/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/concurrent/bpl/mcr/example_20.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d9e330d [2020-02-10 19:43:28,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-02-10 19:43:28,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-02-10 19:43:28,186 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-02-10 19:43:28,186 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-02-10 19:43:28,187 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-02-10 19:43:28,189 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-02-10 19:43:28,191 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-02-10 19:43:28,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-02-10 19:43:28,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-02-10 19:43:28,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-02-10 19:43:28,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-02-10 19:43:28,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-02-10 19:43:28,196 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-02-10 19:43:28,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-02-10 19:43:28,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-02-10 19:43:28,199 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-02-10 19:43:28,200 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-02-10 19:43:28,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-02-10 19:43:28,205 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-02-10 19:43:28,207 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-02-10 19:43:28,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-02-10 19:43:28,213 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-02-10 19:43:28,214 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-02-10 19:43:28,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-02-10 19:43:28,219 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-02-10 19:43:28,219 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-02-10 19:43:28,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-02-10 19:43:28,222 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-02-10 19:43:28,223 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-02-10 19:43:28,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-02-10 19:43:28,224 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-02-10 19:43:28,225 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-02-10 19:43:28,227 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-02-10 19:43:28,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-02-10 19:43:28,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-02-10 19:43:28,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-02-10 19:43:28,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-02-10 19:43:28,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-02-10 19:43:28,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-02-10 19:43:28,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-02-10 19:43:28,237 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-02-10 19:43:28,256 INFO L113 SettingsManager]: Loading preferences was successful [2020-02-10 19:43:28,256 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-02-10 19:43:28,258 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-02-10 19:43:28,259 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-02-10 19:43:28,259 INFO L138 SettingsManager]: * Use SBE=true [2020-02-10 19:43:28,259 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-02-10 19:43:28,259 INFO L138 SettingsManager]: * sizeof long=4 [2020-02-10 19:43:28,259 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-02-10 19:43:28,260 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-02-10 19:43:28,260 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-02-10 19:43:28,261 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-02-10 19:43:28,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-02-10 19:43:28,261 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-02-10 19:43:28,262 INFO L138 SettingsManager]: * sizeof long double=12 [2020-02-10 19:43:28,262 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-02-10 19:43:28,262 INFO L138 SettingsManager]: * Use constant arrays=true [2020-02-10 19:43:28,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-02-10 19:43:28,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-02-10 19:43:28,263 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-02-10 19:43:28,263 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-02-10 19:43:28,263 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-02-10 19:43:28,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-02-10 19:43:28,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-02-10 19:43:28,264 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-02-10 19:43:28,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-02-10 19:43:28,264 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-02-10 19:43:28,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-02-10 19:43:28,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-02-10 19:43:28,264 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-02-10 19:43:28,265 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-02-10 19:43:28,568 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-02-10 19:43:28,591 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-02-10 19:43:28,594 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-02-10 19:43:28,596 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-02-10 19:43:28,597 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-02-10 19:43:28,598 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_20.bpl [2020-02-10 19:43:28,598 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_20.bpl' [2020-02-10 19:43:28,656 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-02-10 19:43:28,659 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-02-10 19:43:28,660 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-02-10 19:43:28,660 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-02-10 19:43:28,660 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-02-10 19:43:28,677 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 07:43:28" (1/1) ... [2020-02-10 19:43:28,689 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 07:43:28" (1/1) ... [2020-02-10 19:43:28,699 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-02-10 19:43:28,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-02-10 19:43:28,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-02-10 19:43:28,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-02-10 19:43:28,711 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 07:43:28" (1/1) ... [2020-02-10 19:43:28,711 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 07:43:28" (1/1) ... [2020-02-10 19:43:28,721 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 07:43:28" (1/1) ... [2020-02-10 19:43:28,722 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 07:43:28" (1/1) ... [2020-02-10 19:43:28,731 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 07:43:28" (1/1) ... [2020-02-10 19:43:28,734 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 07:43:28" (1/1) ... [2020-02-10 19:43:28,736 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 07:43:28" (1/1) ... [2020-02-10 19:43:28,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-02-10 19:43:28,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-02-10 19:43:28,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-02-10 19:43:28,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-02-10 19:43:28,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 07:43:28" (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 19:43:28,817 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_16 given in one single declaration [2020-02-10 19:43:28,818 INFO L130 BoogieDeclarations]: Found specification of procedure set_16 [2020-02-10 19:43:28,820 INFO L138 BoogieDeclarations]: Found implementation of procedure set_16 [2020-02-10 19:43:28,820 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_17 given in one single declaration [2020-02-10 19:43:28,820 INFO L130 BoogieDeclarations]: Found specification of procedure set_17 [2020-02-10 19:43:28,820 INFO L138 BoogieDeclarations]: Found implementation of procedure set_17 [2020-02-10 19:43:28,821 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_14 given in one single declaration [2020-02-10 19:43:28,821 INFO L130 BoogieDeclarations]: Found specification of procedure set_14 [2020-02-10 19:43:28,821 INFO L138 BoogieDeclarations]: Found implementation of procedure set_14 [2020-02-10 19:43:28,821 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_15 given in one single declaration [2020-02-10 19:43:28,821 INFO L130 BoogieDeclarations]: Found specification of procedure set_15 [2020-02-10 19:43:28,821 INFO L138 BoogieDeclarations]: Found implementation of procedure set_15 [2020-02-10 19:43:28,822 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_18 given in one single declaration [2020-02-10 19:43:28,822 INFO L130 BoogieDeclarations]: Found specification of procedure set_18 [2020-02-10 19:43:28,822 INFO L138 BoogieDeclarations]: Found implementation of procedure set_18 [2020-02-10 19:43:28,822 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_19 given in one single declaration [2020-02-10 19:43:28,822 INFO L130 BoogieDeclarations]: Found specification of procedure set_19 [2020-02-10 19:43:28,822 INFO L138 BoogieDeclarations]: Found implementation of procedure set_19 [2020-02-10 19:43:28,822 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2020-02-10 19:43:28,823 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2020-02-10 19:43:28,823 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2020-02-10 19:43:28,823 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2020-02-10 19:43:28,823 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2020-02-10 19:43:28,823 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2020-02-10 19:43:28,823 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2020-02-10 19:43:28,824 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2020-02-10 19:43:28,824 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2020-02-10 19:43:28,824 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2020-02-10 19:43:28,824 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2020-02-10 19:43:28,824 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2020-02-10 19:43:28,825 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2020-02-10 19:43:28,825 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2020-02-10 19:43:28,825 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2020-02-10 19:43:28,825 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_9 given in one single declaration [2020-02-10 19:43:28,825 INFO L130 BoogieDeclarations]: Found specification of procedure set_9 [2020-02-10 19:43:28,826 INFO L138 BoogieDeclarations]: Found implementation of procedure set_9 [2020-02-10 19:43:28,826 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-02-10 19:43:28,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-02-10 19:43:28,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-02-10 19:43:28,826 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_12 given in one single declaration [2020-02-10 19:43:28,827 INFO L130 BoogieDeclarations]: Found specification of procedure set_12 [2020-02-10 19:43:28,827 INFO L138 BoogieDeclarations]: Found implementation of procedure set_12 [2020-02-10 19:43:28,827 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2020-02-10 19:43:28,827 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2020-02-10 19:43:28,827 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2020-02-10 19:43:28,828 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_13 given in one single declaration [2020-02-10 19:43:28,828 INFO L130 BoogieDeclarations]: Found specification of procedure set_13 [2020-02-10 19:43:28,828 INFO L138 BoogieDeclarations]: Found implementation of procedure set_13 [2020-02-10 19:43:28,828 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2020-02-10 19:43:28,828 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2020-02-10 19:43:28,828 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2020-02-10 19:43:28,829 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_10 given in one single declaration [2020-02-10 19:43:28,829 INFO L130 BoogieDeclarations]: Found specification of procedure set_10 [2020-02-10 19:43:28,829 INFO L138 BoogieDeclarations]: Found implementation of procedure set_10 [2020-02-10 19:43:28,829 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2020-02-10 19:43:28,829 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2020-02-10 19:43:28,830 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2020-02-10 19:43:28,830 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_11 given in one single declaration [2020-02-10 19:43:28,830 INFO L130 BoogieDeclarations]: Found specification of procedure set_11 [2020-02-10 19:43:28,830 INFO L138 BoogieDeclarations]: Found implementation of procedure set_11 [2020-02-10 19:43:28,830 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_8 given in one single declaration [2020-02-10 19:43:28,830 INFO L130 BoogieDeclarations]: Found specification of procedure set_8 [2020-02-10 19:43:28,831 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8 [2020-02-10 19:43:28,832 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 19:43:29,177 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-02-10 19:43:29,177 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-02-10 19:43:29,182 INFO L202 PluginConnector]: Adding new model example_20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 07:43:29 BoogieIcfgContainer [2020-02-10 19:43:29,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-02-10 19:43:29,183 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-02-10 19:43:29,183 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-02-10 19:43:29,186 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-02-10 19:43:29,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 07:43:28" (1/2) ... [2020-02-10 19:43:29,188 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 07:43:29, skipping insertion in model container [2020-02-10 19:43:29,188 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 07:43:29" (2/2) ... [2020-02-10 19:43:29,190 INFO L109 eAbstractionObserver]: Analyzing ICFG example_20.bpl [2020-02-10 19:43:29,198 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-02-10 19:43:29,199 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-02-10 19:43:29,206 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-02-10 19:43:29,207 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-02-10 19:43:29,848 INFO L251 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2020-02-10 19:43:29,869 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-02-10 19:43:29,869 INFO L376 AbstractCegarLoop]: Hoare is true [2020-02-10 19:43:29,869 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-02-10 19:43:29,869 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-02-10 19:43:29,869 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-02-10 19:43:29,870 INFO L380 AbstractCegarLoop]: Difference is false [2020-02-10 19:43:29,870 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-02-10 19:43:29,870 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-02-10 19:43:29,892 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 164 places, 483 transitions [2020-02-10 19:43:29,894 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 164 places, 483 transitions Received shutdown request... [2020-02-10 19:57:35,669 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.petrinetlbe.PetriNetLargeBlockEncoding.generateTimeoutMessage(PetriNetLargeBlockEncoding.java:247) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.petrinetlbe.PetriNetLargeBlockEncoding.(PetriNetLargeBlockEncoding.java:220) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:351) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-02-10 19:57:35,675 INFO L168 Benchmark]: Toolchain (without parser) took 847016.00 ms. Allocated memory was 144.2 MB in the beginning and 4.2 GB in the end (delta: 4.1 GB). Free memory was 119.0 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 4.2 GB. Max. memory is 7.1 GB. [2020-02-10 19:57:35,676 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.49 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-02-10 19:57:35,676 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.72 ms. Allocated memory is still 144.2 MB. Free memory was 118.8 MB in the beginning and 117.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2020-02-10 19:57:35,677 INFO L168 Benchmark]: Boogie Preprocessor took 46.21 ms. Allocated memory is still 144.2 MB. Free memory was 117.1 MB in the beginning and 115.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-02-10 19:57:35,678 INFO L168 Benchmark]: RCFGBuilder took 435.75 ms. Allocated memory is still 144.2 MB. Free memory was 115.7 MB in the beginning and 94.9 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2020-02-10 19:57:35,679 INFO L168 Benchmark]: TraceAbstraction took 846488.95 ms. Allocated memory was 144.2 MB in the beginning and 4.2 GB in the end (delta: 4.1 GB). Free memory was 94.5 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 4.1 GB. Max. memory is 7.1 GB. [2020-02-10 19:57:35,684 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.49 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 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 39.72 ms. Allocated memory is still 144.2 MB. Free memory was 118.8 MB in the beginning and 117.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.21 ms. Allocated memory is still 144.2 MB. Free memory was 117.1 MB in the beginning and 115.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 435.75 ms. Allocated memory is still 144.2 MB. Free memory was 115.7 MB in the beginning and 94.9 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 846488.95 ms. Allocated memory was 144.2 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 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 4.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.petrinetlbe.PetriNetLargeBlockEncoding.generateTimeoutMessage(PetriNetLargeBlockEncoding.java:247) RESULT: Ultimate could not prove your program: Toolchain returned no result. Completed graceful shutdown