/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=13.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 13:14:32,105 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 13:14:32,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 13:14:32,146 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 13:14:32,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 13:14:32,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 13:14:32,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 13:14:32,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 13:14:32,163 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 13:14:32,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 13:14:32,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 13:14:32,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 13:14:32,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 13:14:32,171 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 13:14:32,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 13:14:32,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 13:14:32,174 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 13:14:32,175 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 13:14:32,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 13:14:32,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 13:14:32,182 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 13:14:32,183 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 13:14:32,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 13:14:32,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 13:14:32,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 13:14:32,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 13:14:32,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 13:14:32,188 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 13:14:32,189 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 13:14:32,190 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 13:14:32,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 13:14:32,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 13:14:32,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 13:14:32,192 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 13:14:32,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 13:14:32,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 13:14:32,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 13:14:32,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 13:14:32,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 13:14:32,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 13:14:32,196 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 13:14:32,197 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-08 13:14:32,219 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 13:14:32,219 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 13:14:32,221 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 13:14:32,221 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 13:14:32,221 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 13:14:32,221 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 13:14:32,221 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 13:14:32,222 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 13:14:32,222 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 13:14:32,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 13:14:32,222 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 13:14:32,222 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 13:14:32,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 13:14:32,223 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 13:14:32,223 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 13:14:32,223 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 13:14:32,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 13:14:32,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 13:14:32,224 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 13:14:32,224 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 13:14:32,224 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 13:14:32,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 13:14:32,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 13:14:32,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 13:14:32,225 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 13:14:32,225 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-08 13:14:32,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 13:14:32,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 13:14:32,226 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-08 13:14:32,226 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 13:14:32,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 13:14:32,545 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 13:14:32,549 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 13:14:32,550 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 13:14:32,551 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 13:14:32,552 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=13.bpl [2020-10-08 13:14:32,552 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=13.bpl' [2020-10-08 13:14:32,597 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 13:14:32,599 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 13:14:32,599 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 13:14:32,600 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 13:14:32,600 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 13:14:32,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:32" (1/1) ... [2020-10-08 13:14:32,627 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:32" (1/1) ... [2020-10-08 13:14:32,636 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 13:14:32,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 13:14:32,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 13:14:32,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 13:14:32,649 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:32" (1/1) ... [2020-10-08 13:14:32,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:32" (1/1) ... [2020-10-08 13:14:32,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:32" (1/1) ... [2020-10-08 13:14:32,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:32" (1/1) ... [2020-10-08 13:14:32,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:32" (1/1) ... [2020-10-08 13:14:32,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:32" (1/1) ... [2020-10-08 13:14:32,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:32" (1/1) ... [2020-10-08 13:14:32,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 13:14:32,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 13:14:32,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 13:14:32,667 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 13:14:32,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 13:14:32,753 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 13:14:32,754 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 13:14:32,755 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 13:14:32,756 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 13:14:32,756 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 13:14:32,756 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 13:14:32,757 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 13:14:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 13:14:32,757 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 13:14:32,758 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 13:14:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 13:14:32,758 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 13:14:32,759 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 13:14:32,759 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 13:14:32,759 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 13:14:32,759 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 13:14:32,759 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 13:14:32,760 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 13:14:32,760 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 13:14:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 13:14:32,761 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 13:14:32,761 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 13:14:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 13:14:32,762 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 13:14:32,762 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 13:14:32,769 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 13:14:32,769 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 13:14:32,771 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 13:14:32,772 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 13:14:32,772 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 13:14:32,772 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 13:14:32,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 13:14:32,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 13:14:32,773 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 13:14:32,774 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 13:14:32,774 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 13:14:32,774 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 13:14:32,775 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 13:14:32,775 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 13:14:32,775 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 13:14:32,775 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 13:14:32,775 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 13:14:32,777 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-08 13:14:33,036 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 13:14:33,037 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-10-08 13:14:33,038 INFO L202 PluginConnector]: Adding new model example2_N=13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:14:33 BoogieIcfgContainer [2020-10-08 13:14:33,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 13:14:33,040 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 13:14:33,040 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 13:14:33,044 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 13:14:33,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:32" (1/2) ... [2020-10-08 13:14:33,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aac7bf0 and model type example2_N=13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 01:14:33, skipping insertion in model container [2020-10-08 13:14:33,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:14:33" (2/2) ... [2020-10-08 13:14:33,048 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=13.bpl [2020-10-08 13:14:33,065 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 13:14:33,066 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 13:14:33,075 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 13:14:33,077 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 13:14:33,297 INFO L253 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2020-10-08 13:14:33,317 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 13:14:33,318 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 13:14:33,318 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 13:14:33,318 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 13:14:33,318 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 13:14:33,318 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 13:14:33,319 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 13:14:33,319 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 13:14:33,337 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-08 13:14:33,340 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 109 places, 82 transitions, 268 flow [2020-10-08 13:14:33,343 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 109 places, 82 transitions, 268 flow [2020-10-08 13:14:33,345 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 109 places, 82 transitions, 268 flow [2020-10-08 13:14:33,411 INFO L129 PetriNetUnfolder]: 13/69 cut-off events. [2020-10-08 13:14:33,411 INFO L130 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2020-10-08 13:14:33,419 INFO L80 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 69 events. 13/69 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 95 event pairs, 0 based on Foata normal form. 0/55 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2020-10-08 13:14:33,424 INFO L117 LiptonReduction]: Number of co-enabled transitions 2340 [2020-10-08 13:14:34,087 INFO L132 LiptonReduction]: Checked pairs total: 3612 [2020-10-08 13:14:34,087 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-08 13:14:34,095 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 107 places, 80 transitions, 264 flow Received shutdown request... [2020-10-08 13:28:31,278 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 13:28:31,282 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 13:28:31,282 INFO L202 PluginConnector]: Adding new model example2_N=13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 01:28:31 BasicIcfg [2020-10-08 13:28:31,283 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 13:28:31,286 INFO L168 Benchmark]: Toolchain (without parser) took 838686.00 ms. Allocated memory was 251.1 MB in the beginning and 6.4 GB in the end (delta: 6.1 GB). Free memory was 227.5 MB in the beginning and 3.2 GB in the end (delta: -3.0 GB). Peak memory consumption was 5.7 GB. Max. memory is 14.2 GB. [2020-10-08 13:28:31,287 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 251.1 MB. Free memory is still 227.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 13:28:31,289 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.56 ms. Allocated memory is still 251.1 MB. Free memory was 227.5 MB in the beginning and 225.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 13:28:31,292 INFO L168 Benchmark]: Boogie Preprocessor took 28.79 ms. Allocated memory is still 251.1 MB. Free memory was 225.0 MB in the beginning and 222.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 13:28:31,294 INFO L168 Benchmark]: RCFGBuilder took 372.37 ms. Allocated memory is still 251.1 MB. Free memory was 222.5 MB in the beginning and 204.9 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 14.2 GB. [2020-10-08 13:28:31,295 INFO L168 Benchmark]: TraceAbstraction took 838242.57 ms. Allocated memory was 251.1 MB in the beginning and 6.4 GB in the end (delta: 6.1 GB). Free memory was 204.9 MB in the beginning and 3.2 GB in the end (delta: -3.0 GB). Peak memory consumption was 5.7 GB. Max. memory is 14.2 GB. [2020-10-08 13:28:31,306 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 251.1 MB. Free memory is still 227.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 37.56 ms. Allocated memory is still 251.1 MB. Free memory was 227.5 MB in the beginning and 225.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 28.79 ms. Allocated memory is still 251.1 MB. Free memory was 225.0 MB in the beginning and 222.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 372.37 ms. Allocated memory is still 251.1 MB. Free memory was 222.5 MB in the beginning and 204.9 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 14.2 GB. * TraceAbstraction took 838242.57 ms. Allocated memory was 251.1 MB in the beginning and 6.4 GB in the end (delta: 6.1 GB). Free memory was 204.9 MB in the beginning and 3.2 GB in the end (delta: -3.0 GB). Peak memory consumption was 5.7 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 673 VarBasedMoverChecksPositive, 92 VarBasedMoverChecksNegative, 49 SemBasedMoverChecksPositive, 43 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 714 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.7s, 109 PlacesBefore, 107 PlacesAfterwards, 82 TransitionsBefore, 80 TransitionsAfterwards, 2340 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 3612 MoverChecksTotal - TimeoutResultAtElement [Line: 36]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 36). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 107 places, 80 transitions, 264 flow. Already constructed 580827 states. Currently 254953 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 837.9s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 837.9s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown