/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/VMCAI2021/generated/example2_N=21.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b665a9c [2020-09-29 10:29:59,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-29 10:29:59,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-29 10:29:59,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-29 10:29:59,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-29 10:29:59,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-29 10:29:59,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-29 10:30:00,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-29 10:30:00,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-29 10:30:00,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-29 10:30:00,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-29 10:30:00,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-29 10:30:00,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-29 10:30:00,014 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-29 10:30:00,016 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-29 10:30:00,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-29 10:30:00,020 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-29 10:30:00,021 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-29 10:30:00,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-29 10:30:00,031 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-29 10:30:00,033 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-29 10:30:00,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-29 10:30:00,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-29 10:30:00,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-29 10:30:00,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-29 10:30:00,055 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-29 10:30:00,055 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-29 10:30:00,056 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-29 10:30:00,057 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-29 10:30:00,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-29 10:30:00,061 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-29 10:30:00,062 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-29 10:30:00,063 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-29 10:30:00,064 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-29 10:30:00,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-29 10:30:00,066 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-29 10:30:00,067 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-29 10:30:00,067 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-29 10:30:00,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-29 10:30:00,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-29 10:30:00,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-29 10:30:00,071 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 [2020-09-29 10:30:00,114 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-29 10:30:00,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-29 10:30:00,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-29 10:30:00,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-29 10:30:00,118 INFO L138 SettingsManager]: * Use SBE=true [2020-09-29 10:30:00,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-29 10:30:00,118 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-29 10:30:00,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-29 10:30:00,118 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-29 10:30:00,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-29 10:30:00,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-29 10:30:00,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-29 10:30:00,120 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-29 10:30:00,121 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-29 10:30:00,121 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-29 10:30:00,121 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-29 10:30:00,121 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-29 10:30:00,121 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-29 10:30:00,122 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-29 10:30:00,122 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-29 10:30:00,122 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-29 10:30:00,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-29 10:30:00,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-29 10:30:00,123 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-29 10:30:00,123 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-29 10:30:00,123 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-29 10:30:00,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-29 10:30:00,123 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-29 10:30:00,124 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-29 10:30:00,124 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-29 10:30:00,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-29 10:30:00,740 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-29 10:30:00,746 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-29 10:30:00,748 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-09-29 10:30:00,749 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-09-29 10:30:00,750 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=21.bpl [2020-09-29 10:30:00,751 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=21.bpl' [2020-09-29 10:30:00,822 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-29 10:30:00,830 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-29 10:30:00,830 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-29 10:30:00,831 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-29 10:30:00,831 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-29 10:30:00,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:00" (1/1) ... [2020-09-29 10:30:00,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:00" (1/1) ... [2020-09-29 10:30:00,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-29 10:30:00,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-29 10:30:00,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-29 10:30:00,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-29 10:30:00,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:00" (1/1) ... [2020-09-29 10:30:00,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:00" (1/1) ... [2020-09-29 10:30:00,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:00" (1/1) ... [2020-09-29 10:30:00,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:00" (1/1) ... [2020-09-29 10:30:00,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:00" (1/1) ... [2020-09-29 10:30:00,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:00" (1/1) ... [2020-09-29 10:30:00,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:00" (1/1) ... [2020-09-29 10:30:00,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-29 10:30:00,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-29 10:30:00,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-29 10:30:00,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-29 10:30:00,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:00" (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 [2020-09-29 10:30:01,062 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-09-29 10:30:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-09-29 10:30:01,064 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-09-29 10:30:01,064 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-09-29 10:30:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-09-29 10:30:01,065 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-09-29 10:30:01,065 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-09-29 10:30:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-09-29 10:30:01,065 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-09-29 10:30:01,066 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-09-29 10:30:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-09-29 10:30:01,066 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-09-29 10:30:01,066 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-09-29 10:30:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-09-29 10:30:01,067 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-09-29 10:30:01,067 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-09-29 10:30:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-09-29 10:30:01,067 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-09-29 10:30:01,067 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-09-29 10:30:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-09-29 10:30:01,068 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-09-29 10:30:01,069 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-09-29 10:30:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-09-29 10:30:01,070 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-09-29 10:30:01,075 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-09-29 10:30:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-09-29 10:30:01,076 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-09-29 10:30:01,077 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-09-29 10:30:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-09-29 10:30:01,077 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-09-29 10:30:01,079 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-09-29 10:30:01,080 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-09-29 10:30:01,080 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-09-29 10:30:01,081 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-09-29 10:30:01,083 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-09-29 10:30:01,083 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-09-29 10:30:01,084 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-09-29 10:30:01,084 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-09-29 10:30:01,084 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-09-29 10:30:01,084 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-09-29 10:30:01,084 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-09-29 10:30:01,085 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-09-29 10:30:01,085 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-09-29 10:30:01,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-29 10:30:01,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-29 10:30:01,086 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-09-29 10:30:01,086 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-09-29 10:30:01,086 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-09-29 10:30:01,086 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-09-29 10:30:01,086 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-09-29 10:30:01,087 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-09-29 10:30:01,087 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-09-29 10:30:01,087 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-09-29 10:30:01,087 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-09-29 10:30:01,088 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-09-29 10:30:01,088 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-09-29 10:30:01,088 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-09-29 10:30:01,088 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-09-29 10:30:01,089 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-09-29 10:30:01,089 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-09-29 10:30:01,089 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-09-29 10:30:01,090 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-09-29 10:30:01,090 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-09-29 10:30:01,090 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-09-29 10:30:01,090 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-09-29 10:30:01,091 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-09-29 10:30:01,093 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-29 10:30:01,472 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-29 10:30:01,473 INFO L298 CfgBuilder]: Removed 21 assume(true) statements. [2020-09-29 10:30:01,479 INFO L202 PluginConnector]: Adding new model example2_N=21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 10:30:01 BoogieIcfgContainer [2020-09-29 10:30:01,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-29 10:30:01,481 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-29 10:30:01,481 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-29 10:30:01,485 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-29 10:30:01,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:00" (1/2) ... [2020-09-29 10:30:01,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2028c1c1 and model type example2_N=21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 10:30:01, skipping insertion in model container [2020-09-29 10:30:01,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 10:30:01" (2/2) ... [2020-09-29 10:30:01,489 INFO L109 eAbstractionObserver]: Analyzing ICFG example2_N=21.bpl [2020-09-29 10:30:01,501 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-29 10:30:01,501 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-29 10:30:01,512 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-29 10:30:01,513 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-29 10:30:01,895 INFO L251 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2020-09-29 10:30:01,924 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-29 10:30:01,924 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-29 10:30:01,925 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-29 10:30:01,925 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-29 10:30:01,925 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-29 10:30:01,925 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-29 10:30:01,926 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-29 10:30:01,926 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-29 10:30:01,949 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 109 transitions, 386 flow [2020-09-29 10:30:01,951 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 152 places, 109 transitions, 386 flow [2020-09-29 10:30:02,043 INFO L129 PetriNetUnfolder]: 21/88 cut-off events. [2020-09-29 10:30:02,043 INFO L130 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2020-09-29 10:30:02,058 INFO L80 FinitePrefix]: Finished finitePrefix Result has 173 conditions, 88 events. 21/88 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 67 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 102. Up to 2 conditions per place. [2020-09-29 10:30:02,069 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 152 places, 109 transitions, 386 flow [2020-09-29 10:30:02,121 INFO L129 PetriNetUnfolder]: 21/88 cut-off events. [2020-09-29 10:30:02,121 INFO L130 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2020-09-29 10:30:02,124 INFO L80 FinitePrefix]: Finished finitePrefix Result has 173 conditions, 88 events. 21/88 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 67 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 102. Up to 2 conditions per place. [2020-09-29 10:30:02,127 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 3360 [2020-09-29 10:30:02,129 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-29 10:30:02,242 INFO L206 etLargeBlockEncoding]: Checked pairs total: 0 [2020-09-29 10:30:02,242 INFO L214 etLargeBlockEncoding]: Total number of compositions: 1 [2020-09-29 10:30:02,247 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 151 places, 108 transitions, 384 flow Received shutdown request... [2020-09-29 10:43:20,089 WARN L544 AbstractCegarLoop]: Verification canceled [2020-09-29 10:43:20,093 WARN L228 ceAbstractionStarter]: Timeout [2020-09-29 10:43:20,093 INFO L202 PluginConnector]: Adding new model example2_N=21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 10:43:20 BasicIcfg [2020-09-29 10:43:20,093 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-29 10:43:20,098 INFO L168 Benchmark]: Toolchain (without parser) took 799271.75 ms. Allocated memory was 139.5 MB in the beginning and 6.7 GB in the end (delta: 6.6 GB). Free memory was 118.1 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 6.5 GB. Max. memory is 7.1 GB. [2020-09-29 10:43:20,099 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.62 ms. Allocated memory is still 139.5 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-09-29 10:43:20,100 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.15 ms. Allocated memory is still 139.5 MB. Free memory was 117.5 MB in the beginning and 115.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2020-09-29 10:43:20,101 INFO L168 Benchmark]: Boogie Preprocessor took 73.86 ms. Allocated memory is still 139.5 MB. Free memory was 115.7 MB in the beginning and 114.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2020-09-29 10:43:20,102 INFO L168 Benchmark]: RCFGBuilder took 515.57 ms. Allocated memory is still 139.5 MB. Free memory was 114.1 MB in the beginning and 93.6 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2020-09-29 10:43:20,103 INFO L168 Benchmark]: TraceAbstraction took 798612.64 ms. Allocated memory was 139.5 MB in the beginning and 6.7 GB in the end (delta: 6.6 GB). Free memory was 93.0 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 6.5 GB. Max. memory is 7.1 GB. [2020-09-29 10:43:20,108 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 0.62 ms. Allocated memory is still 139.5 MB. Free memory was 119.7 MB in the beginning and 119.5 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 59.15 ms. Allocated memory is still 139.5 MB. Free memory was 117.5 MB in the beginning and 115.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 73.86 ms. Allocated memory is still 139.5 MB. Free memory was 115.7 MB in the beginning and 114.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 515.57 ms. Allocated memory is still 139.5 MB. Free memory was 114.1 MB in the beginning and 93.6 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 798612.64 ms. Allocated memory was 139.5 MB in the beginning and 6.7 GB in the end (delta: 6.6 GB). Free memory was 93.0 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 6.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.2s, 152 ProgramPointsBefore, 151 ProgramPointsAfterwards, 109 TransitionsBefore, 108 TransitionsAfterwards, 3360 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 0 CheckedPairsTotal, 1 TotalNumberOfCompositions - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 52). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 151 places, 108 transitions, 384 flow. Already constructed 658256 states. Currently 245152 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 798.1s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 798.1s, 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