/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-NoLbe-MCR.epf -i ../../../trunk/examples/concurrent/bpl/mcr/example_20.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d9e330d [2020-02-11 01:17:41,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-02-11 01:17:41,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-02-11 01:17:41,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-02-11 01:17:41,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-02-11 01:17:41,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-02-11 01:17:41,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-02-11 01:17:41,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-02-11 01:17:41,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-02-11 01:17:41,279 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-02-11 01:17:41,280 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-02-11 01:17:41,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-02-11 01:17:41,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-02-11 01:17:41,283 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-02-11 01:17:41,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-02-11 01:17:41,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-02-11 01:17:41,289 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-02-11 01:17:41,294 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-02-11 01:17:41,295 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-02-11 01:17:41,300 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-02-11 01:17:41,303 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-02-11 01:17:41,304 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-02-11 01:17:41,305 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-02-11 01:17:41,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-02-11 01:17:41,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-02-11 01:17:41,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-02-11 01:17:41,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-02-11 01:17:41,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-02-11 01:17:41,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-02-11 01:17:41,310 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-02-11 01:17:41,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-02-11 01:17:41,311 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-02-11 01:17:41,312 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-02-11 01:17:41,313 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-02-11 01:17:41,314 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-02-11 01:17:41,314 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-02-11 01:17:41,315 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-02-11 01:17:41,315 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-02-11 01:17:41,315 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-02-11 01:17:41,316 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-02-11 01:17:41,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-02-11 01:17:41,317 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-NoLbe-MCR.epf [2020-02-11 01:17:41,331 INFO L113 SettingsManager]: Loading preferences was successful [2020-02-11 01:17:41,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-02-11 01:17:41,332 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-02-11 01:17:41,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-02-11 01:17:41,333 INFO L138 SettingsManager]: * Use SBE=true [2020-02-11 01:17:41,333 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-02-11 01:17:41,333 INFO L138 SettingsManager]: * sizeof long=4 [2020-02-11 01:17:41,333 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-02-11 01:17:41,334 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-02-11 01:17:41,334 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-02-11 01:17:41,334 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-02-11 01:17:41,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-02-11 01:17:41,334 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-02-11 01:17:41,335 INFO L138 SettingsManager]: * sizeof long double=12 [2020-02-11 01:17:41,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-02-11 01:17:41,335 INFO L138 SettingsManager]: * Use constant arrays=true [2020-02-11 01:17:41,335 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-02-11 01:17:41,335 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-02-11 01:17:41,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-02-11 01:17:41,336 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-02-11 01:17:41,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-02-11 01:17:41,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-02-11 01:17:41,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-02-11 01:17:41,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-02-11 01:17:41,337 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-02-11 01:17:41,337 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-02-11 01:17:41,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-02-11 01:17:41,337 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-02-11 01:17:41,337 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-02-11 01:17:41,338 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-02-11 01:17:41,338 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-02-11 01:17:41,338 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-02-11 01:17:41,607 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-02-11 01:17:41,628 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-02-11 01:17:41,632 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-02-11 01:17:41,634 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-02-11 01:17:41,635 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-02-11 01:17:41,636 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_20.bpl [2020-02-11 01:17:41,636 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_20.bpl' [2020-02-11 01:17:41,691 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-02-11 01:17:41,696 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-02-11 01:17:41,696 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-02-11 01:17:41,697 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-02-11 01:17:41,697 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-02-11 01:17:41,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:17:41" (1/1) ... [2020-02-11 01:17:41,725 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:17:41" (1/1) ... [2020-02-11 01:17:41,736 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-02-11 01:17:41,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-02-11 01:17:41,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-02-11 01:17:41,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-02-11 01:17:41,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:17:41" (1/1) ... [2020-02-11 01:17:41,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:17:41" (1/1) ... [2020-02-11 01:17:41,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:17:41" (1/1) ... [2020-02-11 01:17:41,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:17:41" (1/1) ... [2020-02-11 01:17:41,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:17:41" (1/1) ... [2020-02-11 01:17:41,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:17:41" (1/1) ... [2020-02-11 01:17:41,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:17:41" (1/1) ... [2020-02-11 01:17:41,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-02-11 01:17:41,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-02-11 01:17:41,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-02-11 01:17:41,786 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-02-11 01:17:41,787 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:17:41" (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 [2020-02-11 01:17:41,874 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_16 given in one single declaration [2020-02-11 01:17:41,875 INFO L130 BoogieDeclarations]: Found specification of procedure set_16 [2020-02-11 01:17:41,875 INFO L138 BoogieDeclarations]: Found implementation of procedure set_16 [2020-02-11 01:17:41,875 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_17 given in one single declaration [2020-02-11 01:17:41,876 INFO L130 BoogieDeclarations]: Found specification of procedure set_17 [2020-02-11 01:17:41,878 INFO L138 BoogieDeclarations]: Found implementation of procedure set_17 [2020-02-11 01:17:41,879 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_14 given in one single declaration [2020-02-11 01:17:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure set_14 [2020-02-11 01:17:41,879 INFO L138 BoogieDeclarations]: Found implementation of procedure set_14 [2020-02-11 01:17:41,879 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_15 given in one single declaration [2020-02-11 01:17:41,880 INFO L130 BoogieDeclarations]: Found specification of procedure set_15 [2020-02-11 01:17:41,880 INFO L138 BoogieDeclarations]: Found implementation of procedure set_15 [2020-02-11 01:17:41,880 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_18 given in one single declaration [2020-02-11 01:17:41,880 INFO L130 BoogieDeclarations]: Found specification of procedure set_18 [2020-02-11 01:17:41,881 INFO L138 BoogieDeclarations]: Found implementation of procedure set_18 [2020-02-11 01:17:41,881 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_19 given in one single declaration [2020-02-11 01:17:41,882 INFO L130 BoogieDeclarations]: Found specification of procedure set_19 [2020-02-11 01:17:41,882 INFO L138 BoogieDeclarations]: Found implementation of procedure set_19 [2020-02-11 01:17:41,882 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2020-02-11 01:17:41,882 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2020-02-11 01:17:41,883 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2020-02-11 01:17:41,883 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2020-02-11 01:17:41,884 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2020-02-11 01:17:41,890 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2020-02-11 01:17:41,891 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2020-02-11 01:17:41,893 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2020-02-11 01:17:41,893 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2020-02-11 01:17:41,893 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2020-02-11 01:17:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2020-02-11 01:17:41,894 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2020-02-11 01:17:41,894 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2020-02-11 01:17:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2020-02-11 01:17:41,894 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2020-02-11 01:17:41,895 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_9 given in one single declaration [2020-02-11 01:17:41,895 INFO L130 BoogieDeclarations]: Found specification of procedure set_9 [2020-02-11 01:17:41,895 INFO L138 BoogieDeclarations]: Found implementation of procedure set_9 [2020-02-11 01:17:41,896 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-02-11 01:17:41,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-02-11 01:17:41,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-02-11 01:17:41,896 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_12 given in one single declaration [2020-02-11 01:17:41,896 INFO L130 BoogieDeclarations]: Found specification of procedure set_12 [2020-02-11 01:17:41,896 INFO L138 BoogieDeclarations]: Found implementation of procedure set_12 [2020-02-11 01:17:41,897 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2020-02-11 01:17:41,898 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2020-02-11 01:17:41,898 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2020-02-11 01:17:41,898 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_13 given in one single declaration [2020-02-11 01:17:41,899 INFO L130 BoogieDeclarations]: Found specification of procedure set_13 [2020-02-11 01:17:41,899 INFO L138 BoogieDeclarations]: Found implementation of procedure set_13 [2020-02-11 01:17:41,899 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2020-02-11 01:17:41,899 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2020-02-11 01:17:41,900 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2020-02-11 01:17:41,900 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_10 given in one single declaration [2020-02-11 01:17:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure set_10 [2020-02-11 01:17:41,900 INFO L138 BoogieDeclarations]: Found implementation of procedure set_10 [2020-02-11 01:17:41,901 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2020-02-11 01:17:41,901 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2020-02-11 01:17:41,901 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2020-02-11 01:17:41,901 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_11 given in one single declaration [2020-02-11 01:17:41,901 INFO L130 BoogieDeclarations]: Found specification of procedure set_11 [2020-02-11 01:17:41,902 INFO L138 BoogieDeclarations]: Found implementation of procedure set_11 [2020-02-11 01:17:41,902 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_8 given in one single declaration [2020-02-11 01:17:41,902 INFO L130 BoogieDeclarations]: Found specification of procedure set_8 [2020-02-11 01:17:41,902 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8 [2020-02-11 01:17:41,903 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-02-11 01:17:42,263 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-02-11 01:17:42,263 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-02-11 01:17:42,269 INFO L202 PluginConnector]: Adding new model example_20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 01:17:42 BoogieIcfgContainer [2020-02-11 01:17:42,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-02-11 01:17:42,270 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-02-11 01:17:42,271 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-02-11 01:17:42,274 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-02-11 01:17:42,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:17:41" (1/2) ... [2020-02-11 01:17:42,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7088c882 and model type example_20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 01:17:42, skipping insertion in model container [2020-02-11 01:17:42,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 01:17:42" (2/2) ... [2020-02-11 01:17:42,278 INFO L109 eAbstractionObserver]: Analyzing ICFG example_20.bpl [2020-02-11 01:17:42,289 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-02-11 01:17:42,297 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-02-11 01:17:42,298 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-02-11 01:17:42,942 INFO L251 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2020-02-11 01:17:42,959 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-02-11 01:17:42,960 INFO L376 AbstractCegarLoop]: Hoare is false [2020-02-11 01:17:42,960 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-02-11 01:17:42,960 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-02-11 01:17:42,960 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-02-11 01:17:42,960 INFO L380 AbstractCegarLoop]: Difference is false [2020-02-11 01:17:42,960 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-02-11 01:17:42,960 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-02-11 01:17:42,981 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 164 places, 483 transitions Received shutdown request... [2020-02-11 01:31:52,167 WARN L544 AbstractCegarLoop]: Verification canceled [2020-02-11 01:31:52,172 WARN L227 ceAbstractionStarter]: Timeout [2020-02-11 01:31:52,172 INFO L202 PluginConnector]: Adding new model example_20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.02 01:31:52 BasicIcfg [2020-02-11 01:31:52,173 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-02-11 01:31:52,178 INFO L168 Benchmark]: Toolchain (without parser) took 850482.27 ms. Allocated memory was 136.8 MB in the beginning and 4.3 GB in the end (delta: 4.2 GB). Free memory was 118.4 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 4.0 GB. Max. memory is 7.1 GB. [2020-02-11 01:31:52,179 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 136.8 MB. Free memory is still 119.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-02-11 01:31:52,181 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.02 ms. Allocated memory is still 136.8 MB. Free memory was 118.4 MB in the beginning and 116.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2020-02-11 01:31:52,183 INFO L168 Benchmark]: Boogie Preprocessor took 48.71 ms. Allocated memory is still 136.8 MB. Free memory was 116.7 MB in the beginning and 115.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-02-11 01:31:52,185 INFO L168 Benchmark]: RCFGBuilder took 483.34 ms. Allocated memory is still 136.8 MB. Free memory was 115.3 MB in the beginning and 94.2 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2020-02-11 01:31:52,186 INFO L168 Benchmark]: TraceAbstraction took 849902.36 ms. Allocated memory was 136.8 MB in the beginning and 4.3 GB in the end (delta: 4.2 GB). Free memory was 93.8 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 4.0 GB. Max. memory is 7.1 GB. [2020-02-11 01:31:52,190 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 0.18 ms. Allocated memory is still 136.8 MB. Free memory is still 119.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 40.02 ms. Allocated memory is still 136.8 MB. Free memory was 118.4 MB in the beginning and 116.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.71 ms. Allocated memory is still 136.8 MB. Free memory was 116.7 MB in the beginning and 115.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 483.34 ms. Allocated memory is still 136.8 MB. Free memory was 115.3 MB in the beginning and 94.2 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 849902.36 ms. Allocated memory was 136.8 MB in the beginning and 4.3 GB in the end (delta: 4.2 GB). Free memory was 93.8 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 4.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 53]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 53). Cancelled while CegarLoopForPetriNet was constructing initial abstraction,while CegarLoopForPetriNet was removing dead transitions from Petri net that has has 164 places, 483 transitions,while PetriNetUnfolder was constructing finite prefix that currently has 144025 conditions, 72013 events (66630/72012 cut-off events. For 86752/86752 co-relation queries the response was YES. Maximal size of possible extension queue 14795. Compared 259312 event pairs. 0/86812 useless extension candidates. Maximal degree in co-relation 113135. Up to 49625 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 21 procedures, 104 locations, 1 error locations. Started 1 CEGAR loops. Result: TIMEOUT, OverallTime: 849.2s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 849.2s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown