/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-d9e330d [2020-02-10 23:28:28,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-02-10 23:28:28,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-02-10 23:28:28,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-02-10 23:28:28,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-02-10 23:28:28,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-02-10 23:28:28,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-02-10 23:28:28,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-02-10 23:28:28,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-02-10 23:28:28,387 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-02-10 23:28:28,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-02-10 23:28:28,391 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-02-10 23:28:28,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-02-10 23:28:28,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-02-10 23:28:28,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-02-10 23:28:28,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-02-10 23:28:28,398 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-02-10 23:28:28,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-02-10 23:28:28,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-02-10 23:28:28,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-02-10 23:28:28,410 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-02-10 23:28:28,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-02-10 23:28:28,415 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-02-10 23:28:28,416 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-02-10 23:28:28,418 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-02-10 23:28:28,418 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-02-10 23:28:28,419 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-02-10 23:28:28,420 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-02-10 23:28:28,421 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-02-10 23:28:28,422 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-02-10 23:28:28,422 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-02-10 23:28:28,423 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-02-10 23:28:28,424 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-02-10 23:28:28,425 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-02-10 23:28:28,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-02-10 23:28:28,426 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-02-10 23:28:28,427 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-02-10 23:28:28,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-02-10 23:28:28,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-02-10 23:28:28,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-02-10 23:28:28,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-02-10 23:28:28,430 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 [2020-02-10 23:28:28,462 INFO L113 SettingsManager]: Loading preferences was successful [2020-02-10 23:28:28,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-02-10 23:28:28,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-02-10 23:28:28,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-02-10 23:28:28,467 INFO L138 SettingsManager]: * Use SBE=true [2020-02-10 23:28:28,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-02-10 23:28:28,468 INFO L138 SettingsManager]: * sizeof long=4 [2020-02-10 23:28:28,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-02-10 23:28:28,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-02-10 23:28:28,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-02-10 23:28:28,468 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-02-10 23:28:28,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-02-10 23:28:28,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-02-10 23:28:28,470 INFO L138 SettingsManager]: * sizeof long double=12 [2020-02-10 23:28:28,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-02-10 23:28:28,470 INFO L138 SettingsManager]: * Use constant arrays=true [2020-02-10 23:28:28,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-02-10 23:28:28,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-02-10 23:28:28,471 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-02-10 23:28:28,471 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-02-10 23:28:28,471 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-02-10 23:28:28,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-02-10 23:28:28,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-02-10 23:28:28,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-02-10 23:28:28,472 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-02-10 23:28:28,472 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-02-10 23:28:28,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-02-10 23:28:28,473 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-02-10 23:28:28,473 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-02-10 23:28:28,473 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-02-10 23:28:28,759 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-02-10 23:28:28,773 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-02-10 23:28:28,776 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-02-10 23:28:28,778 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-02-10 23:28:28,778 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-02-10 23:28:28,779 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_20.bpl [2020-02-10 23:28:28,779 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_20.bpl' [2020-02-10 23:28:28,818 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-02-10 23:28:28,821 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-02-10 23:28:28,821 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-02-10 23:28:28,822 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-02-10 23:28:28,822 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-02-10 23:28:28,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 11:28:28" (1/1) ... [2020-02-10 23:28:28,849 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 11:28:28" (1/1) ... [2020-02-10 23:28:28,858 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-02-10 23:28:28,859 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-02-10 23:28:28,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-02-10 23:28:28,860 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-02-10 23:28:28,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 11:28:28" (1/1) ... [2020-02-10 23:28:28,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 11:28:28" (1/1) ... [2020-02-10 23:28:28,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 11:28:28" (1/1) ... [2020-02-10 23:28:28,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 11:28:28" (1/1) ... [2020-02-10 23:28:28,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 11:28:28" (1/1) ... [2020-02-10 23:28:28,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 11:28:28" (1/1) ... [2020-02-10 23:28:28,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 11:28:28" (1/1) ... [2020-02-10 23:28:28,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-02-10 23:28:28,884 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-02-10 23:28:28,884 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-02-10 23:28:28,884 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-02-10 23:28:28,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 11:28:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-02-10 23:28:28,968 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_16 given in one single declaration [2020-02-10 23:28:28,969 INFO L130 BoogieDeclarations]: Found specification of procedure set_16 [2020-02-10 23:28:28,970 INFO L138 BoogieDeclarations]: Found implementation of procedure set_16 [2020-02-10 23:28:28,971 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_17 given in one single declaration [2020-02-10 23:28:28,971 INFO L130 BoogieDeclarations]: Found specification of procedure set_17 [2020-02-10 23:28:28,971 INFO L138 BoogieDeclarations]: Found implementation of procedure set_17 [2020-02-10 23:28:28,972 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_14 given in one single declaration [2020-02-10 23:28:28,972 INFO L130 BoogieDeclarations]: Found specification of procedure set_14 [2020-02-10 23:28:28,972 INFO L138 BoogieDeclarations]: Found implementation of procedure set_14 [2020-02-10 23:28:28,972 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_15 given in one single declaration [2020-02-10 23:28:28,972 INFO L130 BoogieDeclarations]: Found specification of procedure set_15 [2020-02-10 23:28:28,973 INFO L138 BoogieDeclarations]: Found implementation of procedure set_15 [2020-02-10 23:28:28,973 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_18 given in one single declaration [2020-02-10 23:28:28,973 INFO L130 BoogieDeclarations]: Found specification of procedure set_18 [2020-02-10 23:28:28,973 INFO L138 BoogieDeclarations]: Found implementation of procedure set_18 [2020-02-10 23:28:28,973 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_19 given in one single declaration [2020-02-10 23:28:28,974 INFO L130 BoogieDeclarations]: Found specification of procedure set_19 [2020-02-10 23:28:28,974 INFO L138 BoogieDeclarations]: Found implementation of procedure set_19 [2020-02-10 23:28:28,974 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2020-02-10 23:28:28,975 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2020-02-10 23:28:28,975 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2020-02-10 23:28:28,975 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2020-02-10 23:28:28,975 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2020-02-10 23:28:28,976 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2020-02-10 23:28:28,983 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2020-02-10 23:28:28,984 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2020-02-10 23:28:28,984 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2020-02-10 23:28:28,985 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2020-02-10 23:28:28,985 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2020-02-10 23:28:28,985 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2020-02-10 23:28:28,986 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2020-02-10 23:28:28,986 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2020-02-10 23:28:28,986 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2020-02-10 23:28:28,986 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_9 given in one single declaration [2020-02-10 23:28:28,987 INFO L130 BoogieDeclarations]: Found specification of procedure set_9 [2020-02-10 23:28:28,987 INFO L138 BoogieDeclarations]: Found implementation of procedure set_9 [2020-02-10 23:28:28,987 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-02-10 23:28:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-02-10 23:28:28,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-02-10 23:28:28,988 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_12 given in one single declaration [2020-02-10 23:28:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure set_12 [2020-02-10 23:28:28,988 INFO L138 BoogieDeclarations]: Found implementation of procedure set_12 [2020-02-10 23:28:28,989 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2020-02-10 23:28:28,989 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2020-02-10 23:28:28,990 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2020-02-10 23:28:28,990 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_13 given in one single declaration [2020-02-10 23:28:28,990 INFO L130 BoogieDeclarations]: Found specification of procedure set_13 [2020-02-10 23:28:28,991 INFO L138 BoogieDeclarations]: Found implementation of procedure set_13 [2020-02-10 23:28:28,991 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2020-02-10 23:28:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2020-02-10 23:28:28,992 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2020-02-10 23:28:28,992 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_10 given in one single declaration [2020-02-10 23:28:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure set_10 [2020-02-10 23:28:28,993 INFO L138 BoogieDeclarations]: Found implementation of procedure set_10 [2020-02-10 23:28:28,993 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2020-02-10 23:28:28,993 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2020-02-10 23:28:28,993 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2020-02-10 23:28:28,994 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_11 given in one single declaration [2020-02-10 23:28:28,994 INFO L130 BoogieDeclarations]: Found specification of procedure set_11 [2020-02-10 23:28:28,994 INFO L138 BoogieDeclarations]: Found implementation of procedure set_11 [2020-02-10 23:28:28,995 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_8 given in one single declaration [2020-02-10 23:28:28,995 INFO L130 BoogieDeclarations]: Found specification of procedure set_8 [2020-02-10 23:28:28,995 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8 [2020-02-10 23:28:28,996 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-02-10 23:28:29,375 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-02-10 23:28:29,375 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-02-10 23:28:29,382 INFO L202 PluginConnector]: Adding new model example_20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 11:28:29 BoogieIcfgContainer [2020-02-10 23:28:29,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-02-10 23:28:29,384 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-02-10 23:28:29,384 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-02-10 23:28:29,387 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-02-10 23:28:29,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 11:28:28" (1/2) ... [2020-02-10 23:28:29,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1be99293 and model type example_20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 11:28:29, skipping insertion in model container [2020-02-10 23:28:29,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 11:28:29" (2/2) ... [2020-02-10 23:28:29,392 INFO L109 eAbstractionObserver]: Analyzing ICFG example_20.bpl [2020-02-10 23:28:29,403 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-02-10 23:28:29,412 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-02-10 23:28:29,413 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-02-10 23:28:30,069 INFO L251 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2020-02-10 23:28:30,092 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-02-10 23:28:30,092 INFO L376 AbstractCegarLoop]: Hoare is false [2020-02-10 23:28:30,092 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-02-10 23:28:30,092 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-02-10 23:28:30,092 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-02-10 23:28:30,092 INFO L380 AbstractCegarLoop]: Difference is false [2020-02-10 23:28:30,092 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-02-10 23:28:30,092 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-02-10 23:28:30,112 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 164 places, 483 transitions Received shutdown request... [2020-02-10 23:42:39,704 WARN L544 AbstractCegarLoop]: Verification canceled [2020-02-10 23:42:39,708 WARN L227 ceAbstractionStarter]: Timeout [2020-02-10 23:42:39,709 INFO L202 PluginConnector]: Adding new model example_20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 11:42:39 BasicIcfg [2020-02-10 23:42:39,709 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-02-10 23:42:39,712 INFO L168 Benchmark]: Toolchain (without parser) took 850891.21 ms. Allocated memory was 144.7 MB in the beginning and 4.2 GB in the end (delta: 4.1 GB). Free memory was 119.5 MB in the beginning and 2.2 GB in the end (delta: -2.1 GB). Peak memory consumption was 4.0 GB. Max. memory is 7.1 GB. [2020-02-10 23:42:39,714 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-02-10 23:42:39,715 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.52 ms. Allocated memory is still 144.7 MB. Free memory was 119.3 MB in the beginning and 117.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2020-02-10 23:42:39,717 INFO L168 Benchmark]: Boogie Preprocessor took 24.46 ms. Allocated memory is still 144.7 MB. Free memory was 117.6 MB in the beginning and 116.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-02-10 23:42:39,718 INFO L168 Benchmark]: RCFGBuilder took 498.14 ms. Allocated memory is still 144.7 MB. Free memory was 116.2 MB in the beginning and 95.3 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2020-02-10 23:42:39,720 INFO L168 Benchmark]: TraceAbstraction took 850324.83 ms. Allocated memory was 144.7 MB in the beginning and 4.2 GB in the end (delta: 4.1 GB). Free memory was 94.9 MB in the beginning and 2.2 GB in the end (delta: -2.1 GB). Peak memory consumption was 4.0 GB. Max. memory is 7.1 GB. [2020-02-10 23:42:39,724 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 0.20 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 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 37.52 ms. Allocated memory is still 144.7 MB. Free memory was 119.3 MB in the beginning and 117.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.46 ms. Allocated memory is still 144.7 MB. Free memory was 117.6 MB in the beginning and 116.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 498.14 ms. Allocated memory is still 144.7 MB. Free memory was 116.2 MB in the beginning and 95.3 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 850324.83 ms. Allocated memory was 144.7 MB in the beginning and 4.2 GB in the end (delta: 4.1 GB). Free memory was 94.9 MB in the beginning and 2.2 GB in the end (delta: -2.1 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 140647 conditions, 70324 events (65062/70323 cut-off events. For 84816/84816 co-relation queries the response was YES. Maximal size of possible extension queue 14545. Compared 252881 event pairs. 0/84876 useless extension candidates. Maximal degree in co-relation 110471. Up to 48057 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 21 procedures, 104 locations, 1 error locations. Started 1 CEGAR loops. Result: TIMEOUT, OverallTime: 849.6s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 849.6s, 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