/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-SemanticLbe.epf -i ../../../trunk/examples/concurrent/bpl/mcr/example_20.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d9e330d [2020-02-10 22:59:54,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-02-10 22:59:54,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-02-10 22:59:54,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-02-10 22:59:54,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-02-10 22:59:54,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-02-10 22:59:54,118 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-02-10 22:59:54,128 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-02-10 22:59:54,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-02-10 22:59:54,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-02-10 22:59:54,136 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-02-10 22:59:54,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-02-10 22:59:54,138 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-02-10 22:59:54,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-02-10 22:59:54,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-02-10 22:59:54,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-02-10 22:59:54,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-02-10 22:59:54,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-02-10 22:59:54,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-02-10 22:59:54,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-02-10 22:59:54,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-02-10 22:59:54,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-02-10 22:59:54,164 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-02-10 22:59:54,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-02-10 22:59:54,168 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-02-10 22:59:54,168 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-02-10 22:59:54,168 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-02-10 22:59:54,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-02-10 22:59:54,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-02-10 22:59:54,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-02-10 22:59:54,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-02-10 22:59:54,176 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-02-10 22:59:54,177 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-02-10 22:59:54,178 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-02-10 22:59:54,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-02-10 22:59:54,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-02-10 22:59:54,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-02-10 22:59:54,180 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-02-10 22:59:54,180 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-02-10 22:59:54,181 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-02-10 22:59:54,182 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-02-10 22:59:54,183 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-SemanticLbe.epf [2020-02-10 22:59:54,211 INFO L113 SettingsManager]: Loading preferences was successful [2020-02-10 22:59:54,211 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-02-10 22:59:54,213 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-02-10 22:59:54,213 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-02-10 22:59:54,213 INFO L138 SettingsManager]: * Use SBE=true [2020-02-10 22:59:54,213 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-02-10 22:59:54,213 INFO L138 SettingsManager]: * sizeof long=4 [2020-02-10 22:59:54,214 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-02-10 22:59:54,214 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-02-10 22:59:54,214 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-02-10 22:59:54,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-02-10 22:59:54,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-02-10 22:59:54,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-02-10 22:59:54,216 INFO L138 SettingsManager]: * sizeof long double=12 [2020-02-10 22:59:54,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-02-10 22:59:54,216 INFO L138 SettingsManager]: * Use constant arrays=true [2020-02-10 22:59:54,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-02-10 22:59:54,217 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-02-10 22:59:54,217 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-02-10 22:59:54,217 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-02-10 22:59:54,217 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-02-10 22:59:54,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-02-10 22:59:54,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-02-10 22:59:54,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-02-10 22:59:54,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-02-10 22:59:54,218 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-02-10 22:59:54,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-02-10 22:59:54,218 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-02-10 22:59:54,219 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-02-10 22:59:54,502 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-02-10 22:59:54,515 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-02-10 22:59:54,519 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-02-10 22:59:54,520 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-02-10 22:59:54,521 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-02-10 22:59:54,521 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_20.bpl [2020-02-10 22:59:54,522 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_20.bpl' [2020-02-10 22:59:54,561 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-02-10 22:59:54,564 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-02-10 22:59:54,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-02-10 22:59:54,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-02-10 22:59:54,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-02-10 22:59:54,582 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 10:59:54" (1/1) ... [2020-02-10 22:59:54,594 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 10:59:54" (1/1) ... [2020-02-10 22:59:54,605 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-02-10 22:59:54,605 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-02-10 22:59:54,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-02-10 22:59:54,606 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-02-10 22:59:54,617 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 10:59:54" (1/1) ... [2020-02-10 22:59:54,617 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 10:59:54" (1/1) ... [2020-02-10 22:59:54,626 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 10:59:54" (1/1) ... [2020-02-10 22:59:54,627 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 10:59:54" (1/1) ... [2020-02-10 22:59:54,638 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 10:59:54" (1/1) ... [2020-02-10 22:59:54,641 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 10:59:54" (1/1) ... [2020-02-10 22:59:54,644 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 10:59:54" (1/1) ... [2020-02-10 22:59:54,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-02-10 22:59:54,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-02-10 22:59:54,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-02-10 22:59:54,654 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-02-10 22:59:54,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 10:59:54" (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 22:59:54,730 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_16 given in one single declaration [2020-02-10 22:59:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure set_16 [2020-02-10 22:59:54,731 INFO L138 BoogieDeclarations]: Found implementation of procedure set_16 [2020-02-10 22:59:54,733 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_17 given in one single declaration [2020-02-10 22:59:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure set_17 [2020-02-10 22:59:54,733 INFO L138 BoogieDeclarations]: Found implementation of procedure set_17 [2020-02-10 22:59:54,734 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_14 given in one single declaration [2020-02-10 22:59:54,734 INFO L130 BoogieDeclarations]: Found specification of procedure set_14 [2020-02-10 22:59:54,734 INFO L138 BoogieDeclarations]: Found implementation of procedure set_14 [2020-02-10 22:59:54,734 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_15 given in one single declaration [2020-02-10 22:59:54,735 INFO L130 BoogieDeclarations]: Found specification of procedure set_15 [2020-02-10 22:59:54,735 INFO L138 BoogieDeclarations]: Found implementation of procedure set_15 [2020-02-10 22:59:54,735 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_18 given in one single declaration [2020-02-10 22:59:54,735 INFO L130 BoogieDeclarations]: Found specification of procedure set_18 [2020-02-10 22:59:54,735 INFO L138 BoogieDeclarations]: Found implementation of procedure set_18 [2020-02-10 22:59:54,736 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_19 given in one single declaration [2020-02-10 22:59:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure set_19 [2020-02-10 22:59:54,736 INFO L138 BoogieDeclarations]: Found implementation of procedure set_19 [2020-02-10 22:59:54,736 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2020-02-10 22:59:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2020-02-10 22:59:54,737 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2020-02-10 22:59:54,737 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2020-02-10 22:59:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2020-02-10 22:59:54,738 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2020-02-10 22:59:54,738 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2020-02-10 22:59:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2020-02-10 22:59:54,745 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2020-02-10 22:59:54,746 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2020-02-10 22:59:54,747 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2020-02-10 22:59:54,747 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2020-02-10 22:59:54,748 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2020-02-10 22:59:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2020-02-10 22:59:54,748 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2020-02-10 22:59:54,748 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_9 given in one single declaration [2020-02-10 22:59:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure set_9 [2020-02-10 22:59:54,749 INFO L138 BoogieDeclarations]: Found implementation of procedure set_9 [2020-02-10 22:59:54,749 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-02-10 22:59:54,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-02-10 22:59:54,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-02-10 22:59:54,750 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_12 given in one single declaration [2020-02-10 22:59:54,750 INFO L130 BoogieDeclarations]: Found specification of procedure set_12 [2020-02-10 22:59:54,750 INFO L138 BoogieDeclarations]: Found implementation of procedure set_12 [2020-02-10 22:59:54,751 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2020-02-10 22:59:54,751 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2020-02-10 22:59:54,751 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2020-02-10 22:59:54,752 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_13 given in one single declaration [2020-02-10 22:59:54,752 INFO L130 BoogieDeclarations]: Found specification of procedure set_13 [2020-02-10 22:59:54,752 INFO L138 BoogieDeclarations]: Found implementation of procedure set_13 [2020-02-10 22:59:54,752 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2020-02-10 22:59:54,752 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2020-02-10 22:59:54,752 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2020-02-10 22:59:54,753 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_10 given in one single declaration [2020-02-10 22:59:54,753 INFO L130 BoogieDeclarations]: Found specification of procedure set_10 [2020-02-10 22:59:54,753 INFO L138 BoogieDeclarations]: Found implementation of procedure set_10 [2020-02-10 22:59:54,754 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2020-02-10 22:59:54,754 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2020-02-10 22:59:54,754 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2020-02-10 22:59:54,754 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_11 given in one single declaration [2020-02-10 22:59:54,754 INFO L130 BoogieDeclarations]: Found specification of procedure set_11 [2020-02-10 22:59:54,755 INFO L138 BoogieDeclarations]: Found implementation of procedure set_11 [2020-02-10 22:59:54,755 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_8 given in one single declaration [2020-02-10 22:59:54,756 INFO L130 BoogieDeclarations]: Found specification of procedure set_8 [2020-02-10 22:59:54,756 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8 [2020-02-10 22:59:54,757 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 22:59:55,155 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-02-10 22:59:55,156 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-02-10 22:59:55,160 INFO L202 PluginConnector]: Adding new model example_20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 10:59:55 BoogieIcfgContainer [2020-02-10 22:59:55,161 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-02-10 22:59:55,162 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-02-10 22:59:55,162 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-02-10 22:59:55,165 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-02-10 22:59:55,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 10:59:54" (1/2) ... [2020-02-10 22:59:55,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cc954cf and model type example_20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 10:59:55, skipping insertion in model container [2020-02-10 22:59:55,167 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 10:59:55" (2/2) ... [2020-02-10 22:59:55,169 INFO L109 eAbstractionObserver]: Analyzing ICFG example_20.bpl [2020-02-10 22:59:55,179 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-02-10 22:59:55,187 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-02-10 22:59:55,188 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-02-10 22:59:55,846 INFO L251 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2020-02-10 22:59:55,878 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-02-10 22:59:55,878 INFO L376 AbstractCegarLoop]: Hoare is false [2020-02-10 22:59:55,878 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-02-10 22:59:55,878 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-02-10 22:59:55,878 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-02-10 22:59:55,879 INFO L380 AbstractCegarLoop]: Difference is false [2020-02-10 22:59:55,879 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-02-10 22:59:55,880 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-02-10 22:59:55,917 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 164 places, 483 transitions Received shutdown request... [2020-02-10 23:14:01,493 WARN L544 AbstractCegarLoop]: Verification canceled [2020-02-10 23:14:01,497 WARN L227 ceAbstractionStarter]: Timeout [2020-02-10 23:14:01,497 INFO L202 PluginConnector]: Adding new model example_20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 11:14:01 BasicIcfg [2020-02-10 23:14:01,498 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-02-10 23:14:01,501 INFO L168 Benchmark]: Toolchain (without parser) took 846937.43 ms. Allocated memory was 138.9 MB in the beginning and 4.1 GB in the end (delta: 4.0 GB). Free memory was 120.6 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 4.0 GB. Max. memory is 7.1 GB. [2020-02-10 23:14:01,502 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-02-10 23:14:01,503 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.68 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 118.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2020-02-10 23:14:01,504 INFO L168 Benchmark]: Boogie Preprocessor took 48.20 ms. Allocated memory is still 138.9 MB. Free memory was 118.8 MB in the beginning and 117.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-02-10 23:14:01,505 INFO L168 Benchmark]: RCFGBuilder took 506.88 ms. Allocated memory is still 138.9 MB. Free memory was 117.3 MB in the beginning and 96.6 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2020-02-10 23:14:01,506 INFO L168 Benchmark]: TraceAbstraction took 846335.98 ms. Allocated memory was 138.9 MB in the beginning and 4.1 GB in the end (delta: 4.0 GB). Free memory was 96.2 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 3.9 GB. Max. memory is 7.1 GB. [2020-02-10 23:14:01,510 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 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 122.1 MB in the beginning and 121.9 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 40.68 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 118.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.20 ms. Allocated memory is still 138.9 MB. Free memory was 118.8 MB in the beginning and 117.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 506.88 ms. Allocated memory is still 138.9 MB. Free memory was 117.3 MB in the beginning and 96.6 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 846335.98 ms. Allocated memory was 138.9 MB in the beginning and 4.1 GB in the end (delta: 4.0 GB). Free memory was 96.2 MB in the beginning and 1.1 GB in the end (delta: -1.0 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 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 138105 conditions, 69053 events (63875/69052 cut-off events. For 83472/83472 co-relation queries the response was YES. Maximal size of possible extension queue 14476. Compared 248646 event pairs. 0/83532 useless extension candidates. Maximal degree in co-relation 108858. Up to 46870 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 21 procedures, 104 locations, 1 error locations. Started 1 CEGAR loops. Result: TIMEOUT, OverallTime: 845.6s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 845.6s, 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