/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/concurrent/bpl/mcr/example_19.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-abd8500 [2020-01-16 18:00:57,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-01-16 18:00:57,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-01-16 18:00:57,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-01-16 18:00:57,045 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-01-16 18:00:57,047 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-01-16 18:00:57,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-01-16 18:00:57,061 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-01-16 18:00:57,063 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-01-16 18:00:57,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-01-16 18:00:57,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-01-16 18:00:57,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-01-16 18:00:57,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-01-16 18:00:57,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-01-16 18:00:57,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-01-16 18:00:57,069 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-01-16 18:00:57,070 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-01-16 18:00:57,071 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-01-16 18:00:57,072 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-01-16 18:00:57,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-01-16 18:00:57,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-01-16 18:00:57,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-01-16 18:00:57,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-01-16 18:00:57,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-01-16 18:00:57,080 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-01-16 18:00:57,080 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-01-16 18:00:57,081 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-01-16 18:00:57,081 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-01-16 18:00:57,082 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-01-16 18:00:57,083 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-01-16 18:00:57,083 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-01-16 18:00:57,084 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-01-16 18:00:57,084 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-01-16 18:00:57,085 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-01-16 18:00:57,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-01-16 18:00:57,086 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-01-16 18:00:57,087 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-01-16 18:00:57,087 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-01-16 18:00:57,087 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-01-16 18:00:57,088 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-01-16 18:00:57,089 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-01-16 18:00:57,090 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 [2020-01-16 18:00:57,103 INFO L113 SettingsManager]: Loading preferences was successful [2020-01-16 18:00:57,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-01-16 18:00:57,105 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-01-16 18:00:57,105 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-01-16 18:00:57,105 INFO L138 SettingsManager]: * Use SBE=true [2020-01-16 18:00:57,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-01-16 18:00:57,106 INFO L138 SettingsManager]: * sizeof long=4 [2020-01-16 18:00:57,106 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-01-16 18:00:57,106 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-01-16 18:00:57,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-01-16 18:00:57,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-01-16 18:00:57,107 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-01-16 18:00:57,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-01-16 18:00:57,107 INFO L138 SettingsManager]: * sizeof long double=12 [2020-01-16 18:00:57,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-01-16 18:00:57,107 INFO L138 SettingsManager]: * Use constant arrays=true [2020-01-16 18:00:57,108 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-01-16 18:00:57,108 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-01-16 18:00:57,108 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-01-16 18:00:57,108 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-01-16 18:00:57,108 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-01-16 18:00:57,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-01-16 18:00:57,109 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-01-16 18:00:57,109 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-01-16 18:00:57,109 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-01-16 18:00:57,109 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-01-16 18:00:57,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-01-16 18:00:57,110 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-01-16 18:00:57,110 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-01-16 18:00:57,110 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-01-16 18:00:57,411 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-01-16 18:00:57,432 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-01-16 18:00:57,437 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-01-16 18:00:57,439 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-01-16 18:00:57,439 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-01-16 18:00:57,440 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_19.bpl [2020-01-16 18:00:57,441 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_19.bpl' [2020-01-16 18:00:57,498 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-01-16 18:00:57,501 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-01-16 18:00:57,502 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-01-16 18:00:57,502 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-01-16 18:00:57,503 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-01-16 18:00:57,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 06:00:57" (1/1) ... [2020-01-16 18:00:57,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 06:00:57" (1/1) ... [2020-01-16 18:00:57,538 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-01-16 18:00:57,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-01-16 18:00:57,539 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-01-16 18:00:57,539 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-01-16 18:00:57,549 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 06:00:57" (1/1) ... [2020-01-16 18:00:57,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 06:00:57" (1/1) ... [2020-01-16 18:00:57,551 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 06:00:57" (1/1) ... [2020-01-16 18:00:57,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 06:00:57" (1/1) ... [2020-01-16 18:00:57,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 06:00:57" (1/1) ... [2020-01-16 18:00:57,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 06:00:57" (1/1) ... [2020-01-16 18:00:57,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 06:00:57" (1/1) ... [2020-01-16 18:00:57,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-01-16 18:00:57,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-01-16 18:00:57,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-01-16 18:00:57,562 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-01-16 18:00:57,563 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 06:00:57" (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 [2020-01-16 18:00:57,629 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_16 given in one single declaration [2020-01-16 18:00:57,629 INFO L130 BoogieDeclarations]: Found specification of procedure set_16 [2020-01-16 18:00:57,629 INFO L138 BoogieDeclarations]: Found implementation of procedure set_16 [2020-01-16 18:00:57,630 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_17 given in one single declaration [2020-01-16 18:00:57,630 INFO L130 BoogieDeclarations]: Found specification of procedure set_17 [2020-01-16 18:00:57,630 INFO L138 BoogieDeclarations]: Found implementation of procedure set_17 [2020-01-16 18:00:57,630 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_14 given in one single declaration [2020-01-16 18:00:57,630 INFO L130 BoogieDeclarations]: Found specification of procedure set_14 [2020-01-16 18:00:57,631 INFO L138 BoogieDeclarations]: Found implementation of procedure set_14 [2020-01-16 18:00:57,631 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_15 given in one single declaration [2020-01-16 18:00:57,632 INFO L130 BoogieDeclarations]: Found specification of procedure set_15 [2020-01-16 18:00:57,632 INFO L138 BoogieDeclarations]: Found implementation of procedure set_15 [2020-01-16 18:00:57,632 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_18 given in one single declaration [2020-01-16 18:00:57,632 INFO L130 BoogieDeclarations]: Found specification of procedure set_18 [2020-01-16 18:00:57,632 INFO L138 BoogieDeclarations]: Found implementation of procedure set_18 [2020-01-16 18:00:57,633 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2020-01-16 18:00:57,633 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2020-01-16 18:00:57,633 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2020-01-16 18:00:57,633 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2020-01-16 18:00:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2020-01-16 18:00:57,634 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2020-01-16 18:00:57,634 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2020-01-16 18:00:57,635 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2020-01-16 18:00:57,635 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2020-01-16 18:00:57,636 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2020-01-16 18:00:57,636 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2020-01-16 18:00:57,637 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2020-01-16 18:00:57,638 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2020-01-16 18:00:57,638 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2020-01-16 18:00:57,638 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2020-01-16 18:00:57,638 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_9 given in one single declaration [2020-01-16 18:00:57,638 INFO L130 BoogieDeclarations]: Found specification of procedure set_9 [2020-01-16 18:00:57,639 INFO L138 BoogieDeclarations]: Found implementation of procedure set_9 [2020-01-16 18:00:57,639 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-01-16 18:00:57,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-01-16 18:00:57,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-01-16 18:00:57,640 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_12 given in one single declaration [2020-01-16 18:00:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure set_12 [2020-01-16 18:00:57,640 INFO L138 BoogieDeclarations]: Found implementation of procedure set_12 [2020-01-16 18:00:57,641 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2020-01-16 18:00:57,641 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2020-01-16 18:00:57,641 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2020-01-16 18:00:57,641 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_13 given in one single declaration [2020-01-16 18:00:57,642 INFO L130 BoogieDeclarations]: Found specification of procedure set_13 [2020-01-16 18:00:57,642 INFO L138 BoogieDeclarations]: Found implementation of procedure set_13 [2020-01-16 18:00:57,642 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2020-01-16 18:00:57,643 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2020-01-16 18:00:57,643 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2020-01-16 18:00:57,643 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_10 given in one single declaration [2020-01-16 18:00:57,643 INFO L130 BoogieDeclarations]: Found specification of procedure set_10 [2020-01-16 18:00:57,644 INFO L138 BoogieDeclarations]: Found implementation of procedure set_10 [2020-01-16 18:00:57,644 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2020-01-16 18:00:57,644 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2020-01-16 18:00:57,644 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2020-01-16 18:00:57,644 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_11 given in one single declaration [2020-01-16 18:00:57,644 INFO L130 BoogieDeclarations]: Found specification of procedure set_11 [2020-01-16 18:00:57,645 INFO L138 BoogieDeclarations]: Found implementation of procedure set_11 [2020-01-16 18:00:57,645 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_8 given in one single declaration [2020-01-16 18:00:57,645 INFO L130 BoogieDeclarations]: Found specification of procedure set_8 [2020-01-16 18:00:57,645 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8 [2020-01-16 18:00:57,647 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-01-16 18:00:58,107 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-01-16 18:00:58,108 INFO L287 CfgBuilder]: Removed 0 assume(true) statements. [2020-01-16 18:00:58,109 INFO L202 PluginConnector]: Adding new model example_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.01 06:00:58 BoogieIcfgContainer [2020-01-16 18:00:58,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-01-16 18:00:58,110 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-01-16 18:00:58,110 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-01-16 18:00:58,113 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-01-16 18:00:58,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 06:00:57" (1/2) ... [2020-01-16 18:00:58,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45365d7d and model type example_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.01 06:00:58, skipping insertion in model container [2020-01-16 18:00:58,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.01 06:00:58" (2/2) ... [2020-01-16 18:00:58,117 INFO L109 eAbstractionObserver]: Analyzing ICFG example_19.bpl [2020-01-16 18:00:58,126 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-01-16 18:00:58,127 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-01-16 18:00:58,134 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-01-16 18:00:58,135 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-01-16 18:00:58,732 INFO L250 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2020-01-16 18:00:58,753 INFO L374 AbstractCegarLoop]: Interprodecural is true [2020-01-16 18:00:58,753 INFO L375 AbstractCegarLoop]: Hoare is true [2020-01-16 18:00:58,753 INFO L376 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-01-16 18:00:58,753 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-01-16 18:00:58,753 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-01-16 18:00:58,754 INFO L379 AbstractCegarLoop]: Difference is false [2020-01-16 18:00:58,754 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-01-16 18:00:58,754 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-01-16 18:00:58,776 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 156 places, 440 transitions [2020-01-16 18:00:58,777 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 156 places, 440 transitions Received shutdown request... [2020-01-16 18:15:08,080 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:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:369) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-01-16 18:15:08,086 INFO L168 Benchmark]: Toolchain (without parser) took 850585.41 ms. Allocated memory was 136.3 MB in the beginning and 4.2 GB in the end (delta: 4.1 GB). Free memory was 118.0 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 4.0 GB. Max. memory is 7.1 GB. [2020-01-16 18:15:08,087 INFO L168 Benchmark]: Boogie PL CUP Parser took 1.22 ms. Allocated memory is still 136.3 MB. Free memory was 119.5 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-01-16 18:15:08,088 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.60 ms. Allocated memory is still 136.3 MB. Free memory was 118.0 MB in the beginning and 116.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-01-16 18:15:08,089 INFO L168 Benchmark]: Boogie Preprocessor took 22.24 ms. Allocated memory is still 136.3 MB. Free memory was 116.1 MB in the beginning and 114.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2020-01-16 18:15:08,090 INFO L168 Benchmark]: RCFGBuilder took 547.68 ms. Allocated memory is still 136.3 MB. Free memory was 114.9 MB in the beginning and 94.9 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2020-01-16 18:15:08,091 INFO L168 Benchmark]: TraceAbstraction took 849972.86 ms. Allocated memory was 136.3 MB in the beginning and 4.2 GB in the end (delta: 4.1 GB). Free memory was 94.7 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 4.0 GB. Max. memory is 7.1 GB. [2020-01-16 18:15:08,096 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 1.22 ms. Allocated memory is still 136.3 MB. Free memory was 119.5 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 36.60 ms. Allocated memory is still 136.3 MB. Free memory was 118.0 MB in the beginning and 116.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.24 ms. Allocated memory is still 136.3 MB. Free memory was 116.1 MB in the beginning and 114.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 547.68 ms. Allocated memory is still 136.3 MB. Free memory was 114.9 MB in the beginning and 94.9 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 849972.86 ms. Allocated memory was 136.3 MB in the beginning and 4.2 GB in the end (delta: 4.1 GB). Free memory was 94.7 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 4.0 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