/usr/bin/java -Xmx8000000000 -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=18.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b665a9c [2020-09-29 10:29:59,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-29 10:29:59,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-29 10:29:59,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-29 10:29:59,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-29 10:29:59,805 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-29 10:29:59,806 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-29 10:29:59,808 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-29 10:29:59,810 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-29 10:29:59,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-29 10:29:59,813 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-29 10:29:59,815 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-29 10:29:59,815 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-29 10:29:59,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-29 10:29:59,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-29 10:29:59,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-29 10:29:59,821 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-29 10:29:59,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-29 10:29:59,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-29 10:29:59,835 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-29 10:29:59,838 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-29 10:29:59,843 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-29 10:29:59,846 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-29 10:29:59,847 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-29 10:29:59,857 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-29 10:29:59,857 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-29 10:29:59,858 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-29 10:29:59,861 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-29 10:29:59,862 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-29 10:29:59,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-29 10:29:59,863 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-29 10:29:59,864 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-29 10:29:59,865 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-29 10:29:59,866 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-29 10:29:59,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-29 10:29:59,868 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-29 10:29:59,869 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-29 10:29:59,869 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-29 10:29:59,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-29 10:29:59,884 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-29 10:29:59,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-29 10:29:59,886 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 10:29:59,937 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-29 10:29:59,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-29 10:29:59,940 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-29 10:29:59,940 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-29 10:29:59,940 INFO L138 SettingsManager]: * Use SBE=true [2020-09-29 10:29:59,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-29 10:29:59,941 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-29 10:29:59,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-29 10:29:59,941 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-29 10:29:59,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-29 10:29:59,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-29 10:29:59,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-29 10:29:59,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-29 10:29:59,943 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-29 10:29:59,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-29 10:29:59,944 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-29 10:29:59,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-29 10:29:59,944 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-29 10:29:59,944 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-29 10:29:59,944 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-29 10:29:59,945 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-29 10:29:59,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-29 10:29:59,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-29 10:29:59,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-29 10:29:59,946 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-29 10:29:59,948 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-29 10:29:59,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-29 10:29:59,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-29 10:29:59,948 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-29 10:29:59,948 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-29 10:30:00,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-29 10:30:00,609 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-29 10:30:00,614 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-29 10:30:00,615 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-09-29 10:30:00,616 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-09-29 10:30:00,617 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=18.bpl [2020-09-29 10:30:00,618 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=18.bpl' [2020-09-29 10:30:00,683 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-29 10:30:00,690 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-29 10:30:00,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-29 10:30:00,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-29 10:30:00,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-29 10:30:00,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:00" (1/1) ... [2020-09-29 10:30:00,736 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:00" (1/1) ... [2020-09-29 10:30:00,750 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-29 10:30:00,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-29 10:30:00,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-29 10:30:00,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-29 10:30:00,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:00" (1/1) ... [2020-09-29 10:30:00,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:00" (1/1) ... [2020-09-29 10:30:00,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:00" (1/1) ... [2020-09-29 10:30:00,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:00" (1/1) ... [2020-09-29 10:30:00,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:00" (1/1) ... [2020-09-29 10:30:00,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:00" (1/1) ... [2020-09-29 10:30:00,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:00" (1/1) ... [2020-09-29 10:30:00,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-29 10:30:00,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-29 10:30:00,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-29 10:30:00,821 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-29 10:30:00,823 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:00" (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 10:30:00,914 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-09-29 10:30:00,914 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-09-29 10:30:00,915 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-09-29 10:30:00,915 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-09-29 10:30:00,915 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-09-29 10:30:00,915 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-09-29 10:30:00,916 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-09-29 10:30:00,916 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-09-29 10:30:00,916 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-09-29 10:30:00,916 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-09-29 10:30:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-09-29 10:30:00,917 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-09-29 10:30:00,917 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-09-29 10:30:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-09-29 10:30:00,917 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-09-29 10:30:00,918 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-09-29 10:30:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-09-29 10:30:00,918 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-09-29 10:30:00,918 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-09-29 10:30:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-09-29 10:30:00,919 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-09-29 10:30:00,919 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-09-29 10:30:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-09-29 10:30:00,919 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-09-29 10:30:00,919 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-09-29 10:30:00,920 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-09-29 10:30:00,920 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-09-29 10:30:00,920 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-09-29 10:30:00,920 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-09-29 10:30:00,921 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-09-29 10:30:00,921 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-09-29 10:30:00,921 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-09-29 10:30:00,921 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-09-29 10:30:00,921 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-09-29 10:30:00,922 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-09-29 10:30:00,922 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-09-29 10:30:00,922 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-09-29 10:30:00,922 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-09-29 10:30:00,922 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-09-29 10:30:00,923 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-09-29 10:30:00,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-29 10:30:00,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-29 10:30:00,923 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-09-29 10:30:00,923 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-09-29 10:30:00,924 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-09-29 10:30:00,924 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-09-29 10:30:00,924 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-09-29 10:30:00,924 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-09-29 10:30:00,924 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-09-29 10:30:00,925 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-09-29 10:30:00,925 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-09-29 10:30:00,925 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-09-29 10:30:00,925 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-09-29 10:30:00,925 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-09-29 10:30:00,926 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-09-29 10:30:00,926 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-09-29 10:30:00,926 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-09-29 10:30:00,928 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 10:30:01,240 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-29 10:30:01,240 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-09-29 10:30:01,248 INFO L202 PluginConnector]: Adding new model example2_N=18.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 10:30:01 BoogieIcfgContainer [2020-09-29 10:30:01,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-29 10:30:01,250 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-29 10:30:01,250 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-29 10:30:01,254 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-29 10:30:01,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:00" (1/2) ... [2020-09-29 10:30:01,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fe04be5 and model type example2_N=18.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 10:30:01, skipping insertion in model container [2020-09-29 10:30:01,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=18.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 10:30:01" (2/2) ... [2020-09-29 10:30:01,259 INFO L109 eAbstractionObserver]: Analyzing ICFG example2_N=18.bpl [2020-09-29 10:30:01,273 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-29 10:30:01,273 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-29 10:30:01,286 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-29 10:30:01,288 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-29 10:30:01,643 INFO L251 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2020-09-29 10:30:01,675 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-29 10:30:01,675 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-29 10:30:01,675 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-29 10:30:01,675 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-29 10:30:01,676 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-29 10:30:01,676 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-29 10:30:01,690 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-29 10:30:01,690 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-29 10:30:01,718 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 131 places, 94 transitions, 332 flow [2020-09-29 10:30:01,721 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 131 places, 94 transitions, 332 flow [2020-09-29 10:30:01,820 INFO L129 PetriNetUnfolder]: 18/76 cut-off events. [2020-09-29 10:30:01,820 INFO L130 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2020-09-29 10:30:01,836 INFO L80 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 76 events. 18/76 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 55 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 87. Up to 2 conditions per place. [2020-09-29 10:30:01,847 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 131 places, 94 transitions, 332 flow [2020-09-29 10:30:01,884 INFO L129 PetriNetUnfolder]: 18/76 cut-off events. [2020-09-29 10:30:01,884 INFO L130 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2020-09-29 10:30:01,887 INFO L80 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 76 events. 18/76 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 55 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 87. Up to 2 conditions per place. [2020-09-29 10:30:01,891 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2448 [2020-09-29 10:30:01,892 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-29 10:30:01,997 INFO L206 etLargeBlockEncoding]: Checked pairs total: 0 [2020-09-29 10:30:01,997 INFO L214 etLargeBlockEncoding]: Total number of compositions: 1 [2020-09-29 10:30:02,002 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 130 places, 93 transitions, 330 flow Received shutdown request... [2020-09-29 10:43:26,027 WARN L544 AbstractCegarLoop]: Verification canceled [2020-09-29 10:43:26,033 WARN L228 ceAbstractionStarter]: Timeout [2020-09-29 10:43:26,033 INFO L202 PluginConnector]: Adding new model example2_N=18.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 10:43:26 BasicIcfg [2020-09-29 10:43:26,033 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-29 10:43:26,040 INFO L168 Benchmark]: Toolchain (without parser) took 805351.07 ms. Allocated memory was 147.8 MB in the beginning and 6.0 GB in the end (delta: 5.9 GB). Free memory was 120.9 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 5.5 GB. Max. memory is 7.1 GB. [2020-09-29 10:43:26,043 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 147.8 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-09-29 10:43:26,045 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.64 ms. Allocated memory is still 147.8 MB. Free memory was 120.4 MB in the beginning and 118.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2020-09-29 10:43:26,047 INFO L168 Benchmark]: Boogie Preprocessor took 69.50 ms. Allocated memory is still 147.8 MB. Free memory was 118.7 MB in the beginning and 117.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2020-09-29 10:43:26,048 INFO L168 Benchmark]: RCFGBuilder took 427.55 ms. Allocated memory is still 147.8 MB. Free memory was 117.0 MB in the beginning and 98.2 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. [2020-09-29 10:43:26,050 INFO L168 Benchmark]: TraceAbstraction took 804783.47 ms. Allocated memory was 147.8 MB in the beginning and 6.0 GB in the end (delta: 5.9 GB). Free memory was 97.6 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 5.5 GB. Max. memory is 7.1 GB. [2020-09-29 10:43:26,062 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 0.24 ms. Allocated memory is still 147.8 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 59.64 ms. Allocated memory is still 147.8 MB. Free memory was 120.4 MB in the beginning and 118.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 69.50 ms. Allocated memory is still 147.8 MB. Free memory was 118.7 MB in the beginning and 117.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 427.55 ms. Allocated memory is still 147.8 MB. Free memory was 117.0 MB in the beginning and 98.2 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 804783.47 ms. Allocated memory was 147.8 MB in the beginning and 6.0 GB in the end (delta: 5.9 GB). Free memory was 97.6 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 5.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.2s, 131 ProgramPointsBefore, 130 ProgramPointsAfterwards, 94 TransitionsBefore, 93 TransitionsAfterwards, 2448 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: 46]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 46). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 130 places, 93 transitions, 330 flow. Already constructed 481462 states. Currently 101555 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 19 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 804.3s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 804.3s, 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