/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=15.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-50b6972 [2020-10-06 18:21:45,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 18:21:45,244 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 18:21:45,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 18:21:45,278 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 18:21:45,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 18:21:45,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 18:21:45,292 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 18:21:45,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 18:21:45,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 18:21:45,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 18:21:45,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 18:21:45,301 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 18:21:45,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 18:21:45,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 18:21:45,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 18:21:45,309 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 18:21:45,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 18:21:45,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 18:21:45,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 18:21:45,321 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 18:21:45,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 18:21:45,323 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 18:21:45,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 18:21:45,335 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 18:21:45,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 18:21:45,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 18:21:45,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 18:21:45,339 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 18:21:45,340 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 18:21:45,340 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 18:21:45,341 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 18:21:45,342 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 18:21:45,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 18:21:45,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 18:21:45,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 18:21:45,347 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 18:21:45,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 18:21:45,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 18:21:45,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 18:21:45,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 18:21:45,357 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 18:21:45,379 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 18:21:45,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 18:21:45,381 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 18:21:45,381 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 18:21:45,381 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 18:21:45,382 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 18:21:45,382 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 18:21:45,382 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 18:21:45,382 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 18:21:45,382 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 18:21:45,382 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 18:21:45,383 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 18:21:45,383 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 18:21:45,383 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 18:21:45,383 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 18:21:45,383 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 18:21:45,383 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 18:21:45,384 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 18:21:45,384 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 18:21:45,384 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 18:21:45,384 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 18:21:45,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 18:21:45,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 18:21:45,385 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-06 18:21:45,385 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 18:21:45,385 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 18:21:45,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 18:21:45,385 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 18:21:45,386 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-06 18:21:45,386 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-06 18:21:45,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 18:21:45,715 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 18:21:45,718 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 18:21:45,720 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-06 18:21:45,720 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-06 18:21:45,721 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=15.bpl [2020-10-06 18:21:45,721 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=15.bpl' [2020-10-06 18:21:45,765 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 18:21:45,767 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-06 18:21:45,768 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 18:21:45,768 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 18:21:45,768 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 18:21:45,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:21:45" (1/1) ... [2020-10-06 18:21:45,794 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:21:45" (1/1) ... [2020-10-06 18:21:45,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 18:21:45,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 18:21:45,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 18:21:45,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 18:21:45,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:21:45" (1/1) ... [2020-10-06 18:21:45,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:21:45" (1/1) ... [2020-10-06 18:21:45,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:21:45" (1/1) ... [2020-10-06 18:21:45,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:21:45" (1/1) ... [2020-10-06 18:21:45,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:21:45" (1/1) ... [2020-10-06 18:21:45,831 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:21:45" (1/1) ... [2020-10-06 18:21:45,832 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:21:45" (1/1) ... [2020-10-06 18:21:45,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 18:21:45,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 18:21:45,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 18:21:45,836 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 18:21:45,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:21:45" (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 18:21:45,923 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-06 18:21:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-06 18:21:45,923 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-06 18:21:45,924 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-06 18:21:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-06 18:21:45,924 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-06 18:21:45,924 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-06 18:21:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-06 18:21:45,925 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-06 18:21:45,925 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-06 18:21:45,925 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-06 18:21:45,925 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-06 18:21:45,925 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-06 18:21:45,926 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-06 18:21:45,926 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-06 18:21:45,926 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-06 18:21:45,926 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-06 18:21:45,926 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-06 18:21:45,927 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-06 18:21:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-06 18:21:45,927 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-06 18:21:45,927 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-06 18:21:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-06 18:21:45,928 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-06 18:21:45,928 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-06 18:21:45,928 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-06 18:21:45,928 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-06 18:21:45,928 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-06 18:21:45,929 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-06 18:21:45,929 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-06 18:21:45,929 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-06 18:21:45,929 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-06 18:21:45,929 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-06 18:21:45,930 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-06 18:21:45,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 18:21:45,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 18:21:45,930 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-06 18:21:45,930 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-06 18:21:45,930 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-06 18:21:45,931 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-06 18:21:45,931 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-06 18:21:45,931 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-06 18:21:45,931 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-06 18:21:45,931 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-06 18:21:45,932 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-06 18:21:45,932 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-06 18:21:45,932 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-06 18:21:45,932 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-06 18:21:45,933 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 18:21:46,250 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 18:21:46,250 INFO L298 CfgBuilder]: Removed 15 assume(true) statements. [2020-10-06 18:21:46,252 INFO L202 PluginConnector]: Adding new model example2_N=15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:21:46 BoogieIcfgContainer [2020-10-06 18:21:46,252 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 18:21:46,253 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 18:21:46,254 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 18:21:46,257 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 18:21:46,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:21:45" (1/2) ... [2020-10-06 18:21:46,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38e2c0da and model type example2_N=15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 06:21:46, skipping insertion in model container [2020-10-06 18:21:46,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:21:46" (2/2) ... [2020-10-06 18:21:46,260 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=15.bpl [2020-10-06 18:21:46,272 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 18:21:46,272 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-06 18:21:46,278 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 18:21:46,279 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 18:21:46,502 INFO L253 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2020-10-06 18:21:46,525 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-06 18:21:46,525 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-06 18:21:46,525 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-06 18:21:46,525 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-06 18:21:46,525 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 18:21:46,526 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-06 18:21:46,526 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 18:21:46,526 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 18:21:46,545 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-06 18:21:46,548 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 94 transitions, 308 flow [2020-10-06 18:21:46,551 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 94 transitions, 308 flow [2020-10-06 18:21:46,553 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 125 places, 94 transitions, 308 flow [2020-10-06 18:21:46,696 INFO L129 PetriNetUnfolder]: 15/79 cut-off events. [2020-10-06 18:21:46,696 INFO L130 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2020-10-06 18:21:46,717 INFO L80 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 79 events. 15/79 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 127 event pairs, 0 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 87. Up to 2 conditions per place. [2020-10-06 18:21:46,723 INFO L117 LiptonReduction]: Number of co-enabled transitions 3150 [2020-10-06 18:21:47,339 INFO L132 LiptonReduction]: Checked pairs total: 4886 [2020-10-06 18:21:47,339 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-06 18:21:47,347 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 123 places, 92 transitions, 304 flow Received shutdown request... [2020-10-06 18:35:38,211 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-06 18:35:38,216 WARN L235 ceAbstractionStarter]: Timeout [2020-10-06 18:35:38,217 INFO L202 PluginConnector]: Adding new model example2_N=15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 06:35:38 BasicIcfg [2020-10-06 18:35:38,217 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 18:35:38,223 INFO L168 Benchmark]: Toolchain (without parser) took 832451.78 ms. Allocated memory was 250.6 MB in the beginning and 6.4 GB in the end (delta: 6.2 GB). Free memory was 227.0 MB in the beginning and 2.9 GB in the end (delta: -2.6 GB). Peak memory consumption was 5.9 GB. Max. memory is 14.2 GB. [2020-10-06 18:35:38,224 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 250.6 MB. Free memory is still 227.0 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 18:35:38,225 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.55 ms. Allocated memory is still 250.6 MB. Free memory was 227.0 MB in the beginning and 224.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 18:35:38,226 INFO L168 Benchmark]: Boogie Preprocessor took 30.49 ms. Allocated memory is still 250.6 MB. Free memory was 224.5 MB in the beginning and 222.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 18:35:38,227 INFO L168 Benchmark]: RCFGBuilder took 416.91 ms. Allocated memory is still 250.6 MB. Free memory was 222.0 MB in the beginning and 201.8 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 14.2 GB. [2020-10-06 18:35:38,228 INFO L168 Benchmark]: TraceAbstraction took 831963.32 ms. Allocated memory was 250.6 MB in the beginning and 6.4 GB in the end (delta: 6.2 GB). Free memory was 201.8 MB in the beginning and 2.9 GB in the end (delta: -2.7 GB). Peak memory consumption was 5.8 GB. Max. memory is 14.2 GB. [2020-10-06 18:35:38,233 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 0.22 ms. Allocated memory is still 250.6 MB. Free memory is still 227.0 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 36.55 ms. Allocated memory is still 250.6 MB. Free memory was 227.0 MB in the beginning and 224.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 30.49 ms. Allocated memory is still 250.6 MB. Free memory was 224.5 MB in the beginning and 222.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 416.91 ms. Allocated memory is still 250.6 MB. Free memory was 222.0 MB in the beginning and 201.8 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 14.2 GB. * TraceAbstraction took 831963.32 ms. Allocated memory was 250.6 MB in the beginning and 6.4 GB in the end (delta: 6.2 GB). Free memory was 201.8 MB in the beginning and 2.9 GB in the end (delta: -2.7 GB). Peak memory consumption was 5.8 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1280 VarBasedMoverChecksPositive, 99 VarBasedMoverChecksNegative, 57 SemBasedMoverChecksPositive, 42 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 1296 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.7s, 125 PlacesBefore, 123 PlacesAfterwards, 94 TransitionsBefore, 92 TransitionsAfterwards, 3150 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 4886 MoverChecksTotal - TimeoutResultAtElement [Line: 40]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 40). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 123 places, 92 transitions, 304 flow. Already constructed 672021 states. Currently 333924 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 16 procedures, 80 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 831.6s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 831.6s, 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