/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-b665a9c [2020-09-29 13:21:49,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-29 13:21:49,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-29 13:21:50,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-29 13:21:50,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-29 13:21:50,036 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-29 13:21:50,037 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-29 13:21:50,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-29 13:21:50,047 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-29 13:21:50,048 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-29 13:21:50,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-29 13:21:50,050 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-29 13:21:50,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-29 13:21:50,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-29 13:21:50,052 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-29 13:21:50,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-29 13:21:50,054 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-29 13:21:50,055 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-29 13:21:50,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-29 13:21:50,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-29 13:21:50,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-29 13:21:50,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-29 13:21:50,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-29 13:21:50,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-29 13:21:50,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-29 13:21:50,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-29 13:21:50,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-29 13:21:50,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-29 13:21:50,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-29 13:21:50,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-29 13:21:50,068 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-29 13:21:50,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-29 13:21:50,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-29 13:21:50,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-29 13:21:50,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-29 13:21:50,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-29 13:21:50,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-29 13:21:50,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-29 13:21:50,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-29 13:21:50,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-29 13:21:50,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-29 13:21:50,074 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_FA.epf [2020-09-29 13:21:50,102 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-29 13:21:50,102 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-29 13:21:50,103 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-29 13:21:50,104 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-29 13:21:50,104 INFO L138 SettingsManager]: * Use SBE=true [2020-09-29 13:21:50,104 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-29 13:21:50,104 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-29 13:21:50,104 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-29 13:21:50,105 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-29 13:21:50,105 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-29 13:21:50,105 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-29 13:21:50,105 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-29 13:21:50,105 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-29 13:21:50,106 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-29 13:21:50,106 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-29 13:21:50,106 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-29 13:21:50,106 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-29 13:21:50,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-29 13:21:50,107 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-29 13:21:50,107 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-29 13:21:50,107 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-29 13:21:50,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-29 13:21:50,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-29 13:21:50,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-29 13:21:50,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-29 13:21:50,108 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-09-29 13:21:50,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-29 13:21:50,109 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-09-29 13:21:50,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-29 13:21:50,109 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-29 13:21:50,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-29 13:21:50,591 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-29 13:21:50,596 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-29 13:21:50,598 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-09-29 13:21:50,598 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-09-29 13:21:50,600 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=19.bpl [2020-09-29 13:21:50,600 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=19.bpl' [2020-09-29 13:21:50,651 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-29 13:21:50,660 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-29 13:21:50,660 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-29 13:21:50,661 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-29 13:21:50,661 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-29 13:21:50,680 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 29.09 01:21:50" (1/1) ... [2020-09-29 13:21:50,693 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 29.09 01:21:50" (1/1) ... [2020-09-29 13:21:50,705 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-29 13:21:50,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-29 13:21:50,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-29 13:21:50,706 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-29 13:21:50,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:50" (1/1) ... [2020-09-29 13:21:50,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:50" (1/1) ... [2020-09-29 13:21:50,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:50" (1/1) ... [2020-09-29 13:21:50,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:50" (1/1) ... [2020-09-29 13:21:50,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:50" (1/1) ... [2020-09-29 13:21:50,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:50" (1/1) ... [2020-09-29 13:21:50,738 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:50" (1/1) ... [2020-09-29 13:21:50,742 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-29 13:21:50,742 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-29 13:21:50,742 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-29 13:21:50,743 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-29 13:21:50,744 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:50" (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 [2020-09-29 13:21:50,846 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-09-29 13:21:50,846 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-09-29 13:21:50,848 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-09-29 13:21:50,849 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-09-29 13:21:50,849 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-09-29 13:21:50,850 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-09-29 13:21:50,850 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-09-29 13:21:50,850 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-09-29 13:21:50,850 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-09-29 13:21:50,850 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-09-29 13:21:50,851 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-09-29 13:21:50,851 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-09-29 13:21:50,851 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-09-29 13:21:50,851 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-09-29 13:21:50,851 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-09-29 13:21:50,852 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-09-29 13:21:50,852 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-09-29 13:21:50,852 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-09-29 13:21:50,852 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-09-29 13:21:50,852 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-09-29 13:21:50,853 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-09-29 13:21:50,853 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-09-29 13:21:50,853 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-09-29 13:21:50,854 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-09-29 13:21:50,854 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-09-29 13:21:50,855 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-09-29 13:21:50,856 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-09-29 13:21:50,857 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-09-29 13:21:50,857 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-09-29 13:21:50,857 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-09-29 13:21:50,858 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-09-29 13:21:50,858 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-09-29 13:21:50,858 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-09-29 13:21:50,858 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-09-29 13:21:50,859 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-09-29 13:21:50,859 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-09-29 13:21:50,860 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-09-29 13:21:50,860 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-09-29 13:21:50,860 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-09-29 13:21:50,860 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-09-29 13:21:50,860 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-09-29 13:21:50,861 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-09-29 13:21:50,861 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-09-29 13:21:50,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-29 13:21:50,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-29 13:21:50,862 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-09-29 13:21:50,862 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-09-29 13:21:50,862 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-09-29 13:21:50,863 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-09-29 13:21:50,863 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-09-29 13:21:50,863 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-09-29 13:21:50,864 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-09-29 13:21:50,864 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-09-29 13:21:50,864 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-09-29 13:21:50,864 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-09-29 13:21:50,864 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-09-29 13:21:50,865 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-09-29 13:21:50,865 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-09-29 13:21:50,865 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-09-29 13:21:50,866 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-09-29 13:21:50,867 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-29 13:21:51,244 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-29 13:21:51,244 INFO L298 CfgBuilder]: Removed 19 assume(true) statements. [2020-09-29 13:21:51,250 INFO L202 PluginConnector]: Adding new model example2_N=19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 01:21:51 BoogieIcfgContainer [2020-09-29 13:21:51,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-29 13:21:51,252 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-29 13:21:51,252 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-29 13:21:51,255 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-29 13:21:51,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:50" (1/2) ... [2020-09-29 13:21:51,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@719bde1b and model type example2_N=19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 01:21:51, skipping insertion in model container [2020-09-29 13:21:51,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 01:21:51" (2/2) ... [2020-09-29 13:21:51,262 INFO L109 eAbstractionObserver]: Analyzing ICFG example2_N=19.bpl [2020-09-29 13:21:51,274 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-29 13:21:51,274 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-29 13:21:51,284 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-29 13:21:51,285 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-29 13:21:51,629 INFO L251 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2020-09-29 13:21:51,659 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-29 13:21:51,659 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-29 13:21:51,659 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-29 13:21:51,660 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-29 13:21:51,660 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-29 13:21:51,660 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-29 13:21:51,660 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-29 13:21:51,660 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-29 13:21:51,682 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 138 places, 99 transitions, 350 flow Received shutdown request... [2020-09-29 13:35:06,070 WARN L544 AbstractCegarLoop]: Verification canceled [2020-09-29 13:35:06,085 WARN L228 ceAbstractionStarter]: Timeout [2020-09-29 13:35:06,085 INFO L202 PluginConnector]: Adding new model example2_N=19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 01:35:06 BasicIcfg [2020-09-29 13:35:06,086 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-29 13:35:06,092 INFO L168 Benchmark]: Toolchain (without parser) took 795434.96 ms. Allocated memory was 244.3 MB in the beginning and 7.9 GB in the end (delta: 7.7 GB). Free memory was 220.7 MB in the beginning and 2.2 GB in the end (delta: -1.9 GB). Peak memory consumption was 7.5 GB. Max. memory is 14.2 GB. [2020-09-29 13:35:06,092 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 244.3 MB. Free memory is still 220.7 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-09-29 13:35:06,094 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.90 ms. Allocated memory is still 244.3 MB. Free memory is still 218.2 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-09-29 13:35:06,095 INFO L168 Benchmark]: Boogie Preprocessor took 36.19 ms. Allocated memory is still 244.3 MB. Free memory was 218.2 MB in the beginning and 215.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-09-29 13:35:06,096 INFO L168 Benchmark]: RCFGBuilder took 508.27 ms. Allocated memory is still 244.3 MB. Free memory was 215.7 MB in the beginning and 195.5 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 14.2 GB. [2020-09-29 13:35:06,097 INFO L168 Benchmark]: TraceAbstraction took 794834.00 ms. Allocated memory was 244.3 MB in the beginning and 7.9 GB in the end (delta: 7.7 GB). Free memory was 195.5 MB in the beginning and 2.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 7.5 GB. Max. memory is 14.2 GB. [2020-09-29 13:35:06,100 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 244.3 MB. Free memory is still 220.7 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 44.90 ms. Allocated memory is still 244.3 MB. Free memory is still 218.2 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Preprocessor took 36.19 ms. Allocated memory is still 244.3 MB. Free memory was 218.2 MB in the beginning and 215.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 508.27 ms. Allocated memory is still 244.3 MB. Free memory was 215.7 MB in the beginning and 195.5 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 14.2 GB. * TraceAbstraction took 794834.00 ms. Allocated memory was 244.3 MB in the beginning and 7.9 GB in the end (delta: 7.7 GB). Free memory was 195.5 MB in the beginning and 2.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 7.5 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 138 places, 99 transitions, 350 flow. Already constructed 612124 states. Currently 174747 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 20 procedures, 81 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 794.4s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 794.4s, 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