-09-29 13:21:55,633 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-09-29 13:21:55,633 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-09-29 13:21:55,633 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-09-29 13:21:55,634 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-09-29 13:21:55,634 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-09-29 13:21:55,634 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-09-29 13:21:55,634 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-09-29 13:21:55,634 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-09-29 13:21:55,634 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-09-29 13:21:55,635 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-09-29 13:21:55,635 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-09-29 13:21:55,635 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-09-29 13:21:55,637 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 13:21:55,928 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-29 13:21:55,928 INFO L298 CfgBuilder]: Removed 21 assume(true) statements. [2020-09-29 13:21:55,934 INFO L202 PluginConnector]: Adding new model example2_N=21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 01:21:55 BoogieIcfgContainer [2020-09-29 13:21:55,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-29 13:21:55,936 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-29 13:21:55,936 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-29 13:21:55,940 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-29 13:21:55,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:55" (1/2) ... [2020-09-29 13:21:55,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e9befed and model type example2_N=21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 01:21:55, skipping insertion in model container [2020-09-29 13:21:55,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 01:21:55" (2/2) ... [2020-09-29 13:21:55,944 INFO L109 eAbstractionObserver]: Analyzing ICFG example2_N=21.bpl [2020-09-29 13:21:55,956 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-29 13:21:55,956 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-29 13:21:55,966 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-29 13:21:55,968 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-29 13:21:56,397 INFO L251 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2020-09-29 13:21:56,424 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-29 13:21:56,424 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-29 13:21:56,425 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-29 13:21:56,425 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-29 13:21:56,425 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-29 13:21:56,425 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-29 13:21:56,425 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-29 13:21:56,426 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-29 13:21:56,446 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 152 places, 109 transitions, 386 flow Received shutdown request... [2020-09-29 13:35:03,210 WARN L544 AbstractCegarLoop]: Verification canceled [2020-09-29 13:35:03,216 WARN L228 ceAbstractionStarter]: Timeout [2020-09-29 13:35:03,217 INFO L202 PluginConnector]: Adding new model example2_N=21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 01:35:03 BasicIcfg [2020-09-29 13:35:03,217 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-29 13:35:03,221 INFO L168 Benchmark]: Toolchain (without parser) took 787838.95 ms. Allocated memory was 251.7 MB in the beginning and 9.1 GB in the end (delta: 8.9 GB). Free memory was 228.0 MB in the beginning and 2.1 GB in the end (delta: -1.8 GB). Peak memory consumption was 8.1 GB. Max. memory is 14.2 GB. [2020-09-29 13:35:03,222 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.54 ms. Allocated memory is still 251.7 MB. Free memory is still 228.0 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-09-29 13:35:03,223 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.36 ms. Allocated memory is still 251.7 MB. Free memory is still 225.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-09-29 13:35:03,224 INFO L168 Benchmark]: Boogie Preprocessor took 74.61 ms. Allocated memory is still 251.7 MB. Free memory was 225.5 MB in the beginning and 223.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-09-29 13:35:03,226 INFO L168 Benchmark]: RCFGBuilder took 412.34 ms. Allocated memory is still 251.7 MB. Free memory was 223.0 MB in the beginning and 202.7 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 14.2 GB. [2020-09-29 13:35:03,227 INFO L168 Benchmark]: TraceAbstraction took 787281.30 ms. Allocated memory was 251.7 MB in the beginning and 9.1 GB in the end (delta: 8.9 GB). Free memory was 200.2 MB in the beginning and 2.1 GB in the end (delta: -1.9 GB). Peak memory consumption was 8.1 GB. Max. memory is 14.2 GB. [2020-09-29 13:35:03,237 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 0.54 ms. Allocated memory is still 251.7 MB. Free memory is still 228.0 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 60.36 ms. Allocated memory is still 251.7 MB. Free memory is still 225.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Preprocessor took 74.61 ms. Allocated memory is still 251.7 MB. Free memory was 225.5 MB in the beginning and 223.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 412.34 ms. Allocated memory is still 251.7 MB. Free memory was 223.0 MB in the beginning and 202.7 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 14.2 GB. * TraceAbstraction took 787281.30 ms. Allocated memory was 251.7 MB in the beginning and 9.1 GB in the end (delta: 8.9 GB). Free memory was 200.2 MB in the beginning and 2.1 GB in the end (delta: -1.9 GB). Peak memory consumption was 8.1 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 52). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 152 places, 109 transitions, 386 flow. Already constructed 733275 states. Currently 269762 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 786.7s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 786.7s, 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