/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=12.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 13:14:31,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 13:14:31,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 13:14:31,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 13:14:31,835 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 13:14:31,836 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 13:14:31,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 13:14:31,839 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 13:14:31,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 13:14:31,841 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 13:14:31,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 13:14:31,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 13:14:31,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 13:14:31,845 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 13:14:31,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 13:14:31,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 13:14:31,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 13:14:31,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 13:14:31,850 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 13:14:31,852 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 13:14:31,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 13:14:31,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 13:14:31,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 13:14:31,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 13:14:31,859 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-08 13:14:31,862 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 13:14:31,862 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 13:14:31,863 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 13:14:31,867 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 13:14:31,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 13:14:31,868 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 13:14:31,869 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 13:14:31,869 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 13:14:31,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 13:14:31,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 13:14:31,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 13:14:31,871 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 13:14:31,894 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 13:14:31,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 13:14:31,895 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 13:14:31,896 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 13:14:31,896 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 13:14:31,896 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 13:14:31,896 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 13:14:31,896 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 13:14:31,897 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 13:14:31,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 13:14:31,897 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 13:14:31,897 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 13:14:31,897 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 13:14:31,897 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 13:14:31,898 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 13:14:31,898 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 13:14:31,898 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 13:14:31,898 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 13:14:31,898 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 13:14:31,899 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 13:14:31,899 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 13:14:31,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 13:14:31,899 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 13:14:31,899 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 13:14:31,900 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 13:14:31,900 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-08 13:14:31,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 13:14:31,900 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 13:14:31,900 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-08 13:14:31,900 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 13:14:32,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 13:14:32,228 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 13:14:32,232 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 13:14:32,234 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 13:14:32,237 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 13:14:32,238 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=12.bpl [2020-10-08 13:14:32,239 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=12.bpl' [2020-10-08 13:14:32,279 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 13:14:32,281 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 13:14:32,281 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 13:14:32,282 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 13:14:32,282 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 13:14:32,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:32" (1/1) ... [2020-10-08 13:14:32,307 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:32" (1/1) ... [2020-10-08 13:14:32,316 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 13:14:32,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 13:14:32,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 13:14:32,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 13:14:32,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:32" (1/1) ... [2020-10-08 13:14:32,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:32" (1/1) ... [2020-10-08 13:14:32,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:32" (1/1) ... [2020-10-08 13:14:32,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:32" (1/1) ... [2020-10-08 13:14:32,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:32" (1/1) ... [2020-10-08 13:14:32,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:32" (1/1) ... [2020-10-08 13:14:32,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:32" (1/1) ... [2020-10-08 13:14:32,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 13:14:32,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 13:14:32,345 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 13:14:32,345 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 13:14:32,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=12.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 13:14:32,435 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 13:14:32,436 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 13:14:32,437 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 13:14:32,438 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 13:14:32,438 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 13:14:32,439 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 13:14:32,439 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 13:14:32,439 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 13:14:32,439 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 13:14:32,440 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 13:14:32,440 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 13:14:32,440 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 13:14:32,441 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 13:14:32,441 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 13:14:32,441 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 13:14:32,441 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 13:14:32,442 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 13:14:32,442 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 13:14:32,442 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 13:14:32,443 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 13:14:32,443 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 13:14:32,443 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 13:14:32,444 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 13:14:32,444 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 13:14:32,445 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 13:14:32,446 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 13:14:32,446 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 13:14:32,448 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 13:14:32,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 13:14:32,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 13:14:32,449 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 13:14:32,449 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 13:14:32,449 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 13:14:32,450 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 13:14:32,450 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 13:14:32,451 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 13:14:32,451 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 13:14:32,451 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 13:14:32,451 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 13:14:32,453 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 13:14:32,765 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 13:14:32,766 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-10-08 13:14:32,768 INFO L202 PluginConnector]: Adding new model example2_N=12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:14:32 BoogieIcfgContainer [2020-10-08 13:14:32,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 13:14:32,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 13:14:32,771 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 13:14:32,775 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 13:14:32,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:32" (1/2) ... [2020-10-08 13:14:32,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b8d2c2 and model type example2_N=12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 01:14:32, skipping insertion in model container [2020-10-08 13:14:32,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:14:32" (2/2) ... [2020-10-08 13:14:32,779 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=12.bpl [2020-10-08 13:14:32,801 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 13:14:32,802 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 13:14:32,818 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 13:14:32,819 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 13:14:33,016 INFO L253 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2020-10-08 13:14:33,037 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 13:14:33,037 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 13:14:33,037 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 13:14:33,037 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 13:14:33,038 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 13:14:33,038 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 13:14:33,038 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 13:14:33,038 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 13:14:33,055 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-08 13:14:33,058 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 76 transitions, 248 flow [2020-10-08 13:14:33,061 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 76 transitions, 248 flow [2020-10-08 13:14:33,063 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 101 places, 76 transitions, 248 flow [2020-10-08 13:14:33,118 INFO L129 PetriNetUnfolder]: 12/64 cut-off events. [2020-10-08 13:14:33,119 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2020-10-08 13:14:33,127 INFO L80 FinitePrefix]: Finished finitePrefix Result has 113 conditions, 64 events. 12/64 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 85 event pairs, 0 based on Foata normal form. 0/51 useless extension candidates. Maximal degree in co-relation 69. Up to 2 conditions per place. [2020-10-08 13:14:33,138 INFO L117 LiptonReduction]: Number of co-enabled transitions 1980 [2020-10-08 13:14:33,528 INFO L132 LiptonReduction]: Checked pairs total: 3047 [2020-10-08 13:14:33,529 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-08 13:14:33,536 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 99 places, 74 transitions, 244 flow Received shutdown request... [2020-10-08 13:28:30,835 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 13:28:30,838 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 13:28:30,839 INFO L202 PluginConnector]: Adding new model example2_N=12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 01:28:30 BasicIcfg [2020-10-08 13:28:30,839 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 13:28:30,845 INFO L168 Benchmark]: Toolchain (without parser) took 838560.16 ms. Allocated memory was 246.9 MB in the beginning and 6.0 GB in the end (delta: 5.8 GB). Free memory was 223.3 MB in the beginning and 3.1 GB in the end (delta: -2.9 GB). Peak memory consumption was 5.7 GB. Max. memory is 14.2 GB. [2020-10-08 13:28:30,846 INFO L168 Benchmark]: Boogie PL CUP Parser took 1.32 ms. Allocated memory is still 246.9 MB. Free memory is still 223.3 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 13:28:30,849 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.55 ms. Allocated memory is still 246.9 MB. Free memory was 223.3 MB in the beginning and 220.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.2 GB. [2020-10-08 13:28:30,850 INFO L168 Benchmark]: Boogie Preprocessor took 27.31 ms. Allocated memory is still 246.9 MB. Free memory was 220.7 MB in the beginning and 218.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 13:28:30,852 INFO L168 Benchmark]: RCFGBuilder took 423.02 ms. Allocated memory is still 246.9 MB. Free memory was 218.2 MB in the beginning and 200.6 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 14.2 GB. [2020-10-08 13:28:30,854 INFO L168 Benchmark]: TraceAbstraction took 838067.87 ms. Allocated memory was 246.9 MB in the beginning and 6.0 GB in the end (delta: 5.8 GB). Free memory was 200.6 MB in the beginning and 3.1 GB in the end (delta: -2.9 GB). Peak memory consumption was 5.7 GB. Max. memory is 14.2 GB. [2020-10-08 13:28:30,866 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 1.32 ms. Allocated memory is still 246.9 MB. Free memory is still 223.3 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 35.55 ms. Allocated memory is still 246.9 MB. Free memory was 223.3 MB in the beginning and 220.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 27.31 ms. Allocated memory is still 246.9 MB. Free memory was 220.7 MB in the beginning and 218.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 423.02 ms. Allocated memory is still 246.9 MB. Free memory was 218.2 MB in the beginning and 200.6 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 14.2 GB. * TraceAbstraction took 838067.87 ms. Allocated memory was 246.9 MB in the beginning and 6.0 GB in the end (delta: 5.8 GB). Free memory was 200.6 MB in the beginning and 3.1 GB in the end (delta: -2.9 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 551 VarBasedMoverChecksPositive, 55 VarBasedMoverChecksNegative, 33 SemBasedMoverChecksPositive, 22 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 560 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.4s, 101 PlacesBefore, 99 PlacesAfterwards, 76 TransitionsBefore, 74 TransitionsAfterwards, 1980 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 3047 MoverChecksTotal - TimeoutResultAtElement [Line: 34]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 34). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 99 places, 74 transitions, 244 flow. Already constructed 491385 states. Currently 140616 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 837.8s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 837.7s, 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