/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/automizer/concurrent/VMCAI2021_FA.epf -i ../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=19.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 15:08:07,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 15:08:07,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 15:08:07,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 15:08:07,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 15:08:07,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 15:08:07,705 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 15:08:07,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 15:08:07,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 15:08:07,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 15:08:07,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 15:08:07,717 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 15:08:07,718 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 15:08:07,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 15:08:07,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 15:08:07,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 15:08:07,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 15:08:07,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 15:08:07,729 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 15:08:07,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 15:08:07,739 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 15:08:07,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 15:08:07,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 15:08:07,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 15:08:07,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 15:08:07,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 15:08:07,754 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 15:08:07,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 15:08:07,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 15:08:07,758 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 15:08:07,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 15:08:07,759 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 15:08:07,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 15:08:07,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 15:08:07,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 15:08:07,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 15:08:07,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 15:08:07,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 15:08:07,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 15:08:07,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 15:08:07,766 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 15:08:07,767 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_FA.epf [2020-10-08 15:08:07,808 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 15:08:07,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 15:08:07,810 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 15:08:07,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 15:08:07,811 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 15:08:07,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 15:08:07,811 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 15:08:07,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 15:08:07,812 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 15:08:07,812 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 15:08:07,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 15:08:07,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 15:08:07,813 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 15:08:07,814 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 15:08:07,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 15:08:07,814 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 15:08:07,814 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 15:08:07,814 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 15:08:07,815 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 15:08:07,815 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 15:08:07,815 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 15:08:07,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 15:08:07,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 15:08:07,816 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 15:08:07,816 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 15:08:07,816 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-10-08 15:08:07,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 15:08:07,816 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-10-08 15:08:07,816 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 15:08:07,817 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 15:08:08,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 15:08:08,132 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 15:08:08,135 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 15:08:08,136 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 15:08:08,137 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 15:08:08,137 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=19.bpl [2020-10-08 15:08:08,138 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=19.bpl' [2020-10-08 15:08:08,184 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 15:08:08,186 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 15:08:08,187 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 15:08:08,187 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 15:08:08,187 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 15:08:08,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:08" (1/1) ... [2020-10-08 15:08:08,214 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:08" (1/1) ... [2020-10-08 15:08:08,224 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 15:08:08,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 15:08:08,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 15:08:08,226 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 15:08:08,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:08" (1/1) ... [2020-10-08 15:08:08,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:08" (1/1) ... [2020-10-08 15:08:08,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:08" (1/1) ... [2020-10-08 15:08:08,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:08" (1/1) ... [2020-10-08 15:08:08,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:08" (1/1) ... [2020-10-08 15:08:08,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:08" (1/1) ... [2020-10-08 15:08:08,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:08" (1/1) ... [2020-10-08 15:08:08,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 15:08:08,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 15:08:08,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 15:08:08,259 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 15:08:08,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:08" (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 15:08:08,348 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-08 15:08:08,348 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-08 15:08:08,350 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-08 15:08:08,350 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-08 15:08:08,350 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-08 15:08:08,351 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-08 15:08:08,351 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-08 15:08:08,351 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-08 15:08:08,351 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-08 15:08:08,351 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 15:08:08,352 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 15:08:08,352 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 15:08:08,352 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 15:08:08,352 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 15:08:08,352 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 15:08:08,353 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 15:08:08,353 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 15:08:08,353 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 15:08:08,353 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 15:08:08,353 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 15:08:08,354 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 15:08:08,354 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 15:08:08,355 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 15:08:08,355 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 15:08:08,362 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 15:08:08,363 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 15:08:08,363 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 15:08:08,364 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 15:08:08,365 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 15:08:08,365 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 15:08:08,365 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 15:08:08,366 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 15:08:08,366 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 15:08:08,366 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 15:08:08,367 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 15:08:08,367 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 15:08:08,367 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 15:08:08,367 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 15:08:08,368 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 15:08:08,368 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 15:08:08,368 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 15:08:08,368 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 15:08:08,369 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 15:08:08,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 15:08:08,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 15:08:08,369 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-08 15:08:08,369 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-08 15:08:08,369 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-08 15:08:08,370 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 15:08:08,370 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 15:08:08,370 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 15:08:08,370 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 15:08:08,371 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 15:08:08,371 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 15:08:08,371 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 15:08:08,371 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 15:08:08,371 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 15:08:08,372 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 15:08:08,372 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 15:08:08,372 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 15:08:08,374 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 15:08:08,708 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 15:08:08,709 INFO L298 CfgBuilder]: Removed 19 assume(true) statements. [2020-10-08 15:08:08,711 INFO L202 PluginConnector]: Adding new model example2_N=19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 03:08:08 BoogieIcfgContainer [2020-10-08 15:08:08,711 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 15:08:08,712 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 15:08:08,712 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 15:08:08,720 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 15:08:08,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:08" (1/2) ... [2020-10-08 15:08:08,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c9a0d1f and model type example2_N=19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 03:08:08, skipping insertion in model container [2020-10-08 15:08:08,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 03:08:08" (2/2) ... [2020-10-08 15:08:08,729 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=19.bpl [2020-10-08 15:08:08,744 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 15:08:08,744 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 15:08:08,755 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 15:08:08,756 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 15:08:09,037 INFO L253 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2020-10-08 15:08:09,058 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 15:08:09,058 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 15:08:09,058 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 15:08:09,058 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 15:08:09,058 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 15:08:09,059 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 15:08:09,059 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 15:08:09,059 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 15:08:09,078 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 157 places, 118 transitions, 388 flow Received shutdown request... [2020-10-08 15:21:57,955 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 15:21:57,960 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 15:21:57,960 INFO L202 PluginConnector]: Adding new model example2_N=19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 03:21:57 BasicIcfg [2020-10-08 15:21:57,960 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 15:21:57,966 INFO L168 Benchmark]: Toolchain (without parser) took 829776.47 ms. Allocated memory was 254.3 MB in the beginning and 6.5 GB in the end (delta: 6.2 GB). Free memory was 230.7 MB in the beginning and 2.6 GB in the end (delta: -2.4 GB). Peak memory consumption was 6.1 GB. Max. memory is 14.2 GB. [2020-10-08 15:21:57,967 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 254.3 MB. Free memory is still 231.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 15:21:57,968 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.19 ms. Allocated memory is still 254.3 MB. Free memory was 229.8 MB in the beginning and 228.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-08 15:21:57,969 INFO L168 Benchmark]: Boogie Preprocessor took 32.64 ms. Allocated memory is still 254.3 MB. Free memory was 228.1 MB in the beginning and 227.3 MB in the end (delta: 838.9 kB). Peak memory consumption was 838.9 kB. Max. memory is 14.2 GB. [2020-10-08 15:21:57,970 INFO L168 Benchmark]: RCFGBuilder took 452.91 ms. Allocated memory is still 254.3 MB. Free memory was 226.5 MB in the beginning and 203.7 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 14.2 GB. [2020-10-08 15:21:57,971 INFO L168 Benchmark]: TraceAbstraction took 829248.03 ms. Allocated memory was 254.3 MB in the beginning and 6.5 GB in the end (delta: 6.2 GB). Free memory was 203.7 MB in the beginning and 2.6 GB in the end (delta: -2.4 GB). Peak memory consumption was 6.0 GB. Max. memory is 14.2 GB. [2020-10-08 15:21:57,975 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 0.21 ms. Allocated memory is still 254.3 MB. Free memory is still 231.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 38.19 ms. Allocated memory is still 254.3 MB. Free memory was 229.8 MB in the beginning and 228.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 32.64 ms. Allocated memory is still 254.3 MB. Free memory was 228.1 MB in the beginning and 227.3 MB in the end (delta: 838.9 kB). Peak memory consumption was 838.9 kB. Max. memory is 14.2 GB. * RCFGBuilder took 452.91 ms. Allocated memory is still 254.3 MB. Free memory was 226.5 MB in the beginning and 203.7 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 14.2 GB. * TraceAbstraction took 829248.03 ms. Allocated memory was 254.3 MB in the beginning and 6.5 GB in the end (delta: 6.2 GB). Free memory was 203.7 MB in the beginning and 2.6 GB in the end (delta: -2.4 GB). Peak memory consumption was 6.0 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 48]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 48). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 157 places, 118 transitions, 388 flow. Already constructed 744531 states. Currently 372361 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 20 procedures, 100 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 828.9s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 828.8s, 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