/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-8.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-29 05:54:59,265 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-29 05:54:59,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-29 05:54:59,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-29 05:54:59,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-29 05:54:59,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-29 05:54:59,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-29 05:54:59,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-29 05:54:59,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-29 05:54:59,316 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-29 05:54:59,317 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-29 05:54:59,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-29 05:54:59,319 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-29 05:54:59,320 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-29 05:54:59,322 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-29 05:54:59,323 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-29 05:54:59,324 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-29 05:54:59,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-29 05:54:59,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-29 05:54:59,330 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-29 05:54:59,332 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-29 05:54:59,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-29 05:54:59,335 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-29 05:54:59,336 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-29 05:54:59,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-29 05:54:59,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-29 05:54:59,340 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-29 05:54:59,342 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-29 05:54:59,342 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-29 05:54:59,343 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-29 05:54:59,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-29 05:54:59,345 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-29 05:54:59,346 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-29 05:54:59,347 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-29 05:54:59,348 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-29 05:54:59,348 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-29 05:54:59,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-29 05:54:59,350 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-29 05:54:59,350 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-29 05:54:59,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-29 05:54:59,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-29 05:54:59,353 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-29 05:54:59,391 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-29 05:54:59,391 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-29 05:54:59,393 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-29 05:54:59,393 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-29 05:54:59,393 INFO L138 SettingsManager]: * Use SBE=true [2021-04-29 05:54:59,394 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-29 05:54:59,394 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-29 05:54:59,394 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-29 05:54:59,394 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-29 05:54:59,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-29 05:54:59,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-29 05:54:59,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-29 05:54:59,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-29 05:54:59,396 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-29 05:54:59,396 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-29 05:54:59,396 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-29 05:54:59,396 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-29 05:54:59,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-29 05:54:59,397 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-29 05:54:59,397 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-29 05:54:59,397 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-29 05:54:59,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 05:54:59,398 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-29 05:54:59,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-29 05:54:59,398 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-29 05:54:59,398 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-29 05:54:59,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-29 05:54:59,399 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-29 05:54:59,399 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-29 05:54:59,399 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-29 05:54:59,399 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-29 05:54:59,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-29 05:54:59,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-29 05:54:59,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-29 05:54:59,805 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-04-29 05:54:59,806 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-04-29 05:54:59,807 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-8.wvr.bpl [2021-04-29 05:54:59,807 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-8.wvr.bpl' [2021-04-29 05:54:59,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-29 05:54:59,922 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-04-29 05:54:59,924 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-29 05:54:59,924 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-29 05:54:59,924 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-29 05:54:59,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:54:59" (1/1) ... [2021-04-29 05:54:59,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:54:59" (1/1) ... [2021-04-29 05:54:59,956 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-29 05:54:59,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-29 05:54:59,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-29 05:54:59,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-29 05:54:59,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:54:59" (1/1) ... [2021-04-29 05:54:59,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:54:59" (1/1) ... [2021-04-29 05:54:59,970 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:54:59" (1/1) ... [2021-04-29 05:54:59,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:54:59" (1/1) ... [2021-04-29 05:54:59,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:54:59" (1/1) ... [2021-04-29 05:54:59,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:54:59" (1/1) ... [2021-04-29 05:54:59,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:54:59" (1/1) ... [2021-04-29 05:54:59,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-29 05:54:59,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-29 05:54:59,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-29 05:54:59,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-29 05:54:59,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:54:59" (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 [2021-04-29 05:55:00,121 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-04-29 05:55:00,124 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-04-29 05:55:00,128 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-04-29 05:55:00,129 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-04-29 05:55:00,129 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-04-29 05:55:00,129 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-04-29 05:55:00,130 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-04-29 05:55:00,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-29 05:55:00,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-29 05:55:00,131 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-04-29 05:55:00,131 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-04-29 05:55:00,131 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-04-29 05:55:00,131 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-04-29 05:55:00,131 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-04-29 05:55:00,132 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-04-29 05:55:00,132 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-04-29 05:55:00,132 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-04-29 05:55:00,135 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-04-29 05:55:00,138 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2021-04-29 05:55:00,138 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-04-29 05:55:00,138 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-04-29 05:55:00,139 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2021-04-29 05:55:00,139 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2021-04-29 05:55:00,139 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2021-04-29 05:55:00,139 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2021-04-29 05:55:00,139 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2021-04-29 05:55:00,140 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2021-04-29 05:55:00,141 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-29 05:55:00,564 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-29 05:55:00,564 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-04-29 05:55:00,567 INFO L202 PluginConnector]: Adding new model ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 05:55:00 BoogieIcfgContainer [2021-04-29 05:55:00,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-29 05:55:00,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-29 05:55:00,569 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-29 05:55:00,573 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-29 05:55:00,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:54:59" (1/2) ... [2021-04-29 05:55:00,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@466ff23a and model type ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 05:55:00, skipping insertion in model container [2021-04-29 05:55:00,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 05:55:00" (2/2) ... [2021-04-29 05:55:00,576 INFO L111 eAbstractionObserver]: Analyzing ICFG ticket-8.wvr.bpl [2021-04-29 05:55:00,587 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-29 05:55:00,592 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-29 05:55:00,593 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-29 05:55:00,780 INFO L149 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2021-04-29 05:55:00,809 INFO L253 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2021-04-29 05:55:00,858 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 05:55:00,859 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 05:55:00,859 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 05:55:00,859 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 05:55:00,859 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 05:55:00,859 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 05:55:00,859 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 05:55:00,860 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 05:55:00,883 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 95 places, 70 transitions, 204 flow [2021-04-29 05:55:00,987 INFO L129 PetriNetUnfolder]: 0/62 cut-off events. [2021-04-29 05:55:00,988 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-04-29 05:55:00,990 INFO L84 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 62 events. 0/62 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 179 event pairs, 0 based on Foata normal form. 0/61 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-29 05:55:00,991 INFO L82 GeneralOperation]: Start removeDead. Operand has 95 places, 70 transitions, 204 flow [2021-04-29 05:55:00,998 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 85 places, 60 transitions, 168 flow [2021-04-29 05:55:01,000 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:55:01,026 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 60 transitions, 168 flow [2021-04-29 05:55:01,033 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 60 transitions, 168 flow [2021-04-29 05:55:01,038 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 60 transitions, 168 flow [2021-04-29 05:55:01,094 INFO L129 PetriNetUnfolder]: 0/60 cut-off events. [2021-04-29 05:55:01,095 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-04-29 05:55:01,095 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 60 events. 0/60 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 178 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-29 05:55:01,104 INFO L146 LiptonReduction]: Number of co-enabled transitions 2044 [2021-04-29 05:55:05,299 INFO L158 LiptonReduction]: Checked pairs total: 10003 [2021-04-29 05:55:05,300 INFO L160 LiptonReduction]: Total number of compositions: 34 [2021-04-29 05:55:05,303 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4304 [2021-04-29 05:55:05,332 INFO L129 PetriNetUnfolder]: 0/60 cut-off events. [2021-04-29 05:55:05,332 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-04-29 05:55:05,333 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:55:05,333 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:55:05,334 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:55:05,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:55:05,340 INFO L82 PathProgramCache]: Analyzing trace with hash -542772841, now seen corresponding path program 1 times [2021-04-29 05:55:05,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:55:05,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358545633] [2021-04-29 05:55:05,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:55:05,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:55:05,691 INFO L142 QuantifierPusher]: treesize reduction 17, result has 43.3 percent of original size [2021-04-29 05:55:05,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 05:55:05,729 INFO L142 QuantifierPusher]: treesize reduction 4, result has 60.0 percent of original size [2021-04-29 05:55:05,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-04-29 05:55:05,737 INFO L142 QuantifierPusher]: treesize reduction 8, result has 42.9 percent of original size [2021-04-29 05:55:05,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-04-29 05:55:05,739 INFO L142 QuantifierPusher]: treesize reduction 8, result has 42.9 percent of original size [2021-04-29 05:55:05,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-04-29 05:55:05,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:05,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-04-29 05:55:05,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:05,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:55:05,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:05,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:55:05,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:05,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:55:05,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:05,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:55:05,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:05,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-04-29 05:55:05,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:55:05,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358545633] [2021-04-29 05:55:05,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:55:05,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 05:55:05,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826618003] [2021-04-29 05:55:05,775 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 05:55:05,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:55:05,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 05:55:05,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-04-29 05:55:05,794 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 104 [2021-04-29 05:55:05,799 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 62 transitions, 172 flow. Second operand has 6 states, 6 states have (on average 58.166666666666664) internal successors, (349), 6 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:55:05,799 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:55:05,799 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 104 [2021-04-29 05:55:05,800 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown [2021-04-29 06:04:35,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 06:04:35,613 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-29 06:04:35,613 WARN L545 AbstractCegarLoop]: Verification canceled [2021-04-29 06:04:35,623 WARN L224 ceAbstractionStarter]: Timeout [2021-04-29 06:04:35,623 INFO L202 PluginConnector]: Adding new model ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 06:04:35 BasicIcfg [2021-04-29 06:04:35,624 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-29 06:04:35,627 INFO L168 Benchmark]: Toolchain (without parser) took 575753.85 ms. Allocated memory was 318.8 MB in the beginning and 13.7 GB in the end (delta: 13.4 GB). Free memory was 287.6 MB in the beginning and 5.1 GB in the end (delta: -4.8 GB). Peak memory consumption was 9.3 GB. Max. memory is 16.0 GB. [2021-04-29 06:04:35,629 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 318.8 MB. Free memory is still 289.0 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 06:04:35,631 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.18 ms. Allocated memory is still 318.8 MB. Free memory was 302.0 MB in the beginning and 300.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-29 06:04:35,633 INFO L168 Benchmark]: Boogie Preprocessor took 23.01 ms. Allocated memory is still 318.8 MB. Free memory was 300.5 MB in the beginning and 299.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 06:04:35,634 INFO L168 Benchmark]: RCFGBuilder took 585.24 ms. Allocated memory is still 318.8 MB. Free memory was 299.5 MB in the beginning and 285.9 MB in the end (delta: 13.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-04-29 06:04:35,641 INFO L168 Benchmark]: TraceAbstraction took 575055.03 ms. Allocated memory was 318.8 MB in the beginning and 13.7 GB in the end (delta: 13.4 GB). Free memory was 285.4 MB in the beginning and 5.1 GB in the end (delta: -4.8 GB). Peak memory consumption was 9.3 GB. Max. memory is 16.0 GB. [2021-04-29 06:04:35,648 INFO L339 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 318.8 MB. Free memory is still 289.0 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 33.18 ms. Allocated memory is still 318.8 MB. Free memory was 302.0 MB in the beginning and 300.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 23.01 ms. Allocated memory is still 318.8 MB. Free memory was 300.5 MB in the beginning and 299.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 585.24 ms. Allocated memory is still 318.8 MB. Free memory was 299.5 MB in the beginning and 285.9 MB in the end (delta: 13.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 575055.03 ms. Allocated memory was 318.8 MB in the beginning and 13.7 GB in the end (delta: 13.4 GB). Free memory was 285.4 MB in the beginning and 5.1 GB in the end (delta: -4.8 GB). Peak memory consumption was 9.3 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4266.6ms, 85 PlacesBefore, 87 PlacesAfterwards, 60 TransitionsBefore, 62 TransitionsAfterwards, 2044 CoEnabledTransitionPairs, 4 FixpointIterations, 1 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 34 TotalNumberOfCompositions, 10003 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2397, positive: 2202, positive conditional: 2202, positive unconditional: 0, negative: 195, negative conditional: 195, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1529, positive: 1450, positive conditional: 0, positive unconditional: 1450, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1529, positive: 1450, positive conditional: 0, positive unconditional: 1450, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1529, positive: 1106, positive conditional: 0, positive unconditional: 1106, negative: 423, negative conditional: 0, negative unconditional: 423, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 423, positive: 344, positive conditional: 0, positive unconditional: 344, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1792, positive: 1362, positive conditional: 0, positive unconditional: 1362, negative: 430, negative conditional: 0, negative unconditional: 430, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2397, positive: 752, positive conditional: 752, positive unconditional: 0, negative: 116, negative conditional: 116, negative unconditional: 0, unknown: 1529, unknown conditional: 1529, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1529, Positive cache size: 1450, Positive conditional cache size: 1450, Positive unconditional cache size: 0, Negative cache size: 79, Negative conditional cache size: 79, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 140]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 140). Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (6states, 55/104 universal loopers) in iteration 1,while PetriNetUnfolder was constructing finite prefix that currently has 2980629 conditions, 1493544 events (1289246/1493543 cut-off events. For 14708/14708 co-relation queries the response was YES. Maximal size of possible extension queue 152209. Compared 8463678 event pairs, 636429 based on Foata normal form. 0/940683 useless extension candidates. Maximal degree in co-relation 2980605. Up to 789676 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 17.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 574764.4ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 569825.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 4455.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 5 SDtfs, 17 SDslu, 24 SDs, 0 SdLazy, 109 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 105.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 50.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=172occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 9.6ms SsaConstructionTime, 79.0ms SatisfiabilityAnalysisTime, 245.7ms InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 219 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout !SESSION 2021-04-29 05:54:57.264 ----------------------------------------------- eclipse.buildId=unknown java.version=11.0.10 java.vendor=AdoptOpenJDK BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_GB Framework arguments: -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-8.wvr.bpl Command-line arguments: -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-8.wvr.bpl !ENTRY org.eclipse.osgi 4 0 2021-04-29 06:04:35.934 !MESSAGE Application error !STACK 1 org.eclipse.core.internal.resources.ResourceException(/)[568]: java.io.FileNotFoundException: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e348e7f01/.metadata/.plugins/org.eclipse.core.resources/.root/1.tree (No such file or directory) at java.base/java.io.FileOutputStream.open0(Native Method) at java.base/java.io.FileOutputStream.open(FileOutputStream.java:298) at java.base/java.io.FileOutputStream.(FileOutputStream.java:237) at java.base/java.io.FileOutputStream.(FileOutputStream.java:187) at org.eclipse.core.internal.localstore.SafeFileOutputStream.(SafeFileOutputStream.java:55) at org.eclipse.core.internal.resources.SaveManager.saveTree(SaveManager.java:1381) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1168) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2333) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2322) at de.uni_freiburg.informatik.ultimate.core.coreplugin.UltimateCore.start(UltimateCore.java:191) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) An error has occurred. See the log file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e348e7f01/.metadata/.log.