/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_20.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-abd8500 [2020-01-16 18:02:11,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-01-16 18:02:11,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-01-16 18:02:11,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-01-16 18:02:11,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-01-16 18:02:11,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-01-16 18:02:11,262 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-01-16 18:02:11,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-01-16 18:02:11,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-01-16 18:02:11,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-01-16 18:02:11,280 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-01-16 18:02:11,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-01-16 18:02:11,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-01-16 18:02:11,283 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-01-16 18:02:11,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-01-16 18:02:11,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-01-16 18:02:11,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-01-16 18:02:11,289 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-01-16 18:02:11,290 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-01-16 18:02:11,295 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-01-16 18:02:11,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-01-16 18:02:11,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-01-16 18:02:11,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-01-16 18:02:11,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-01-16 18:02:11,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-01-16 18:02:11,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-01-16 18:02:11,307 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-01-16 18:02:11,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-01-16 18:02:11,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-01-16 18:02:11,311 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-01-16 18:02:11,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-01-16 18:02:11,312 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-01-16 18:02:11,312 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-01-16 18:02:11,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-01-16 18:02:11,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-01-16 18:02:11,315 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-01-16 18:02:11,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-01-16 18:02:11,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-01-16 18:02:11,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-01-16 18:02:11,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-01-16 18:02:11,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-01-16 18:02:11,319 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 18:02:11,345 INFO L113 SettingsManager]: Loading preferences was successful [2020-01-16 18:02:11,345 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-01-16 18:02:11,347 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-01-16 18:02:11,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-01-16 18:02:11,349 INFO L138 SettingsManager]: * Use SBE=true [2020-01-16 18:02:11,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-01-16 18:02:11,349 INFO L138 SettingsManager]: * sizeof long=4 [2020-01-16 18:02:11,350 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-01-16 18:02:11,350 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-01-16 18:02:11,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-01-16 18:02:11,351 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-01-16 18:02:11,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-01-16 18:02:11,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-01-16 18:02:11,351 INFO L138 SettingsManager]: * sizeof long double=12 [2020-01-16 18:02:11,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-01-16 18:02:11,351 INFO L138 SettingsManager]: * Use constant arrays=true [2020-01-16 18:02:11,352 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-01-16 18:02:11,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-01-16 18:02:11,352 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-01-16 18:02:11,352 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-01-16 18:02:11,352 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-01-16 18:02:11,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-01-16 18:02:11,353 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-01-16 18:02:11,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-01-16 18:02:11,353 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-01-16 18:02:11,354 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-01-16 18:02:11,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-01-16 18:02:11,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-01-16 18:02:11,354 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-01-16 18:02:11,354 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-01-16 18:02:11,608 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-01-16 18:02:11,621 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-01-16 18:02:11,626 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-01-16 18:02:11,627 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-01-16 18:02:11,628 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-01-16 18:02:11,630 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_20.bpl [2020-01-16 18:02:11,631 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_20.bpl' [2020-01-16 18:02:11,685 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-01-16 18:02:11,688 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-01-16 18:02:11,689 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-01-16 18:02:11,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-01-16 18:02:11,689 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-01-16 18:02:11,705 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 06:02:11" (1/1) ... [2020-01-16 18:02:11,719 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 06:02:11" (1/1) ... [2020-01-16 18:02:11,728 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-01-16 18:02:11,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-01-16 18:02:11,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-01-16 18:02:11,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-01-16 18:02:11,740 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 06:02:11" (1/1) ... [2020-01-16 18:02:11,741 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 06:02:11" (1/1) ... [2020-01-16 18:02:11,751 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 06:02:11" (1/1) ... [2020-01-16 18:02:11,752 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 06:02:11" (1/1) ... [2020-01-16 18:02:11,763 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 06:02:11" (1/1) ... [2020-01-16 18:02:11,765 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 06:02:11" (1/1) ... [2020-01-16 18:02:11,767 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 06:02:11" (1/1) ... [2020-01-16 18:02:11,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-01-16 18:02:11,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-01-16 18:02:11,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-01-16 18:02:11,779 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-01-16 18:02:11,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 06:02:11" (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 18:02:11,850 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_16 given in one single declaration [2020-01-16 18:02:11,850 INFO L130 BoogieDeclarations]: Found specification of procedure set_16 [2020-01-16 18:02:11,851 INFO L138 BoogieDeclarations]: Found implementation of procedure set_16 [2020-01-16 18:02:11,851 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_17 given in one single declaration [2020-01-16 18:02:11,851 INFO L130 BoogieDeclarations]: Found specification of procedure set_17 [2020-01-16 18:02:11,851 INFO L138 BoogieDeclarations]: Found implementation of procedure set_17 [2020-01-16 18:02:11,852 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_14 given in one single declaration [2020-01-16 18:02:11,852 INFO L130 BoogieDeclarations]: Found specification of procedure set_14 [2020-01-16 18:02:11,852 INFO L138 BoogieDeclarations]: Found implementation of procedure set_14 [2020-01-16 18:02:11,852 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_15 given in one single declaration [2020-01-16 18:02:11,852 INFO L130 BoogieDeclarations]: Found specification of procedure set_15 [2020-01-16 18:02:11,853 INFO L138 BoogieDeclarations]: Found implementation of procedure set_15 [2020-01-16 18:02:11,853 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_18 given in one single declaration [2020-01-16 18:02:11,853 INFO L130 BoogieDeclarations]: Found specification of procedure set_18 [2020-01-16 18:02:11,853 INFO L138 BoogieDeclarations]: Found implementation of procedure set_18 [2020-01-16 18:02:11,853 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_19 given in one single declaration [2020-01-16 18:02:11,854 INFO L130 BoogieDeclarations]: Found specification of procedure set_19 [2020-01-16 18:02:11,854 INFO L138 BoogieDeclarations]: Found implementation of procedure set_19 [2020-01-16 18:02:11,854 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2020-01-16 18:02:11,854 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2020-01-16 18:02:11,854 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2020-01-16 18:02:11,854 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2020-01-16 18:02:11,855 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2020-01-16 18:02:11,855 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2020-01-16 18:02:11,855 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2020-01-16 18:02:11,855 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2020-01-16 18:02:11,855 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2020-01-16 18:02:11,856 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2020-01-16 18:02:11,856 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2020-01-16 18:02:11,856 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2020-01-16 18:02:11,856 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2020-01-16 18:02:11,856 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2020-01-16 18:02:11,856 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2020-01-16 18:02:11,857 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_9 given in one single declaration [2020-01-16 18:02:11,857 INFO L130 BoogieDeclarations]: Found specification of procedure set_9 [2020-01-16 18:02:11,857 INFO L138 BoogieDeclarations]: Found implementation of procedure set_9 [2020-01-16 18:02:11,857 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-01-16 18:02:11,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-01-16 18:02:11,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-01-16 18:02:11,858 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_12 given in one single declaration [2020-01-16 18:02:11,858 INFO L130 BoogieDeclarations]: Found specification of procedure set_12 [2020-01-16 18:02:11,858 INFO L138 BoogieDeclarations]: Found implementation of procedure set_12 [2020-01-16 18:02:11,858 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2020-01-16 18:02:11,858 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2020-01-16 18:02:11,859 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2020-01-16 18:02:11,859 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_13 given in one single declaration [2020-01-16 18:02:11,859 INFO L130 BoogieDeclarations]: Found specification of procedure set_13 [2020-01-16 18:02:11,859 INFO L138 BoogieDeclarations]: Found implementation of procedure set_13 [2020-01-16 18:02:11,859 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2020-01-16 18:02:11,860 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2020-01-16 18:02:11,860 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2020-01-16 18:02:11,860 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_10 given in one single declaration [2020-01-16 18:02:11,860 INFO L130 BoogieDeclarations]: Found specification of procedure set_10 [2020-01-16 18:02:11,860 INFO L138 BoogieDeclarations]: Found implementation of procedure set_10 [2020-01-16 18:02:11,861 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2020-01-16 18:02:11,861 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2020-01-16 18:02:11,861 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2020-01-16 18:02:11,861 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_11 given in one single declaration [2020-01-16 18:02:11,861 INFO L130 BoogieDeclarations]: Found specification of procedure set_11 [2020-01-16 18:02:11,861 INFO L138 BoogieDeclarations]: Found implementation of procedure set_11 [2020-01-16 18:02:11,862 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_8 given in one single declaration [2020-01-16 18:02:11,862 INFO L130 BoogieDeclarations]: Found specification of procedure set_8 [2020-01-16 18:02:11,862 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8 [2020-01-16 18:02:11,863 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 18:02:12,219 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-01-16 18:02:12,220 INFO L287 CfgBuilder]: Removed 0 assume(true) statements. [2020-01-16 18:02:12,221 INFO L202 PluginConnector]: Adding new model example_20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.01 06:02:12 BoogieIcfgContainer [2020-01-16 18:02:12,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-01-16 18:02:12,222 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-01-16 18:02:12,222 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-01-16 18:02:12,225 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-01-16 18:02:12,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 06:02:11" (1/2) ... [2020-01-16 18:02:12,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cc77dca and model type example_20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.01 06:02:12, skipping insertion in model container [2020-01-16 18:02:12,227 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 06:02:12" (2/2) ... [2020-01-16 18:02:12,229 INFO L109 eAbstractionObserver]: Analyzing ICFG example_20.bpl [2020-01-16 18:02:12,238 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-01-16 18:02:12,239 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-01-16 18:02:12,245 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-01-16 18:02:12,246 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-01-16 18:02:12,953 INFO L250 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2020-01-16 18:02:12,974 INFO L374 AbstractCegarLoop]: Interprodecural is true [2020-01-16 18:02:12,974 INFO L375 AbstractCegarLoop]: Hoare is true [2020-01-16 18:02:12,974 INFO L376 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-01-16 18:02:12,974 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-01-16 18:02:12,975 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-01-16 18:02:12,975 INFO L379 AbstractCegarLoop]: Difference is false [2020-01-16 18:02:12,975 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-01-16 18:02:12,975 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-01-16 18:02:12,999 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 164 places, 483 transitions [2020-01-16 18:02:13,001 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 164 places, 483 transitions Received shutdown request... [2020-01-16 18:16:20,991 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-01-16 18:16:20,997 INFO L168 Benchmark]: Toolchain (without parser) took 849309.08 ms. Allocated memory was 146.3 MB in the beginning and 4.3 GB in the end (delta: 4.1 GB). Free memory was 119.9 MB in the beginning and 973.9 MB in the end (delta: -854.0 MB). Peak memory consumption was 4.1 GB. Max. memory is 7.1 GB. [2020-01-16 18:16:20,998 INFO L168 Benchmark]: Boogie PL CUP Parser took 1.85 ms. Allocated memory is still 146.3 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-01-16 18:16:20,999 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.02 ms. Allocated memory is still 146.3 MB. Free memory was 119.9 MB in the beginning and 118.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-01-16 18:16:21,000 INFO L168 Benchmark]: Boogie Preprocessor took 44.46 ms. Allocated memory is still 146.3 MB. Free memory was 118.0 MB in the beginning and 116.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2020-01-16 18:16:21,001 INFO L168 Benchmark]: RCFGBuilder took 442.95 ms. Allocated memory is still 146.3 MB. Free memory was 116.6 MB in the beginning and 96.2 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2020-01-16 18:16:21,002 INFO L168 Benchmark]: TraceAbstraction took 848771.57 ms. Allocated memory was 146.3 MB in the beginning and 4.3 GB in the end (delta: 4.1 GB). Free memory was 95.8 MB in the beginning and 973.9 MB in the end (delta: -878.1 MB). Peak memory consumption was 4.1 GB. Max. memory is 7.1 GB. [2020-01-16 18:16:21,006 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 1.85 ms. Allocated memory is still 146.3 MB. Free memory was 121.3 MB in the beginning and 121.1 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 40.02 ms. Allocated memory is still 146.3 MB. Free memory was 119.9 MB in the beginning and 118.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.46 ms. Allocated memory is still 146.3 MB. Free memory was 118.0 MB in the beginning and 116.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 442.95 ms. Allocated memory is still 146.3 MB. Free memory was 116.6 MB in the beginning and 96.2 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 848771.57 ms. Allocated memory was 146.3 MB in the beginning and 4.3 GB in the end (delta: 4.1 GB). Free memory was 95.8 MB in the beginning and 973.9 MB in the end (delta: -878.1 MB). Peak memory consumption was 4.1 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