/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=14.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-50b6972 [2020-10-06 18:21:41,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 18:21:41,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 18:21:41,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 18:21:41,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 18:21:41,104 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 18:21:41,106 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 18:21:41,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 18:21:41,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 18:21:41,112 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 18:21:41,113 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 18:21:41,116 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 18:21:41,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 18:21:41,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 18:21:41,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 18:21:41,124 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 18:21:41,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 18:21:41,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 18:21:41,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 18:21:41,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 18:21:41,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 18:21:41,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 18:21:41,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 18:21:41,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 18:21:41,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 18:21:41,153 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 18:21:41,153 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 18:21:41,154 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 18:21:41,154 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 18:21:41,158 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 18:21:41,159 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 18:21:41,159 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 18:21:41,160 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 18:21:41,161 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 18:21:41,165 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 18:21:41,165 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 18:21:41,166 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 18:21:41,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 18:21:41,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 18:21:41,170 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 18:21:41,171 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 18:21:41,172 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 18:21:41,216 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 18:21:41,217 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 18:21:41,219 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 18:21:41,219 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 18:21:41,220 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 18:21:41,220 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 18:21:41,220 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 18:21:41,220 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 18:21:41,220 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 18:21:41,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 18:21:41,222 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 18:21:41,222 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 18:21:41,222 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 18:21:41,223 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 18:21:41,223 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 18:21:41,223 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 18:21:41,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 18:21:41,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 18:21:41,224 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 18:21:41,224 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 18:21:41,224 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 18:21:41,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 18:21:41,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 18:21:41,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-06 18:21:41,225 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 18:21:41,225 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 18:21:41,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 18:21:41,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 18:21:41,226 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-06 18:21:41,226 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-06 18:21:41,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 18:21:41,550 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 18:21:41,553 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 18:21:41,555 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-06 18:21:41,555 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-06 18:21:41,556 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=14.bpl [2020-10-06 18:21:41,556 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=14.bpl' [2020-10-06 18:21:41,598 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 18:21:41,600 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-06 18:21:41,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 18:21:41,601 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 18:21:41,601 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 18:21:41,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:21:41" (1/1) ... [2020-10-06 18:21:41,627 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:21:41" (1/1) ... [2020-10-06 18:21:41,636 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 18:21:41,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 18:21:41,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 18:21:41,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 18:21:41,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:21:41" (1/1) ... [2020-10-06 18:21:41,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:21:41" (1/1) ... [2020-10-06 18:21:41,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:21:41" (1/1) ... [2020-10-06 18:21:41,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:21:41" (1/1) ... [2020-10-06 18:21:41,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:21:41" (1/1) ... [2020-10-06 18:21:41,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:21:41" (1/1) ... [2020-10-06 18:21:41,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:21:41" (1/1) ... [2020-10-06 18:21:41,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 18:21:41,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 18:21:41,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 18:21:41,673 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 18:21:41,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:21:41" (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 18:21:41,757 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-06 18:21:41,758 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-06 18:21:41,759 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-06 18:21:41,760 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-06 18:21:41,760 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-06 18:21:41,760 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-06 18:21:41,761 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-06 18:21:41,761 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-06 18:21:41,761 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-06 18:21:41,761 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-06 18:21:41,761 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-06 18:21:41,761 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-06 18:21:41,762 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-06 18:21:41,762 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-06 18:21:41,762 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-06 18:21:41,762 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-06 18:21:41,762 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-06 18:21:41,763 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-06 18:21:41,763 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-06 18:21:41,763 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-06 18:21:41,764 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-06 18:21:41,765 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-06 18:21:41,765 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-06 18:21:41,766 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-06 18:21:41,773 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-06 18:21:41,774 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-06 18:21:41,774 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-06 18:21:41,776 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-06 18:21:41,777 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-06 18:21:41,777 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-06 18:21:41,777 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-06 18:21:41,778 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-06 18:21:41,778 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-06 18:21:41,778 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-06 18:21:41,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 18:21:41,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 18:21:41,779 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-06 18:21:41,780 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-06 18:21:41,780 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-06 18:21:41,780 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-06 18:21:41,780 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-06 18:21:41,780 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-06 18:21:41,781 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-06 18:21:41,781 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-06 18:21:41,781 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-06 18:21:41,783 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 18:21:42,150 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 18:21:42,150 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-06 18:21:42,152 INFO L202 PluginConnector]: Adding new model example2_N=14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:21:42 BoogieIcfgContainer [2020-10-06 18:21:42,153 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 18:21:42,154 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 18:21:42,154 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 18:21:42,158 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 18:21:42,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:21:41" (1/2) ... [2020-10-06 18:21:42,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@483efce6 and model type example2_N=14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 06:21:42, skipping insertion in model container [2020-10-06 18:21:42,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:21:42" (2/2) ... [2020-10-06 18:21:42,161 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=14.bpl [2020-10-06 18:21:42,173 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 18:21:42,173 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-06 18:21:42,180 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 18:21:42,181 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 18:21:42,493 INFO L253 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2020-10-06 18:21:42,514 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-06 18:21:42,514 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-06 18:21:42,514 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-06 18:21:42,515 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-06 18:21:42,515 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 18:21:42,515 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-06 18:21:42,515 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 18:21:42,515 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 18:21:42,533 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-06 18:21:42,535 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 117 places, 88 transitions, 288 flow [2020-10-06 18:21:42,537 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 117 places, 88 transitions, 288 flow [2020-10-06 18:21:42,539 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 117 places, 88 transitions, 288 flow [2020-10-06 18:21:42,603 INFO L129 PetriNetUnfolder]: 14/74 cut-off events. [2020-10-06 18:21:42,603 INFO L130 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2020-10-06 18:21:42,615 INFO L80 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 74 events. 14/74 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 105 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 81. Up to 2 conditions per place. [2020-10-06 18:21:42,620 INFO L117 LiptonReduction]: Number of co-enabled transitions 2730 [2020-10-06 18:21:43,216 INFO L132 LiptonReduction]: Checked pairs total: 4225 [2020-10-06 18:21:43,217 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-06 18:21:43,223 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 115 places, 86 transitions, 284 flow Received shutdown request... [2020-10-06 18:35:42,491 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-06 18:35:42,494 WARN L235 ceAbstractionStarter]: Timeout [2020-10-06 18:35:42,494 INFO L202 PluginConnector]: Adding new model example2_N=14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 06:35:42 BasicIcfg [2020-10-06 18:35:42,494 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 18:35:42,497 INFO L168 Benchmark]: Toolchain (without parser) took 840896.68 ms. Allocated memory was 246.4 MB in the beginning and 6.2 GB in the end (delta: 5.9 GB). Free memory was 220.3 MB in the beginning and 3.2 GB in the end (delta: -2.9 GB). Peak memory consumption was 5.6 GB. Max. memory is 14.2 GB. [2020-10-06 18:35:42,498 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 246.4 MB. Free memory is still 220.3 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 18:35:42,500 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.16 ms. Allocated memory is still 246.4 MB. Free memory was 220.3 MB in the beginning and 217.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 18:35:42,501 INFO L168 Benchmark]: Boogie Preprocessor took 34.24 ms. Allocated memory is still 246.4 MB. Free memory was 217.8 MB in the beginning and 215.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 18:35:42,502 INFO L168 Benchmark]: RCFGBuilder took 480.01 ms. Allocated memory is still 246.4 MB. Free memory was 215.2 MB in the beginning and 197.6 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 14.2 GB. [2020-10-06 18:35:42,503 INFO L168 Benchmark]: TraceAbstraction took 840340.34 ms. Allocated memory was 246.4 MB in the beginning and 6.2 GB in the end (delta: 5.9 GB). Free memory was 195.1 MB in the beginning and 3.2 GB in the end (delta: -3.0 GB). Peak memory consumption was 5.6 GB. Max. memory is 14.2 GB. [2020-10-06 18:35:42,514 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 0.18 ms. Allocated memory is still 246.4 MB. Free memory is still 220.3 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 37.16 ms. Allocated memory is still 246.4 MB. Free memory was 220.3 MB in the beginning and 217.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 34.24 ms. Allocated memory is still 246.4 MB. Free memory was 217.8 MB in the beginning and 215.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 480.01 ms. Allocated memory is still 246.4 MB. Free memory was 215.2 MB in the beginning and 197.6 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 14.2 GB. * TraceAbstraction took 840340.34 ms. Allocated memory was 246.4 MB in the beginning and 6.2 GB in the end (delta: 5.9 GB). Free memory was 195.1 MB in the beginning and 3.2 GB in the end (delta: -3.0 GB). Peak memory consumption was 5.6 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 998 VarBasedMoverChecksPositive, 92 VarBasedMoverChecksNegative, 53 SemBasedMoverChecksPositive, 39 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 1021 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.6s, 117 PlacesBefore, 115 PlacesAfterwards, 88 TransitionsBefore, 86 TransitionsAfterwards, 2730 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 4225 MoverChecksTotal - TimeoutResultAtElement [Line: 38]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 38). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 115 places, 86 transitions, 284 flow. Already constructed 589828 states. Currently 283948 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 15 procedures, 75 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 839.9s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 839.9s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown