/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-VariableLbe.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-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-24 15:29:28,188 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-24 15:29:28,190 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-24 15:29:28,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-24 15:29:28,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-24 15:29:28,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-24 15:29:28,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-24 15:29:28,230 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-24 15:29:28,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-24 15:29:28,232 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-24 15:29:28,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-24 15:29:28,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-24 15:29:28,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-24 15:29:28,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-24 15:29:28,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-24 15:29:28,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-24 15:29:28,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-24 15:29:28,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-24 15:29:28,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-24 15:29:28,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-24 15:29:28,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-24 15:29:28,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-24 15:29:28,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-24 15:29:28,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-24 15:29:28,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-24 15:29:28,250 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-24 15:29:28,250 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-24 15:29:28,251 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-24 15:29:28,251 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-24 15:29:28,252 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-24 15:29:28,252 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-24 15:29:28,253 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-24 15:29:28,254 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-24 15:29:28,254 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-24 15:29:28,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-24 15:29:28,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-24 15:29:28,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-24 15:29:28,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-24 15:29:28,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-24 15:29:28,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-24 15:29:28,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-24 15:29:28,259 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-VariableLbe.epf [2021-03-24 15:29:28,279 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-24 15:29:28,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-24 15:29:28,280 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-24 15:29:28,280 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-24 15:29:28,281 INFO L138 SettingsManager]: * Use SBE=true [2021-03-24 15:29:28,281 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-24 15:29:28,281 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-24 15:29:28,281 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-24 15:29:28,281 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-24 15:29:28,282 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-24 15:29:28,282 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-24 15:29:28,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-24 15:29:28,282 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-24 15:29:28,282 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-24 15:29:28,282 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-24 15:29:28,282 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-24 15:29:28,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-24 15:29:28,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-24 15:29:28,283 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-24 15:29:28,283 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-24 15:29:28,283 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-24 15:29:28,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 15:29:28,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-24 15:29:28,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-24 15:29:28,284 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-24 15:29:28,284 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-24 15:29:28,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-24 15:29:28,284 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-24 15:29:28,284 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-24 15:29:28,285 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-24 15:29:28,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-24 15:29:28,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-24 15:29:28,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-24 15:29:28,561 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-24 15:29:28,562 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-24 15:29:28,566 INFO L432 ainManager$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 [2021-03-24 15:29:28,566 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-8.wvr.bpl' [2021-03-24 15:29:28,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-24 15:29:28,617 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-24 15:29:28,618 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-24 15:29:28,618 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-24 15:29:28,619 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-24 15:29:28,629 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 24.03 03:29:28" (1/1) ... [2021-03-24 15:29:28,635 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 24.03 03:29:28" (1/1) ... [2021-03-24 15:29:28,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-24 15:29:28,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-24 15:29:28,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-24 15:29:28,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-24 15:29:28,649 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 03:29:28" (1/1) ... [2021-03-24 15:29:28,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 03:29:28" (1/1) ... [2021-03-24 15:29:28,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 03:29:28" (1/1) ... [2021-03-24 15:29:28,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 03:29:28" (1/1) ... [2021-03-24 15:29:28,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 03:29:28" (1/1) ... [2021-03-24 15:29:28,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 03:29:28" (1/1) ... [2021-03-24 15:29:28,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 03:29:28" (1/1) ... [2021-03-24 15:29:28,657 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-24 15:29:28,658 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-24 15:29:28,658 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-24 15:29:28,658 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-24 15:29:28,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 03:29:28" (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 [2021-03-24 15:29:28,725 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-24 15:29:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-24 15:29:28,725 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-24 15:29:28,725 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-24 15:29:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-24 15:29:28,725 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-24 15:29:28,726 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-24 15:29:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-24 15:29:28,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-24 15:29:28,726 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-24 15:29:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-24 15:29:28,726 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-24 15:29:28,726 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-03-24 15:29:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-03-24 15:29:28,727 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-03-24 15:29:28,727 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-03-24 15:29:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-03-24 15:29:28,727 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-03-24 15:29:28,727 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2021-03-24 15:29:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-03-24 15:29:28,728 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-03-24 15:29:28,728 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2021-03-24 15:29:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2021-03-24 15:29:28,728 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2021-03-24 15:29:28,728 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2021-03-24 15:29:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2021-03-24 15:29:28,728 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2021-03-24 15:29:28,729 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-24 15:29:28,963 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-24 15:29:28,964 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-24 15:29:28,965 INFO L202 PluginConnector]: Adding new model ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 03:29:28 BoogieIcfgContainer [2021-03-24 15:29:28,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-24 15:29:28,978 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-24 15:29:28,979 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-24 15:29:28,981 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-24 15:29:28,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 03:29:28" (1/2) ... [2021-03-24 15:29:28,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d2ee87a and model type ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 03:29:28, skipping insertion in model container [2021-03-24 15:29:28,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 03:29:28" (2/2) ... [2021-03-24 15:29:28,983 INFO L111 eAbstractionObserver]: Analyzing ICFG ticket-8.wvr.bpl [2021-03-24 15:29:28,987 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-24 15:29:28,990 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-24 15:29:28,990 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-24 15:29:29,089 INFO L149 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2021-03-24 15:29:29,106 INFO L253 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2021-03-24 15:29:29,124 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-24 15:29:29,125 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-24 15:29:29,125 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-24 15:29:29,125 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-24 15:29:29,125 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-24 15:29:29,125 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-24 15:29:29,125 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-24 15:29:29,125 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-24 15:29:29,136 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 95 places, 70 transitions, 204 flow [2021-03-24 15:29:29,176 INFO L129 PetriNetUnfolder]: 0/62 cut-off events. [2021-03-24 15:29:29,177 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-03-24 15:29:29,178 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. [2021-03-24 15:29:29,179 INFO L82 GeneralOperation]: Start removeDead. Operand has 95 places, 70 transitions, 204 flow [2021-03-24 15:29:29,183 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 85 places, 60 transitions, 168 flow [2021-03-24 15:29:29,184 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-24 15:29:29,192 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 60 transitions, 168 flow [2021-03-24 15:29:29,194 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 60 transitions, 168 flow [2021-03-24 15:29:29,196 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 60 transitions, 168 flow [2021-03-24 15:29:29,220 INFO L129 PetriNetUnfolder]: 0/60 cut-off events. [2021-03-24 15:29:29,220 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-03-24 15:29:29,220 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. [2021-03-24 15:29:29,223 INFO L142 LiptonReduction]: Number of co-enabled transitions 2044 [2021-03-24 15:29:29,333 INFO L154 LiptonReduction]: Checked pairs total: 4190 [2021-03-24 15:29:29,333 INFO L156 LiptonReduction]: Total number of compositions: 9 [2021-03-24 15:29:29,335 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 152 [2021-03-24 15:29:29,371 INFO L129 PetriNetUnfolder]: 0/50 cut-off events. [2021-03-24 15:29:29,371 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-03-24 15:29:29,371 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:29:29,372 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:29:29,372 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]=== [2021-03-24 15:29:29,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:29:29,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1373008452, now seen corresponding path program 1 times [2021-03-24 15:29:29,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:29:29,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883478542] [2021-03-24 15:29:29,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:29:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:29:29,717 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-24 15:29:29,720 INFO L147 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size 9 [2021-03-24 15:29:29,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:29,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:29,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:29,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:29,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:29,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:29,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:29,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:29,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:29,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-03-24 15:29:29,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:29,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:29,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:29,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:29,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:29,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:29,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:29,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-03-24 15:29:29,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:29:29,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883478542] [2021-03-24 15:29:29,780 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 15:29:29,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 15:29:29,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425186966] [2021-03-24 15:29:29,791 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 15:29:29,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:29:29,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 15:29:29,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-24 15:29:29,806 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 79 [2021-03-24 15:29:29,812 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 51 transitions, 150 flow. Second operand has 5 states, 5 states have (on average 61.8) internal successors, (309), 5 states have internal predecessors, (309), 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) [2021-03-24 15:29:29,813 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:29:29,813 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 79 [2021-03-24 15:29:29,814 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:29:38,029 INFO L129 PetriNetUnfolder]: 55199/80595 cut-off events. [2021-03-24 15:29:38,029 INFO L130 PetriNetUnfolder]: For 1843/1843 co-relation queries the response was YES. [2021-03-24 15:29:38,425 INFO L84 FinitePrefix]: Finished finitePrefix Result has 150530 conditions, 80595 events. 55199/80595 cut-off events. For 1843/1843 co-relation queries the response was YES. Maximal size of possible extension queue 4131. Compared 641469 event pairs, 26068 based on Foata normal form. 1/79961 useless extension candidates. Maximal degree in co-relation 150488. Up to 34992 conditions per place. [2021-03-24 15:29:38,903 INFO L132 encePairwiseOnDemand]: 60/79 looper letters, 38 selfloop transitions, 17 changer transitions 1/88 dead transitions. [2021-03-24 15:29:38,904 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 88 transitions, 336 flow [2021-03-24 15:29:38,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 15:29:38,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 15:29:38,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 347 transitions. [2021-03-24 15:29:38,920 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8784810126582279 [2021-03-24 15:29:38,921 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 347 transitions. [2021-03-24 15:29:38,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 347 transitions. [2021-03-24 15:29:38,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:29:38,934 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 347 transitions. [2021-03-24 15:29:38,939 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 69.4) internal successors, (347), 5 states have internal predecessors, (347), 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) [2021-03-24 15:29:38,947 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 79.0) internal successors, (474), 6 states have internal predecessors, (474), 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) [2021-03-24 15:29:38,948 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 79.0) internal successors, (474), 6 states have internal predecessors, (474), 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) [2021-03-24 15:29:38,949 INFO L185 Difference]: Start difference. First operand has 76 places, 51 transitions, 150 flow. Second operand 5 states and 347 transitions. [2021-03-24 15:29:38,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 88 transitions, 336 flow [2021-03-24 15:29:39,114 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 88 transitions, 304 flow, removed 0 selfloop flow, removed 16 redundant places. [2021-03-24 15:29:39,117 INFO L241 Difference]: Finished difference. Result has 67 places, 66 transitions, 242 flow [2021-03-24 15:29:39,119 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=242, PETRI_PLACES=67, PETRI_TRANSITIONS=66} [2021-03-24 15:29:39,120 INFO L343 CegarLoopForPetriNet]: 76 programPoint places, -9 predicate places. [2021-03-24 15:29:39,120 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 66 transitions, 242 flow [2021-03-24 15:29:39,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 61.8) internal successors, (309), 5 states have internal predecessors, (309), 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) [2021-03-24 15:29:39,121 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:29:39,121 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:29:39,121 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-24 15:29:39,122 INFO L428 AbstractCegarLoop]: === Iteration 2 === [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]=== [2021-03-24 15:29:39,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:29:39,122 INFO L82 PathProgramCache]: Analyzing trace with hash -322388700, now seen corresponding path program 2 times [2021-03-24 15:29:39,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:29:39,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509853773] [2021-03-24 15:29:39,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:29:39,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:29:39,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:39,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:39,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:39,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:29:39,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:39,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:29:39,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:39,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:29:39,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:39,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:29:39,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:39,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:29:39,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:39,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:29:39,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:39,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:29:39,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:39,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:29:39,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:39,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:39,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:29:39,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509853773] [2021-03-24 15:29:39,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 15:29:39,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-24 15:29:39,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292521435] [2021-03-24 15:29:39,417 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 15:29:39,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:29:39,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 15:29:39,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-03-24 15:29:39,419 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 79 [2021-03-24 15:29:39,419 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 66 transitions, 242 flow. Second operand has 11 states, 11 states have (on average 47.27272727272727) internal successors, (520), 11 states have internal predecessors, (520), 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) [2021-03-24 15:29:39,419 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:29:39,420 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 79 [2021-03-24 15:29:39,420 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:36:25,972 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([213] L32-->thread1EXIT: Formula: (= v_s_54 (+ v_s_55 1)) InVars {s=v_s_55} OutVars{s=v_s_54} AuxVars[] AssignedVars[s][158], [32#thread1EXITtrue, 66#thread7EXITtrue, 99#true, 70#L68true, Black: 101#(and (= x t) (= t 0) (not b)), 73#L38true, 74#L56true, Black: 102#(and (not b) (not (= x 1))), Black: 103#(not b), 114#(<= (+ s 4) t), 56#L129true, 29#L86true, 62#thread5ENTRYtrue]) [2021-03-24 15:36:25,972 INFO L384 tUnfolder$Statistics]: this new event has 25 ancestors and is not cut-off event [2021-03-24 15:36:25,972 INFO L387 tUnfolder$Statistics]: existing Event has 25 ancestors and is not cut-off event [2021-03-24 15:36:25,973 INFO L387 tUnfolder$Statistics]: existing Event has 25 ancestors and is not cut-off event [2021-03-24 15:36:25,973 INFO L387 tUnfolder$Statistics]: existing Event has 25 ancestors and is not cut-off event [2021-03-24 15:36:26,679 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([213] L32-->thread1EXIT: Formula: (= v_s_54 (+ v_s_55 1)) InVars {s=v_s_55} OutVars{s=v_s_54} AuxVars[] AssignedVars[s][158], [32#thread1EXITtrue, 66#thread7EXITtrue, 99#true, Black: 101#(and (= x t) (= t 0) (not b)), 73#L38true, 74#L56true, Black: 102#(and (not b) (not (= x 1))), Black: 103#(not b), 76#thread4ENTRYtrue, 17#L80true, 114#(<= (+ s 4) t), 56#L129true, 29#L86true]) [2021-03-24 15:36:26,679 INFO L384 tUnfolder$Statistics]: this new event has 25 ancestors and is not cut-off event [2021-03-24 15:36:26,679 INFO L387 tUnfolder$Statistics]: existing Event has 25 ancestors and is not cut-off event [2021-03-24 15:36:26,679 INFO L387 tUnfolder$Statistics]: existing Event has 25 ancestors and is not cut-off event [2021-03-24 15:36:26,679 INFO L387 tUnfolder$Statistics]: existing Event has 25 ancestors and is not cut-off event [2021-03-24 15:38:27,947 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([213] L32-->thread1EXIT: Formula: (= v_s_54 (+ v_s_55 1)) InVars {s=v_s_55} OutVars{s=v_s_54} AuxVars[] AssignedVars[s][192], [32#thread1EXITtrue, 99#true, 70#L68true, Black: 101#(and (= x t) (= t 0) (not b)), 73#L38true, 74#L56true, Black: 102#(and (not b) (not (= x 1))), Black: 103#(not b), 47#thread5EXITtrue, 115#(<= (+ s 5) t), 56#L129true, 26#L98true, 29#L86true]) [2021-03-24 15:38:27,948 INFO L384 tUnfolder$Statistics]: this new event has 26 ancestors and is cut-off event [2021-03-24 15:38:27,948 INFO L387 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2021-03-24 15:38:27,948 INFO L387 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2021-03-24 15:38:27,948 INFO L387 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2021-03-24 15:38:28,074 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([213] L32-->thread1EXIT: Formula: (= v_s_54 (+ v_s_55 1)) InVars {s=v_s_55} OutVars{s=v_s_54} AuxVars[] AssignedVars[s][192], [32#thread1EXITtrue, 66#thread7EXITtrue, 99#true, 70#L68true, 73#L38true, Black: 101#(and (= x t) (= t 0) (not b)), 74#L56true, Black: 102#(and (not b) (not (= x 1))), Black: 103#(not b), 45#L74true, 115#(<= (+ s 5) t), 56#L129true, 29#L86true]) [2021-03-24 15:38:28,075 INFO L384 tUnfolder$Statistics]: this new event has 26 ancestors and is cut-off event [2021-03-24 15:38:28,075 INFO L387 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2021-03-24 15:38:28,075 INFO L387 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2021-03-24 15:38:28,075 INFO L387 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2021-03-24 15:38:28,131 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([213] L32-->thread1EXIT: Formula: (= v_s_54 (+ v_s_55 1)) InVars {s=v_s_55} OutVars{s=v_s_54} AuxVars[] AssignedVars[s][158], [32#thread1EXITtrue, 66#thread7EXITtrue, 99#true, 70#L68true, 73#L38true, Black: 101#(and (= x t) (= t 0) (not b)), Black: 102#(and (not b) (not (= x 1))), 74#L56true, Black: 103#(not b), 81#L91true, 114#(<= (+ s 4) t), 56#L129true, 62#thread5ENTRYtrue]) [2021-03-24 15:38:28,131 INFO L384 tUnfolder$Statistics]: this new event has 26 ancestors and is cut-off event [2021-03-24 15:38:28,131 INFO L387 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2021-03-24 15:38:28,131 INFO L387 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2021-03-24 15:38:28,132 INFO L387 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2021-03-24 15:38:29,325 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([213] L32-->thread1EXIT: Formula: (= v_s_54 (+ v_s_55 1)) InVars {s=v_s_55} OutVars{s=v_s_54} AuxVars[] AssignedVars[s][158], [32#thread1EXITtrue, 66#thread7EXITtrue, 99#true, Black: 101#(and (= x t) (= t 0) (not b)), 73#L38true, Black: 102#(and (not b) (not (= x 1))), 74#L56true, Black: 103#(not b), 76#thread4ENTRYtrue, 17#L80true, 81#L91true, 114#(<= (+ s 4) t), 56#L129true]) [2021-03-24 15:38:29,326 INFO L384 tUnfolder$Statistics]: this new event has 26 ancestors and is cut-off event [2021-03-24 15:38:29,326 INFO L387 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2021-03-24 15:38:29,326 INFO L387 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2021-03-24 15:38:29,326 INFO L387 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown [2021-03-24 15:39:46,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 15:39:46,422 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-24 15:39:46,422 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-24 15:39:46,437 WARN L224 ceAbstractionStarter]: Timeout [2021-03-24 15:39:46,437 INFO L202 PluginConnector]: Adding new model ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.03 03:39:46 BasicIcfg [2021-03-24 15:39:46,438 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-24 15:39:46,439 INFO L168 Benchmark]: Toolchain (without parser) took 617821.63 ms. Allocated memory was 255.9 MB in the beginning and 13.2 GB in the end (delta: 12.9 GB). Free memory was 236.6 MB in the beginning and 5.1 GB in the end (delta: -4.9 GB). Peak memory consumption was 8.3 GB. Max. memory is 16.0 GB. [2021-03-24 15:39:46,442 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 255.9 MB. Free memory was 238.0 MB in the beginning and 238.0 MB in the end (delta: 9.0 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-24 15:39:46,442 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.39 ms. Allocated memory is still 255.9 MB. Free memory was 236.6 MB in the beginning and 235.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 15:39:46,451 INFO L168 Benchmark]: Boogie Preprocessor took 14.43 ms. Allocated memory is still 255.9 MB. Free memory was 235.1 MB in the beginning and 234.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-24 15:39:46,451 INFO L168 Benchmark]: RCFGBuilder took 311.76 ms. Allocated memory is still 255.9 MB. Free memory was 233.9 MB in the beginning and 229.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.0 GB. [2021-03-24 15:39:46,452 INFO L168 Benchmark]: TraceAbstraction took 617459.67 ms. Allocated memory was 255.9 MB in the beginning and 13.2 GB in the end (delta: 12.9 GB). Free memory was 228.6 MB in the beginning and 5.1 GB in the end (delta: -4.9 GB). Peak memory consumption was 8.3 GB. Max. memory is 16.0 GB. [2021-03-24 15:39:46,460 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 0.22 ms. Allocated memory is still 255.9 MB. Free memory was 238.0 MB in the beginning and 238.0 MB in the end (delta: 9.0 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 23.39 ms. Allocated memory is still 255.9 MB. Free memory was 236.6 MB in the beginning and 235.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 14.43 ms. Allocated memory is still 255.9 MB. Free memory was 235.1 MB in the beginning and 234.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 311.76 ms. Allocated memory is still 255.9 MB. Free memory was 233.9 MB in the beginning and 229.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 617459.67 ms. Allocated memory was 255.9 MB in the beginning and 13.2 GB in the end (delta: 12.9 GB). Free memory was 228.6 MB in the beginning and 5.1 GB in the end (delta: -4.9 GB). Peak memory consumption was 8.3 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 139.4ms, 85 PlacesBefore, 76 PlacesAfterwards, 60 TransitionsBefore, 51 TransitionsAfterwards, 2044 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 8 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 9 TotalNumberOfCompositions, 4190 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 851, positive: 753, positive conditional: 0, positive unconditional: 753, negative: 98, negative conditional: 0, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 509, positive: 464, positive conditional: 0, positive unconditional: 464, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 509, positive: 464, positive conditional: 0, positive unconditional: 464, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 851, positive: 289, positive conditional: 0, positive unconditional: 289, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 509, unknown conditional: 0, unknown unconditional: 509] , Statistics on independence cache: Total cache size (in pairs): 163, Positive cache size: 133, Positive conditional cache size: 0, Positive unconditional cache size: 133, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30 - TimeoutResultAtElement [Line: 140]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 140). Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (11states, 45/79 universal loopers) in iteration 2,while PetriNetUnfolder was constructing finite prefix that currently has 3091388 conditions, 1352977 events (1047639/1352976 cut-off events. For 253984/260996 co-relation queries the response was YES. Maximal size of possible extension queue 150582. Compared 11745001 event pairs, 298172 based on Foata normal form. 154/1288506 useless extension candidates. Maximal degree in co-relation 3090006. Up to 326040 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 30.9ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 617302.0ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 616323.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 214.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 6 SDtfs, 72 SDslu, 16 SDs, 0 SdLazy, 762 SolverSat, 118 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 459.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 112.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=242occurred in iteration=1, InterpolantAutomatonStates: 5, 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: 19.3ms SsaConstructionTime, 107.3ms SatisfiabilityAnalysisTime, 466.0ms InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 478 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 2021-03-24 15:29:26.962 ----------------------------------------------- eclipse.buildId=unknown java.version=11.0.9.1 java.vendor=Debian BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.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-VariableLbe.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 2021-03-24 15:39:46.746 !MESSAGE Application error !STACK 1 org.eclipse.core.internal.resources.ResourceException(/)[568]: java.io.FileNotFoundException: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42b2b58bf/.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/42b2b58bf/.metadata/.log.