/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-abd8500 [2020-01-16 23:32:11,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-01-16 23:32:11,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-01-16 23:32:11,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-01-16 23:32:11,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-01-16 23:32:11,279 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-01-16 23:32:11,280 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-01-16 23:32:11,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-01-16 23:32:11,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-01-16 23:32:11,289 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-01-16 23:32:11,290 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-01-16 23:32:11,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-01-16 23:32:11,291 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-01-16 23:32:11,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-01-16 23:32:11,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-01-16 23:32:11,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-01-16 23:32:11,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-01-16 23:32:11,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-01-16 23:32:11,303 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-01-16 23:32:11,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-01-16 23:32:11,310 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-01-16 23:32:11,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-01-16 23:32:11,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-01-16 23:32:11,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-01-16 23:32:11,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-01-16 23:32:11,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-01-16 23:32:11,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-01-16 23:32:11,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-01-16 23:32:11,322 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-01-16 23:32:11,323 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-01-16 23:32:11,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-01-16 23:32:11,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-01-16 23:32:11,325 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-01-16 23:32:11,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-01-16 23:32:11,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-01-16 23:32:11,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-01-16 23:32:11,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-01-16 23:32:11,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-01-16 23:32:11,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-01-16 23:32:11,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-01-16 23:32:11,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-01-16 23:32:11,330 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 [2020-01-16 23:32:11,344 INFO L113 SettingsManager]: Loading preferences was successful [2020-01-16 23:32:11,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-01-16 23:32:11,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-01-16 23:32:11,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-01-16 23:32:11,345 INFO L138 SettingsManager]: * Use SBE=true [2020-01-16 23:32:11,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-01-16 23:32:11,346 INFO L138 SettingsManager]: * sizeof long=4 [2020-01-16 23:32:11,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-01-16 23:32:11,346 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-01-16 23:32:11,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-01-16 23:32:11,347 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-01-16 23:32:11,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-01-16 23:32:11,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-01-16 23:32:11,347 INFO L138 SettingsManager]: * sizeof long double=12 [2020-01-16 23:32:11,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-01-16 23:32:11,348 INFO L138 SettingsManager]: * Use constant arrays=true [2020-01-16 23:32:11,348 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-01-16 23:32:11,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-01-16 23:32:11,348 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-01-16 23:32:11,348 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-01-16 23:32:11,348 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-01-16 23:32:11,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-01-16 23:32:11,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-01-16 23:32:11,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-01-16 23:32:11,349 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-01-16 23:32:11,350 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-01-16 23:32:11,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-01-16 23:32:11,350 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-01-16 23:32:11,350 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-01-16 23:32:11,350 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-01-16 23:32:11,351 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-01-16 23:32:11,351 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-01-16 23:32:11,630 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-01-16 23:32:11,643 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-01-16 23:32:11,646 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-01-16 23:32:11,647 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-01-16 23:32:11,648 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-01-16 23:32:11,649 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_20.bpl [2020-01-16 23:32:11,649 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_20.bpl' [2020-01-16 23:32:11,686 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-01-16 23:32:11,689 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-01-16 23:32:11,689 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-01-16 23:32:11,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-01-16 23:32:11,690 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-01-16 23:32:11,705 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 11:32:11" (1/1) ... [2020-01-16 23:32:11,715 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 11:32:11" (1/1) ... [2020-01-16 23:32:11,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-01-16 23:32:11,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-01-16 23:32:11,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-01-16 23:32:11,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-01-16 23:32:11,736 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 11:32:11" (1/1) ... [2020-01-16 23:32:11,737 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 11:32:11" (1/1) ... [2020-01-16 23:32:11,738 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 11:32:11" (1/1) ... [2020-01-16 23:32:11,738 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 11:32:11" (1/1) ... [2020-01-16 23:32:11,744 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 11:32:11" (1/1) ... [2020-01-16 23:32:11,746 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 11:32:11" (1/1) ... [2020-01-16 23:32:11,747 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 11:32:11" (1/1) ... [2020-01-16 23:32:11,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-01-16 23:32:11,750 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-01-16 23:32:11,750 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-01-16 23:32:11,750 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-01-16 23:32:11,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 11:32:11" (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 23:32:11,824 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_16 given in one single declaration [2020-01-16 23:32:11,825 INFO L130 BoogieDeclarations]: Found specification of procedure set_16 [2020-01-16 23:32:11,825 INFO L138 BoogieDeclarations]: Found implementation of procedure set_16 [2020-01-16 23:32:11,825 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_17 given in one single declaration [2020-01-16 23:32:11,826 INFO L130 BoogieDeclarations]: Found specification of procedure set_17 [2020-01-16 23:32:11,829 INFO L138 BoogieDeclarations]: Found implementation of procedure set_17 [2020-01-16 23:32:11,829 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_14 given in one single declaration [2020-01-16 23:32:11,829 INFO L130 BoogieDeclarations]: Found specification of procedure set_14 [2020-01-16 23:32:11,829 INFO L138 BoogieDeclarations]: Found implementation of procedure set_14 [2020-01-16 23:32:11,830 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_15 given in one single declaration [2020-01-16 23:32:11,830 INFO L130 BoogieDeclarations]: Found specification of procedure set_15 [2020-01-16 23:32:11,830 INFO L138 BoogieDeclarations]: Found implementation of procedure set_15 [2020-01-16 23:32:11,830 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_18 given in one single declaration [2020-01-16 23:32:11,830 INFO L130 BoogieDeclarations]: Found specification of procedure set_18 [2020-01-16 23:32:11,831 INFO L138 BoogieDeclarations]: Found implementation of procedure set_18 [2020-01-16 23:32:11,831 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_19 given in one single declaration [2020-01-16 23:32:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure set_19 [2020-01-16 23:32:11,832 INFO L138 BoogieDeclarations]: Found implementation of procedure set_19 [2020-01-16 23:32:11,832 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2020-01-16 23:32:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2020-01-16 23:32:11,832 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2020-01-16 23:32:11,833 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2020-01-16 23:32:11,833 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2020-01-16 23:32:11,840 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2020-01-16 23:32:11,842 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2020-01-16 23:32:11,844 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2020-01-16 23:32:11,844 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2020-01-16 23:32:11,845 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2020-01-16 23:32:11,845 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2020-01-16 23:32:11,845 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2020-01-16 23:32:11,845 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2020-01-16 23:32:11,845 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2020-01-16 23:32:11,846 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2020-01-16 23:32:11,846 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_9 given in one single declaration [2020-01-16 23:32:11,846 INFO L130 BoogieDeclarations]: Found specification of procedure set_9 [2020-01-16 23:32:11,846 INFO L138 BoogieDeclarations]: Found implementation of procedure set_9 [2020-01-16 23:32:11,848 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-01-16 23:32:11,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-01-16 23:32:11,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-01-16 23:32:11,849 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_12 given in one single declaration [2020-01-16 23:32:11,849 INFO L130 BoogieDeclarations]: Found specification of procedure set_12 [2020-01-16 23:32:11,849 INFO L138 BoogieDeclarations]: Found implementation of procedure set_12 [2020-01-16 23:32:11,850 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2020-01-16 23:32:11,850 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2020-01-16 23:32:11,850 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2020-01-16 23:32:11,850 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_13 given in one single declaration [2020-01-16 23:32:11,851 INFO L130 BoogieDeclarations]: Found specification of procedure set_13 [2020-01-16 23:32:11,851 INFO L138 BoogieDeclarations]: Found implementation of procedure set_13 [2020-01-16 23:32:11,851 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2020-01-16 23:32:11,851 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2020-01-16 23:32:11,851 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2020-01-16 23:32:11,852 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_10 given in one single declaration [2020-01-16 23:32:11,852 INFO L130 BoogieDeclarations]: Found specification of procedure set_10 [2020-01-16 23:32:11,852 INFO L138 BoogieDeclarations]: Found implementation of procedure set_10 [2020-01-16 23:32:11,852 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2020-01-16 23:32:11,853 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2020-01-16 23:32:11,853 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2020-01-16 23:32:11,853 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_11 given in one single declaration [2020-01-16 23:32:11,854 INFO L130 BoogieDeclarations]: Found specification of procedure set_11 [2020-01-16 23:32:11,854 INFO L138 BoogieDeclarations]: Found implementation of procedure set_11 [2020-01-16 23:32:11,854 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_8 given in one single declaration [2020-01-16 23:32:11,854 INFO L130 BoogieDeclarations]: Found specification of procedure set_8 [2020-01-16 23:32:11,854 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8 [2020-01-16 23:32:11,855 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 23:32:12,224 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-01-16 23:32:12,225 INFO L287 CfgBuilder]: Removed 0 assume(true) statements. [2020-01-16 23:32:12,226 INFO L202 PluginConnector]: Adding new model example_20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.01 11:32:12 BoogieIcfgContainer [2020-01-16 23:32:12,226 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-01-16 23:32:12,227 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-01-16 23:32:12,227 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-01-16 23:32:12,230 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-01-16 23:32:12,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 11:32:11" (1/2) ... [2020-01-16 23:32:12,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29f52aa3 and model type example_20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.01 11:32:12, skipping insertion in model container [2020-01-16 23:32:12,232 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 11:32:12" (2/2) ... [2020-01-16 23:32:12,234 INFO L109 eAbstractionObserver]: Analyzing ICFG example_20.bpl [2020-01-16 23:32:12,243 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-01-16 23:32:12,250 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-01-16 23:32:12,251 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-01-16 23:32:12,929 INFO L250 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2020-01-16 23:32:12,948 INFO L374 AbstractCegarLoop]: Interprodecural is true [2020-01-16 23:32:12,948 INFO L375 AbstractCegarLoop]: Hoare is false [2020-01-16 23:32:12,948 INFO L376 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-01-16 23:32:12,949 INFO L377 AbstractCegarLoop]: Backedges is MCR [2020-01-16 23:32:12,949 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-01-16 23:32:12,949 INFO L379 AbstractCegarLoop]: Difference is false [2020-01-16 23:32:12,949 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-01-16 23:32:12,949 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Received shutdown request... [2020-01-16 23:46:20,784 WARN L543 AbstractCegarLoop]: Verification canceled [2020-01-16 23:46:20,789 WARN L227 ceAbstractionStarter]: Timeout [2020-01-16 23:46:20,790 INFO L202 PluginConnector]: Adding new model example_20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.01 11:46:20 BasicIcfg [2020-01-16 23:46:20,790 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-01-16 23:46:20,793 INFO L168 Benchmark]: Toolchain (without parser) took 849104.00 ms. Allocated memory was 143.7 MB in the beginning and 4.2 GB in the end (delta: 4.1 GB). Free memory was 118.5 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 3.9 GB. Max. memory is 7.1 GB. [2020-01-16 23:46:20,795 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 143.7 MB. Free memory was 120.0 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-01-16 23:46:20,796 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.83 ms. Allocated memory is still 143.7 MB. Free memory was 118.5 MB in the beginning and 116.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-01-16 23:46:20,797 INFO L168 Benchmark]: Boogie Preprocessor took 24.07 ms. Allocated memory is still 143.7 MB. Free memory was 116.6 MB in the beginning and 115.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2020-01-16 23:46:20,798 INFO L168 Benchmark]: RCFGBuilder took 476.55 ms. Allocated memory is still 143.7 MB. Free memory was 115.2 MB in the beginning and 94.9 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2020-01-16 23:46:20,799 INFO L168 Benchmark]: TraceAbstraction took 848563.01 ms. Allocated memory was 143.7 MB in the beginning and 4.2 GB in the end (delta: 4.1 GB). Free memory was 94.5 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 3.9 GB. Max. memory is 7.1 GB. [2020-01-16 23:46:20,803 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 0.17 ms. Allocated memory is still 143.7 MB. Free memory was 120.0 MB in the beginning and 119.7 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 35.83 ms. Allocated memory is still 143.7 MB. Free memory was 118.5 MB in the beginning and 116.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.07 ms. Allocated memory is still 143.7 MB. Free memory was 116.6 MB in the beginning and 115.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 476.55 ms. Allocated memory is still 143.7 MB. Free memory was 115.2 MB in the beginning and 94.9 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 848563.01 ms. Allocated memory was 143.7 MB in the beginning and 4.2 GB in the end (delta: 4.1 GB). Free memory was 94.5 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 3.9 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 PetriNetUnfolder was constructing finite prefix that currently has 137161 conditions, 68581 events (63434/68580 cut-off events. For 82976/82976 co-relation queries the response was YES. Maximal size of possible extension queue 14447. Compared 247025 event pairs. 0/83036 useless extension candidates. Maximal degree in co-relation 108175. Up to 46429 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 21 procedures, 104 locations, 1 error locations. Started 1 CEGAR loops. Result: TIMEOUT, OverallTime: 847.8s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=164occurred in iteration=0, 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