/usr/bin/java -Xmx8000000000 -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/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe.epf -i ../../../trunk/examples/concurrent/bpl/mcr/example_19.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d9e330d [2020-02-10 20:38:53,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-02-10 20:38:53,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-02-10 20:38:53,415 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-02-10 20:38:53,415 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-02-10 20:38:53,417 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-02-10 20:38:53,419 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-02-10 20:38:53,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-02-10 20:38:53,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-02-10 20:38:53,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-02-10 20:38:53,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-02-10 20:38:53,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-02-10 20:38:53,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-02-10 20:38:53,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-02-10 20:38:53,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-02-10 20:38:53,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-02-10 20:38:53,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-02-10 20:38:53,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-02-10 20:38:53,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-02-10 20:38:53,450 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-02-10 20:38:53,454 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-02-10 20:38:53,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-02-10 20:38:53,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-02-10 20:38:53,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-02-10 20:38:53,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-02-10 20:38:53,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-02-10 20:38:53,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-02-10 20:38:53,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-02-10 20:38:53,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-02-10 20:38:53,466 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-02-10 20:38:53,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-02-10 20:38:53,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-02-10 20:38:53,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-02-10 20:38:53,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-02-10 20:38:53,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-02-10 20:38:53,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-02-10 20:38:53,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-02-10 20:38:53,470 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-02-10 20:38:53,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-02-10 20:38:53,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-02-10 20:38:53,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-02-10 20:38:53,473 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe.epf [2020-02-10 20:38:53,507 INFO L113 SettingsManager]: Loading preferences was successful [2020-02-10 20:38:53,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-02-10 20:38:53,508 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-02-10 20:38:53,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-02-10 20:38:53,511 INFO L138 SettingsManager]: * Use SBE=true [2020-02-10 20:38:53,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-02-10 20:38:53,511 INFO L138 SettingsManager]: * sizeof long=4 [2020-02-10 20:38:53,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-02-10 20:38:53,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-02-10 20:38:53,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-02-10 20:38:53,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-02-10 20:38:53,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-02-10 20:38:53,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-02-10 20:38:53,513 INFO L138 SettingsManager]: * sizeof long double=12 [2020-02-10 20:38:53,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-02-10 20:38:53,514 INFO L138 SettingsManager]: * Use constant arrays=true [2020-02-10 20:38:53,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-02-10 20:38:53,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-02-10 20:38:53,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-02-10 20:38:53,515 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-02-10 20:38:53,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-02-10 20:38:53,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-02-10 20:38:53,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-02-10 20:38:53,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-02-10 20:38:53,516 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-02-10 20:38:53,516 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-02-10 20:38:53,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-02-10 20:38:53,517 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-02-10 20:38:53,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-02-10 20:38:53,517 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-02-10 20:38:53,797 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-02-10 20:38:53,819 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-02-10 20:38:53,823 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-02-10 20:38:53,824 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-02-10 20:38:53,825 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-02-10 20:38:53,826 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_19.bpl [2020-02-10 20:38:53,827 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_19.bpl' [2020-02-10 20:38:53,890 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-02-10 20:38:53,894 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-02-10 20:38:53,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-02-10 20:38:53,895 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-02-10 20:38:53,895 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-02-10 20:38:53,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 08:38:53" (1/1) ... [2020-02-10 20:38:53,924 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 08:38:53" (1/1) ... [2020-02-10 20:38:53,934 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-02-10 20:38:53,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-02-10 20:38:53,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-02-10 20:38:53,935 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-02-10 20:38:53,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 08:38:53" (1/1) ... [2020-02-10 20:38:53,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 08:38:53" (1/1) ... [2020-02-10 20:38:53,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 08:38:53" (1/1) ... [2020-02-10 20:38:53,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 08:38:53" (1/1) ... [2020-02-10 20:38:53,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 08:38:53" (1/1) ... [2020-02-10 20:38:53,954 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 08:38:53" (1/1) ... [2020-02-10 20:38:53,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 08:38:53" (1/1) ... [2020-02-10 20:38:53,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-02-10 20:38:53,958 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-02-10 20:38:53,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-02-10 20:38:53,958 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-02-10 20:38:53,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 08:38:53" (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 [2020-02-10 20:38:54,024 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_16 given in one single declaration [2020-02-10 20:38:54,024 INFO L130 BoogieDeclarations]: Found specification of procedure set_16 [2020-02-10 20:38:54,024 INFO L138 BoogieDeclarations]: Found implementation of procedure set_16 [2020-02-10 20:38:54,025 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_17 given in one single declaration [2020-02-10 20:38:54,025 INFO L130 BoogieDeclarations]: Found specification of procedure set_17 [2020-02-10 20:38:54,025 INFO L138 BoogieDeclarations]: Found implementation of procedure set_17 [2020-02-10 20:38:54,025 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_14 given in one single declaration [2020-02-10 20:38:54,025 INFO L130 BoogieDeclarations]: Found specification of procedure set_14 [2020-02-10 20:38:54,026 INFO L138 BoogieDeclarations]: Found implementation of procedure set_14 [2020-02-10 20:38:54,026 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_15 given in one single declaration [2020-02-10 20:38:54,026 INFO L130 BoogieDeclarations]: Found specification of procedure set_15 [2020-02-10 20:38:54,026 INFO L138 BoogieDeclarations]: Found implementation of procedure set_15 [2020-02-10 20:38:54,027 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_18 given in one single declaration [2020-02-10 20:38:54,027 INFO L130 BoogieDeclarations]: Found specification of procedure set_18 [2020-02-10 20:38:54,027 INFO L138 BoogieDeclarations]: Found implementation of procedure set_18 [2020-02-10 20:38:54,027 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2020-02-10 20:38:54,027 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2020-02-10 20:38:54,028 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2020-02-10 20:38:54,028 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2020-02-10 20:38:54,028 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2020-02-10 20:38:54,028 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2020-02-10 20:38:54,028 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2020-02-10 20:38:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2020-02-10 20:38:54,029 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2020-02-10 20:38:54,029 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2020-02-10 20:38:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2020-02-10 20:38:54,029 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2020-02-10 20:38:54,030 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2020-02-10 20:38:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2020-02-10 20:38:54,030 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2020-02-10 20:38:54,030 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_9 given in one single declaration [2020-02-10 20:38:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure set_9 [2020-02-10 20:38:54,031 INFO L138 BoogieDeclarations]: Found implementation of procedure set_9 [2020-02-10 20:38:54,031 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-02-10 20:38:54,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-02-10 20:38:54,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-02-10 20:38:54,031 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_12 given in one single declaration [2020-02-10 20:38:54,032 INFO L130 BoogieDeclarations]: Found specification of procedure set_12 [2020-02-10 20:38:54,032 INFO L138 BoogieDeclarations]: Found implementation of procedure set_12 [2020-02-10 20:38:54,032 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2020-02-10 20:38:54,032 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2020-02-10 20:38:54,032 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2020-02-10 20:38:54,033 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_13 given in one single declaration [2020-02-10 20:38:54,033 INFO L130 BoogieDeclarations]: Found specification of procedure set_13 [2020-02-10 20:38:54,033 INFO L138 BoogieDeclarations]: Found implementation of procedure set_13 [2020-02-10 20:38:54,033 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2020-02-10 20:38:54,033 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2020-02-10 20:38:54,034 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2020-02-10 20:38:54,034 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_10 given in one single declaration [2020-02-10 20:38:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure set_10 [2020-02-10 20:38:54,034 INFO L138 BoogieDeclarations]: Found implementation of procedure set_10 [2020-02-10 20:38:54,035 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2020-02-10 20:38:54,035 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2020-02-10 20:38:54,035 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2020-02-10 20:38:54,035 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_11 given in one single declaration [2020-02-10 20:38:54,035 INFO L130 BoogieDeclarations]: Found specification of procedure set_11 [2020-02-10 20:38:54,036 INFO L138 BoogieDeclarations]: Found implementation of procedure set_11 [2020-02-10 20:38:54,036 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_8 given in one single declaration [2020-02-10 20:38:54,036 INFO L130 BoogieDeclarations]: Found specification of procedure set_8 [2020-02-10 20:38:54,036 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8 [2020-02-10 20:38:54,037 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-02-10 20:38:54,413 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-02-10 20:38:54,413 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-02-10 20:38:54,417 INFO L202 PluginConnector]: Adding new model example_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 08:38:54 BoogieIcfgContainer [2020-02-10 20:38:54,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-02-10 20:38:54,419 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-02-10 20:38:54,419 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-02-10 20:38:54,422 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-02-10 20:38:54,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 08:38:53" (1/2) ... [2020-02-10 20:38:54,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@392d3eb2 and model type example_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 08:38:54, skipping insertion in model container [2020-02-10 20:38:54,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 08:38:54" (2/2) ... [2020-02-10 20:38:54,425 INFO L109 eAbstractionObserver]: Analyzing ICFG example_19.bpl [2020-02-10 20:38:54,434 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-02-10 20:38:54,434 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-02-10 20:38:54,440 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-02-10 20:38:54,441 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-02-10 20:38:55,115 INFO L251 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2020-02-10 20:38:55,136 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-02-10 20:38:55,136 INFO L376 AbstractCegarLoop]: Hoare is true [2020-02-10 20:38:55,136 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-02-10 20:38:55,136 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-02-10 20:38:55,136 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-02-10 20:38:55,137 INFO L380 AbstractCegarLoop]: Difference is false [2020-02-10 20:38:55,137 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-02-10 20:38:55,137 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-02-10 20:38:55,158 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 156 places, 440 transitions [2020-02-10 20:38:55,160 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 156 places, 440 transitions Received shutdown request... [2020-02-10 20:53:09,392 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.petrinetlbe.PetriNetLargeBlockEncoding.generateTimeoutMessage(PetriNetLargeBlockEncoding.java:247) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.petrinetlbe.PetriNetLargeBlockEncoding.(PetriNetLargeBlockEncoding.java:220) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:351) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-02-10 20:53:09,398 INFO L168 Benchmark]: Toolchain (without parser) took 855504.77 ms. Allocated memory was 146.3 MB in the beginning and 4.0 GB in the end (delta: 3.8 GB). Free memory was 120.0 MB in the beginning and 1.7 GB in the end (delta: -1.5 GB). Peak memory consumption was 4.0 GB. Max. memory is 7.1 GB. [2020-02-10 20:53:09,399 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.51 ms. Allocated memory is still 146.3 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-02-10 20:53:09,400 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.81 ms. Allocated memory is still 146.3 MB. Free memory was 119.8 MB in the beginning and 118.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2020-02-10 20:53:09,401 INFO L168 Benchmark]: Boogie Preprocessor took 23.16 ms. Allocated memory is still 146.3 MB. Free memory was 118.1 MB in the beginning and 116.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-02-10 20:53:09,402 INFO L168 Benchmark]: RCFGBuilder took 459.53 ms. Allocated memory is still 146.3 MB. Free memory was 116.6 MB in the beginning and 96.5 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2020-02-10 20:53:09,403 INFO L168 Benchmark]: TraceAbstraction took 854976.31 ms. Allocated memory was 146.3 MB in the beginning and 4.0 GB in the end (delta: 3.8 GB). Free memory was 96.1 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 3.9 GB. Max. memory is 7.1 GB. [2020-02-10 20:53:09,407 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.51 ms. Allocated memory is still 146.3 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 39.81 ms. Allocated memory is still 146.3 MB. Free memory was 119.8 MB in the beginning and 118.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.16 ms. Allocated memory is still 146.3 MB. Free memory was 118.1 MB in the beginning and 116.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 459.53 ms. Allocated memory is still 146.3 MB. Free memory was 116.6 MB in the beginning and 96.5 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 854976.31 ms. Allocated memory was 146.3 MB in the beginning and 4.0 GB in the end (delta: 3.8 GB). Free memory was 96.1 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 3.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.petrinetlbe.PetriNetLargeBlockEncoding.generateTimeoutMessage(PetriNetLargeBlockEncoding.java:247) RESULT: Ultimate could not prove your program: Toolchain returned no result. Completed graceful shutdown