/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-PN-VariableLbe.epf -i ../../../trunk/examples/concurrent/bpl/mcr/example_20.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-abd8500 [2020-01-16 21:46:45,919 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-01-16 21:46:45,922 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-01-16 21:46:45,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-01-16 21:46:45,938 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-01-16 21:46:45,939 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-01-16 21:46:45,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-01-16 21:46:45,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-01-16 21:46:45,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-01-16 21:46:45,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-01-16 21:46:45,948 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-01-16 21:46:45,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-01-16 21:46:45,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-01-16 21:46:45,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-01-16 21:46:45,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-01-16 21:46:45,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-01-16 21:46:45,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-01-16 21:46:45,960 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-01-16 21:46:45,962 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-01-16 21:46:45,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-01-16 21:46:45,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-01-16 21:46:45,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-01-16 21:46:45,974 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-01-16 21:46:45,975 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-01-16 21:46:45,977 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-01-16 21:46:45,977 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-01-16 21:46:45,977 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-01-16 21:46:45,978 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-01-16 21:46:45,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-01-16 21:46:45,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-01-16 21:46:45,982 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-01-16 21:46:45,983 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-01-16 21:46:45,984 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-01-16 21:46:45,985 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-01-16 21:46:45,990 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-01-16 21:46:45,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-01-16 21:46:45,991 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-01-16 21:46:45,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-01-16 21:46:45,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-01-16 21:46:45,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-01-16 21:46:45,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-01-16 21:46:45,995 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-PN-VariableLbe.epf [2020-01-16 21:46:46,014 INFO L113 SettingsManager]: Loading preferences was successful [2020-01-16 21:46:46,015 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-01-16 21:46:46,016 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-01-16 21:46:46,017 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-01-16 21:46:46,017 INFO L138 SettingsManager]: * Use SBE=true [2020-01-16 21:46:46,017 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-01-16 21:46:46,017 INFO L138 SettingsManager]: * sizeof long=4 [2020-01-16 21:46:46,018 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-01-16 21:46:46,018 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-01-16 21:46:46,018 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-01-16 21:46:46,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-01-16 21:46:46,019 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-01-16 21:46:46,020 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-01-16 21:46:46,020 INFO L138 SettingsManager]: * sizeof long double=12 [2020-01-16 21:46:46,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-01-16 21:46:46,020 INFO L138 SettingsManager]: * Use constant arrays=true [2020-01-16 21:46:46,021 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-01-16 21:46:46,021 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-01-16 21:46:46,021 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-01-16 21:46:46,021 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-01-16 21:46:46,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-01-16 21:46:46,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-01-16 21:46:46,022 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-01-16 21:46:46,022 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-01-16 21:46:46,022 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-01-16 21:46:46,022 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-01-16 21:46:46,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-01-16 21:46:46,022 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-01-16 21:46:46,023 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-01-16 21:46:46,023 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-01-16 21:46:46,282 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-01-16 21:46:46,295 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-01-16 21:46:46,298 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-01-16 21:46:46,299 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-01-16 21:46:46,300 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-01-16 21:46:46,301 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_20.bpl [2020-01-16 21:46:46,301 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_20.bpl' [2020-01-16 21:46:46,339 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-01-16 21:46:46,341 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-01-16 21:46:46,342 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-01-16 21:46:46,342 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-01-16 21:46:46,342 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-01-16 21:46:46,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 09:46:46" (1/1) ... [2020-01-16 21:46:46,370 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 09:46:46" (1/1) ... [2020-01-16 21:46:46,381 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-01-16 21:46:46,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-01-16 21:46:46,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-01-16 21:46:46,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-01-16 21:46:46,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 09:46:46" (1/1) ... [2020-01-16 21:46:46,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 09:46:46" (1/1) ... [2020-01-16 21:46:46,405 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 09:46:46" (1/1) ... [2020-01-16 21:46:46,406 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 09:46:46" (1/1) ... [2020-01-16 21:46:46,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 09:46:46" (1/1) ... [2020-01-16 21:46:46,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 09:46:46" (1/1) ... [2020-01-16 21:46:46,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 09:46:46" (1/1) ... [2020-01-16 21:46:46,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-01-16 21:46:46,430 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-01-16 21:46:46,430 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-01-16 21:46:46,431 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-01-16 21:46:46,436 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 09:46:46" (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 21:46:46,521 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_16 given in one single declaration [2020-01-16 21:46:46,521 INFO L130 BoogieDeclarations]: Found specification of procedure set_16 [2020-01-16 21:46:46,523 INFO L138 BoogieDeclarations]: Found implementation of procedure set_16 [2020-01-16 21:46:46,523 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_17 given in one single declaration [2020-01-16 21:46:46,524 INFO L130 BoogieDeclarations]: Found specification of procedure set_17 [2020-01-16 21:46:46,524 INFO L138 BoogieDeclarations]: Found implementation of procedure set_17 [2020-01-16 21:46:46,524 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_14 given in one single declaration [2020-01-16 21:46:46,524 INFO L130 BoogieDeclarations]: Found specification of procedure set_14 [2020-01-16 21:46:46,524 INFO L138 BoogieDeclarations]: Found implementation of procedure set_14 [2020-01-16 21:46:46,525 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_15 given in one single declaration [2020-01-16 21:46:46,525 INFO L130 BoogieDeclarations]: Found specification of procedure set_15 [2020-01-16 21:46:46,525 INFO L138 BoogieDeclarations]: Found implementation of procedure set_15 [2020-01-16 21:46:46,525 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_18 given in one single declaration [2020-01-16 21:46:46,525 INFO L130 BoogieDeclarations]: Found specification of procedure set_18 [2020-01-16 21:46:46,525 INFO L138 BoogieDeclarations]: Found implementation of procedure set_18 [2020-01-16 21:46:46,527 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_19 given in one single declaration [2020-01-16 21:46:46,527 INFO L130 BoogieDeclarations]: Found specification of procedure set_19 [2020-01-16 21:46:46,527 INFO L138 BoogieDeclarations]: Found implementation of procedure set_19 [2020-01-16 21:46:46,527 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2020-01-16 21:46:46,527 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2020-01-16 21:46:46,528 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2020-01-16 21:46:46,528 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2020-01-16 21:46:46,529 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2020-01-16 21:46:46,529 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2020-01-16 21:46:46,529 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2020-01-16 21:46:46,537 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2020-01-16 21:46:46,537 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2020-01-16 21:46:46,538 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2020-01-16 21:46:46,538 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2020-01-16 21:46:46,538 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2020-01-16 21:46:46,538 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2020-01-16 21:46:46,539 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2020-01-16 21:46:46,539 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2020-01-16 21:46:46,539 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_9 given in one single declaration [2020-01-16 21:46:46,540 INFO L130 BoogieDeclarations]: Found specification of procedure set_9 [2020-01-16 21:46:46,540 INFO L138 BoogieDeclarations]: Found implementation of procedure set_9 [2020-01-16 21:46:46,540 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-01-16 21:46:46,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-01-16 21:46:46,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-01-16 21:46:46,541 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_12 given in one single declaration [2020-01-16 21:46:46,541 INFO L130 BoogieDeclarations]: Found specification of procedure set_12 [2020-01-16 21:46:46,541 INFO L138 BoogieDeclarations]: Found implementation of procedure set_12 [2020-01-16 21:46:46,542 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2020-01-16 21:46:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2020-01-16 21:46:46,542 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2020-01-16 21:46:46,542 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_13 given in one single declaration [2020-01-16 21:46:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure set_13 [2020-01-16 21:46:46,543 INFO L138 BoogieDeclarations]: Found implementation of procedure set_13 [2020-01-16 21:46:46,543 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2020-01-16 21:46:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2020-01-16 21:46:46,543 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2020-01-16 21:46:46,544 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_10 given in one single declaration [2020-01-16 21:46:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure set_10 [2020-01-16 21:46:46,544 INFO L138 BoogieDeclarations]: Found implementation of procedure set_10 [2020-01-16 21:46:46,545 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2020-01-16 21:46:46,545 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2020-01-16 21:46:46,545 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2020-01-16 21:46:46,545 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_11 given in one single declaration [2020-01-16 21:46:46,545 INFO L130 BoogieDeclarations]: Found specification of procedure set_11 [2020-01-16 21:46:46,545 INFO L138 BoogieDeclarations]: Found implementation of procedure set_11 [2020-01-16 21:46:46,546 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_8 given in one single declaration [2020-01-16 21:46:46,546 INFO L130 BoogieDeclarations]: Found specification of procedure set_8 [2020-01-16 21:46:46,546 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8 [2020-01-16 21:46:46,548 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 21:46:46,875 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-01-16 21:46:46,875 INFO L287 CfgBuilder]: Removed 0 assume(true) statements. [2020-01-16 21:46:46,877 INFO L202 PluginConnector]: Adding new model example_20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.01 09:46:46 BoogieIcfgContainer [2020-01-16 21:46:46,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-01-16 21:46:46,878 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-01-16 21:46:46,878 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-01-16 21:46:46,881 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-01-16 21:46:46,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 09:46:46" (1/2) ... [2020-01-16 21:46:46,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f8848c1 and model type example_20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.01 09:46:46, skipping insertion in model container [2020-01-16 21:46:46,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.01 09:46:46" (2/2) ... [2020-01-16 21:46:46,888 INFO L109 eAbstractionObserver]: Analyzing ICFG example_20.bpl [2020-01-16 21:46:46,901 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-01-16 21:46:46,911 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-01-16 21:46:46,912 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-01-16 21:46:47,555 INFO L250 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2020-01-16 21:46:47,575 INFO L374 AbstractCegarLoop]: Interprodecural is true [2020-01-16 21:46:47,576 INFO L375 AbstractCegarLoop]: Hoare is false [2020-01-16 21:46:47,576 INFO L376 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-01-16 21:46:47,576 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-01-16 21:46:47,576 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-01-16 21:46:47,576 INFO L379 AbstractCegarLoop]: Difference is false [2020-01-16 21:46:47,576 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-01-16 21:46:47,577 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-01-16 21:46:47,606 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 164 places, 483 transitions [2020-01-16 21:46:47,608 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 164 places, 483 transitions Received shutdown request... [2020-01-16 22:00:56,709 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.concurrency.CegarLoopForPetriNet.getInitialAbstraction(CegarLoopForPetriNet.java:157) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-01-16 22:00:56,715 INFO L168 Benchmark]: Toolchain (without parser) took 850372.70 ms. Allocated memory was 145.8 MB in the beginning and 4.2 GB in the end (delta: 4.1 GB). Free memory was 119.4 MB in the beginning and 2.5 GB in the end (delta: -2.4 GB). Peak memory consumption was 4.0 GB. Max. memory is 7.1 GB. [2020-01-16 22:00:56,716 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-01-16 22:00:56,717 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.49 ms. Allocated memory is still 145.8 MB. Free memory was 119.4 MB in the beginning and 117.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-01-16 22:00:56,718 INFO L168 Benchmark]: Boogie Preprocessor took 48.06 ms. Allocated memory is still 145.8 MB. Free memory was 117.4 MB in the beginning and 116.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2020-01-16 22:00:56,719 INFO L168 Benchmark]: RCFGBuilder took 446.98 ms. Allocated memory is still 145.8 MB. Free memory was 116.1 MB in the beginning and 95.6 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2020-01-16 22:00:56,721 INFO L168 Benchmark]: TraceAbstraction took 849833.17 ms. Allocated memory was 145.8 MB in the beginning and 4.2 GB in the end (delta: 4.1 GB). Free memory was 95.2 MB in the beginning and 2.5 GB in the end (delta: -2.4 GB). Peak memory consumption was 4.0 GB. Max. memory is 7.1 GB. [2020-01-16 22:00:56,725 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.6 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 39.49 ms. Allocated memory is still 145.8 MB. Free memory was 119.4 MB in the beginning and 117.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.06 ms. Allocated memory is still 145.8 MB. Free memory was 117.4 MB in the beginning and 116.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 446.98 ms. Allocated memory is still 145.8 MB. Free memory was 116.1 MB in the beginning and 95.6 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 849833.17 ms. Allocated memory was 145.8 MB in the beginning and 4.2 GB in the end (delta: 4.1 GB). Free memory was 95.2 MB in the beginning and 2.5 GB in the end (delta: -2.4 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