/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=16.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 13:14:41,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 13:14:41,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 13:14:41,736 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 13:14:41,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 13:14:41,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 13:14:41,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 13:14:41,740 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 13:14:41,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 13:14:41,743 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 13:14:41,744 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 13:14:41,745 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 13:14:41,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 13:14:41,746 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 13:14:41,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 13:14:41,748 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 13:14:41,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 13:14:41,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 13:14:41,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 13:14:41,753 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 13:14:41,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 13:14:41,755 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 13:14:41,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 13:14:41,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 13:14:41,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 13:14:41,760 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 13:14:41,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 13:14:41,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 13:14:41,761 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 13:14:41,762 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 13:14:41,762 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 13:14:41,763 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 13:14:41,764 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 13:14:41,764 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 13:14:41,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 13:14:41,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 13:14:41,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 13:14:41,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 13:14:41,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 13:14:41,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 13:14:41,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 13:14:41,769 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 13:14:41,812 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 13:14:41,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 13:14:41,814 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 13:14:41,817 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 13:14:41,817 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 13:14:41,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 13:14:41,818 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 13:14:41,818 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 13:14:41,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 13:14:41,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 13:14:41,818 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 13:14:41,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 13:14:41,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 13:14:41,819 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 13:14:41,819 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 13:14:41,819 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 13:14:41,819 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 13:14:41,820 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 13:14:41,820 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 13:14:41,820 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 13:14:41,820 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 13:14:41,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 13:14:41,821 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 13:14:41,823 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 13:14:41,823 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 13:14:41,824 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-08 13:14:41,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 13:14:41,824 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 13:14:41,824 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-08 13:14:41,824 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 13:14:42,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 13:14:42,127 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 13:14:42,130 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 13:14:42,131 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 13:14:42,132 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 13:14:42,133 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=16.bpl [2020-10-08 13:14:42,133 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=16.bpl' [2020-10-08 13:14:42,177 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 13:14:42,179 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 13:14:42,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 13:14:42,180 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 13:14:42,180 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 13:14:42,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:42" (1/1) ... [2020-10-08 13:14:42,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:42" (1/1) ... [2020-10-08 13:14:42,215 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 13:14:42,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 13:14:42,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 13:14:42,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 13:14:42,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:42" (1/1) ... [2020-10-08 13:14:42,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:42" (1/1) ... [2020-10-08 13:14:42,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:42" (1/1) ... [2020-10-08 13:14:42,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:42" (1/1) ... [2020-10-08 13:14:42,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:42" (1/1) ... [2020-10-08 13:14:42,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:42" (1/1) ... [2020-10-08 13:14:42,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:42" (1/1) ... [2020-10-08 13:14:42,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 13:14:42,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 13:14:42,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 13:14:42,247 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 13:14:42,248 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:42" (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 13:14:42,319 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 13:14:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 13:14:42,320 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 13:14:42,320 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 13:14:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 13:14:42,320 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 13:14:42,321 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 13:14:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 13:14:42,321 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 13:14:42,321 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 13:14:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 13:14:42,322 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 13:14:42,322 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 13:14:42,322 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 13:14:42,322 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 13:14:42,322 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 13:14:42,323 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 13:14:42,323 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 13:14:42,323 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 13:14:42,323 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 13:14:42,323 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 13:14:42,324 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 13:14:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 13:14:42,324 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 13:14:42,324 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 13:14:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 13:14:42,325 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 13:14:42,325 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 13:14:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 13:14:42,325 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 13:14:42,326 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 13:14:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 13:14:42,326 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 13:14:42,326 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 13:14:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 13:14:42,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 13:14:42,327 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-08 13:14:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-08 13:14:42,327 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-08 13:14:42,327 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 13:14:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 13:14:42,328 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 13:14:42,328 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 13:14:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 13:14:42,328 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 13:14:42,328 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 13:14:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 13:14:42,329 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 13:14:42,329 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 13:14:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 13:14:42,329 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 13:14:42,331 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 13:14:42,656 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 13:14:42,656 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-08 13:14:42,658 INFO L202 PluginConnector]: Adding new model example2_N=16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:14:42 BoogieIcfgContainer [2020-10-08 13:14:42,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 13:14:42,660 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 13:14:42,660 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 13:14:42,663 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 13:14:42,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:42" (1/2) ... [2020-10-08 13:14:42,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a18ce3f and model type example2_N=16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 01:14:42, skipping insertion in model container [2020-10-08 13:14:42,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:14:42" (2/2) ... [2020-10-08 13:14:42,667 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=16.bpl [2020-10-08 13:14:42,678 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 13:14:42,679 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 13:14:42,686 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 13:14:42,687 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 13:14:42,966 INFO L253 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2020-10-08 13:14:42,989 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 13:14:42,989 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 13:14:42,990 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 13:14:42,990 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 13:14:42,990 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 13:14:42,990 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 13:14:42,990 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 13:14:42,990 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 13:14:43,018 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-08 13:14:43,027 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 133 places, 100 transitions, 328 flow [2020-10-08 13:14:43,034 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 133 places, 100 transitions, 328 flow [2020-10-08 13:14:43,038 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 133 places, 100 transitions, 328 flow [2020-10-08 13:14:43,165 INFO L129 PetriNetUnfolder]: 16/84 cut-off events. [2020-10-08 13:14:43,165 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-08 13:14:43,175 INFO L80 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 84 events. 16/84 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 125 event pairs, 0 based on Foata normal form. 0/67 useless extension candidates. Maximal degree in co-relation 93. Up to 2 conditions per place. [2020-10-08 13:14:43,187 INFO L117 LiptonReduction]: Number of co-enabled transitions 3600 [2020-10-08 13:14:43,684 INFO L132 LiptonReduction]: Checked pairs total: 5595 [2020-10-08 13:14:43,684 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-08 13:14:43,692 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 131 places, 98 transitions, 324 flow Received shutdown request... [2020-10-08 13:28:35,985 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 13:28:35,988 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 13:28:35,988 INFO L202 PluginConnector]: Adding new model example2_N=16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 01:28:35 BasicIcfg [2020-10-08 13:28:35,988 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 13:28:35,992 INFO L168 Benchmark]: Toolchain (without parser) took 833811.60 ms. Allocated memory was 249.6 MB in the beginning and 6.2 GB in the end (delta: 5.9 GB). Free memory was 225.9 MB in the beginning and 1.5 GB in the end (delta: -1.2 GB). Peak memory consumption was 5.5 GB. Max. memory is 14.2 GB. [2020-10-08 13:28:35,992 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 249.6 MB. Free memory is still 225.9 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 13:28:35,994 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.18 ms. Allocated memory is still 249.6 MB. Free memory was 225.9 MB in the beginning and 223.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 13:28:35,995 INFO L168 Benchmark]: Boogie Preprocessor took 30.31 ms. Allocated memory is still 249.6 MB. Free memory was 223.4 MB in the beginning and 220.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 13:28:36,004 INFO L168 Benchmark]: RCFGBuilder took 412.04 ms. Allocated memory is still 249.6 MB. Free memory was 220.9 MB in the beginning and 200.8 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 14.2 GB. [2020-10-08 13:28:36,008 INFO L168 Benchmark]: TraceAbstraction took 833328.62 ms. Allocated memory was 249.6 MB in the beginning and 6.2 GB in the end (delta: 5.9 GB). Free memory was 200.8 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 5.5 GB. Max. memory is 14.2 GB. [2020-10-08 13:28:36,017 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 0.20 ms. Allocated memory is still 249.6 MB. Free memory is still 225.9 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 36.18 ms. Allocated memory is still 249.6 MB. Free memory was 225.9 MB in the beginning and 223.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 30.31 ms. Allocated memory is still 249.6 MB. Free memory was 223.4 MB in the beginning and 220.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 412.04 ms. Allocated memory is still 249.6 MB. Free memory was 220.9 MB in the beginning and 200.8 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 14.2 GB. * TraceAbstraction took 833328.62 ms. Allocated memory was 249.6 MB in the beginning and 6.2 GB in the end (delta: 5.9 GB). Free memory was 200.8 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 5.5 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 991 VarBasedMoverChecksPositive, 75 VarBasedMoverChecksNegative, 45 SemBasedMoverChecksPositive, 30 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.3s, 1004 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.6s, 133 PlacesBefore, 131 PlacesAfterwards, 100 TransitionsBefore, 98 TransitionsAfterwards, 3600 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 5595 MoverChecksTotal - TimeoutResultAtElement [Line: 42]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 42). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 131 places, 98 transitions, 324 flow. Already constructed 650723 states. Currently 325011 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 17 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 832.9s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 832.9s, 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