/usr/bin/java -Xmx16000000000 -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=47.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-50b6972 [2020-10-06 19:30:14,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 19:30:14,004 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 19:30:14,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 19:30:14,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 19:30:14,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 19:30:14,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 19:30:14,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 19:30:14,047 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 19:30:14,048 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 19:30:14,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 19:30:14,052 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 19:30:14,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 19:30:14,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 19:30:14,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 19:30:14,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 19:30:14,058 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 19:30:14,059 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 19:30:14,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 19:30:14,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 19:30:14,069 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 19:30:14,071 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 19:30:14,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 19:30:14,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 19:30:14,085 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 19:30:14,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 19:30:14,086 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 19:30:14,087 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 19:30:14,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 19:30:14,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 19:30:14,091 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 19:30:14,092 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 19:30:14,093 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 19:30:14,093 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 19:30:14,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 19:30:14,096 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 19:30:14,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 19:30:14,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 19:30:14,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 19:30:14,097 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 19:30:14,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 19:30:14,099 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 [2020-10-06 19:30:14,145 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 19:30:14,145 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 19:30:14,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 19:30:14,147 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 19:30:14,147 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 19:30:14,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 19:30:14,148 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 19:30:14,148 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 19:30:14,148 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 19:30:14,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 19:30:14,148 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 19:30:14,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 19:30:14,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 19:30:14,149 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 19:30:14,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 19:30:14,150 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 19:30:14,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 19:30:14,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 19:30:14,151 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 19:30:14,151 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 19:30:14,151 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 19:30:14,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 19:30:14,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 19:30:14,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-06 19:30:14,152 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 19:30:14,152 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 19:30:14,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 19:30:14,153 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 19:30:14,153 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-06 19:30:14,153 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-06 19:30:14,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 19:30:14,442 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 19:30:14,445 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 19:30:14,447 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-06 19:30:14,447 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-06 19:30:14,448 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=47.bpl [2020-10-06 19:30:14,448 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=47.bpl' [2020-10-06 19:30:14,507 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 19:30:14,509 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-06 19:30:14,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 19:30:14,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 19:30:14,510 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 19:30:14,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:14" (1/1) ... [2020-10-06 19:30:14,540 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:14" (1/1) ... [2020-10-06 19:30:14,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 19:30:14,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 19:30:14,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 19:30:14,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 19:30:14,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:14" (1/1) ... [2020-10-06 19:30:14,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:14" (1/1) ... [2020-10-06 19:30:14,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:14" (1/1) ... [2020-10-06 19:30:14,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:14" (1/1) ... [2020-10-06 19:30:14,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:14" (1/1) ... [2020-10-06 19:30:14,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:14" (1/1) ... [2020-10-06 19:30:14,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:14" (1/1) ... [2020-10-06 19:30:14,606 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 19:30:14,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 19:30:14,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 19:30:14,610 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 19:30:14,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:14" (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 [2020-10-06 19:30:14,695 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-06 19:30:14,696 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-06 19:30:14,696 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-06 19:30:14,696 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-06 19:30:14,696 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-06 19:30:14,696 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-06 19:30:14,697 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread41 given in one single declaration [2020-10-06 19:30:14,697 INFO L130 BoogieDeclarations]: Found specification of procedure thread41 [2020-10-06 19:30:14,697 INFO L138 BoogieDeclarations]: Found implementation of procedure thread41 [2020-10-06 19:30:14,697 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread40 given in one single declaration [2020-10-06 19:30:14,697 INFO L130 BoogieDeclarations]: Found specification of procedure thread40 [2020-10-06 19:30:14,698 INFO L138 BoogieDeclarations]: Found implementation of procedure thread40 [2020-10-06 19:30:14,698 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread47 given in one single declaration [2020-10-06 19:30:14,698 INFO L130 BoogieDeclarations]: Found specification of procedure thread47 [2020-10-06 19:30:14,698 INFO L138 BoogieDeclarations]: Found implementation of procedure thread47 [2020-10-06 19:30:14,698 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-06 19:30:14,699 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-06 19:30:14,699 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-06 19:30:14,699 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread46 given in one single declaration [2020-10-06 19:30:14,699 INFO L130 BoogieDeclarations]: Found specification of procedure thread46 [2020-10-06 19:30:14,699 INFO L138 BoogieDeclarations]: Found implementation of procedure thread46 [2020-10-06 19:30:14,700 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-06 19:30:14,700 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-06 19:30:14,700 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-06 19:30:14,700 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-06 19:30:14,700 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-06 19:30:14,701 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-06 19:30:14,701 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-06 19:30:14,701 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-06 19:30:14,701 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-06 19:30:14,701 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread43 given in one single declaration [2020-10-06 19:30:14,702 INFO L130 BoogieDeclarations]: Found specification of procedure thread43 [2020-10-06 19:30:14,702 INFO L138 BoogieDeclarations]: Found implementation of procedure thread43 [2020-10-06 19:30:14,702 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-06 19:30:14,702 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-06 19:30:14,702 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-06 19:30:14,703 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread42 given in one single declaration [2020-10-06 19:30:14,703 INFO L130 BoogieDeclarations]: Found specification of procedure thread42 [2020-10-06 19:30:14,703 INFO L138 BoogieDeclarations]: Found implementation of procedure thread42 [2020-10-06 19:30:14,703 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-06 19:30:14,703 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-06 19:30:14,704 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-06 19:30:14,704 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread45 given in one single declaration [2020-10-06 19:30:14,704 INFO L130 BoogieDeclarations]: Found specification of procedure thread45 [2020-10-06 19:30:14,704 INFO L138 BoogieDeclarations]: Found implementation of procedure thread45 [2020-10-06 19:30:14,704 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-06 19:30:14,705 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-06 19:30:14,705 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-06 19:30:14,705 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread44 given in one single declaration [2020-10-06 19:30:14,705 INFO L130 BoogieDeclarations]: Found specification of procedure thread44 [2020-10-06 19:30:14,706 INFO L138 BoogieDeclarations]: Found implementation of procedure thread44 [2020-10-06 19:30:14,706 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-06 19:30:14,706 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-06 19:30:14,706 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-06 19:30:14,707 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-06 19:30:14,707 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-06 19:30:14,707 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-06 19:30:14,707 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread39 given in one single declaration [2020-10-06 19:30:14,707 INFO L130 BoogieDeclarations]: Found specification of procedure thread39 [2020-10-06 19:30:14,708 INFO L138 BoogieDeclarations]: Found implementation of procedure thread39 [2020-10-06 19:30:14,708 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-06 19:30:14,708 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-06 19:30:14,708 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-06 19:30:14,709 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-06 19:30:14,709 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-06 19:30:14,709 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-06 19:30:14,709 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-06 19:30:14,709 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-06 19:30:14,710 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-06 19:30:14,710 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-06 19:30:14,710 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-06 19:30:14,710 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-06 19:30:14,710 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-06 19:30:14,711 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-06 19:30:14,711 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-06 19:30:14,711 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-06 19:30:14,711 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-06 19:30:14,711 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-06 19:30:14,712 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-06 19:30:14,712 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-06 19:30:14,712 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-06 19:30:14,712 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-06 19:30:14,712 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-06 19:30:14,713 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-06 19:30:14,713 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-06 19:30:14,713 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-06 19:30:14,713 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-06 19:30:14,713 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-06 19:30:14,713 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-06 19:30:14,714 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-06 19:30:14,714 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-06 19:30:14,714 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-06 19:30:14,714 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-06 19:30:14,714 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-06 19:30:14,715 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-06 19:30:14,715 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-06 19:30:14,715 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-10-06 19:30:14,715 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-10-06 19:30:14,715 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-10-06 19:30:14,716 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-06 19:30:14,716 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-06 19:30:14,716 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-06 19:30:14,716 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-10-06 19:30:14,716 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-10-06 19:30:14,716 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-10-06 19:30:14,717 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-06 19:30:14,717 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-06 19:30:14,717 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-06 19:30:14,717 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-06 19:30:14,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 19:30:14,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 19:30:14,718 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread38 given in one single declaration [2020-10-06 19:30:14,718 INFO L130 BoogieDeclarations]: Found specification of procedure thread38 [2020-10-06 19:30:14,718 INFO L138 BoogieDeclarations]: Found implementation of procedure thread38 [2020-10-06 19:30:14,718 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-06 19:30:14,718 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-06 19:30:14,719 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-06 19:30:14,719 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread37 given in one single declaration [2020-10-06 19:30:14,719 INFO L130 BoogieDeclarations]: Found specification of procedure thread37 [2020-10-06 19:30:14,719 INFO L138 BoogieDeclarations]: Found implementation of procedure thread37 [2020-10-06 19:30:14,719 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-06 19:30:14,720 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-06 19:30:14,720 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-06 19:30:14,720 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-06 19:30:14,720 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-06 19:30:14,720 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-06 19:30:14,720 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-06 19:30:14,721 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-06 19:30:14,721 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-06 19:30:14,721 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-06 19:30:14,721 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-06 19:30:14,721 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-06 19:30:14,722 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-10-06 19:30:14,722 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-10-06 19:30:14,722 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-10-06 19:30:14,722 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-06 19:30:14,722 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-06 19:30:14,722 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-06 19:30:14,723 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-10-06 19:30:14,723 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-10-06 19:30:14,723 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-10-06 19:30:14,723 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-06 19:30:14,723 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-06 19:30:14,724 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-06 19:30:14,725 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-06 19:30:15,303 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 19:30:15,303 INFO L298 CfgBuilder]: Removed 47 assume(true) statements. [2020-10-06 19:30:15,306 INFO L202 PluginConnector]: Adding new model example2_N=47.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:30:15 BoogieIcfgContainer [2020-10-06 19:30:15,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 19:30:15,307 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 19:30:15,307 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 19:30:15,311 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 19:30:15,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:14" (1/2) ... [2020-10-06 19:30:15,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a7f98e0 and model type example2_N=47.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 07:30:15, skipping insertion in model container [2020-10-06 19:30:15,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=47.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:30:15" (2/2) ... [2020-10-06 19:30:15,314 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=47.bpl [2020-10-06 19:30:15,325 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 19:30:15,326 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-06 19:30:15,333 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 19:30:15,334 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 19:30:16,172 INFO L253 AbstractCegarLoop]: Starting to check reachability of 48 error locations. [2020-10-06 19:30:16,194 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-06 19:30:16,194 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-06 19:30:16,194 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-06 19:30:16,194 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-06 19:30:16,194 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 19:30:16,195 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-06 19:30:16,195 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 19:30:16,195 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 19:30:16,216 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-06 19:30:16,219 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 381 places, 286 transitions, 948 flow [2020-10-06 19:30:16,222 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 381 places, 286 transitions, 948 flow [2020-10-06 19:30:16,225 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 381 places, 286 transitions, 948 flow [2020-10-06 19:30:16,419 INFO L129 PetriNetUnfolder]: 47/239 cut-off events. [2020-10-06 19:30:16,420 INFO L130 PetriNetUnfolder]: For 47/47 co-relation queries the response was YES. [2020-10-06 19:30:16,438 INFO L80 FinitePrefix]: Finished finitePrefix Result has 428 conditions, 239 events. 47/239 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 327 event pairs, 0 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 279. Up to 2 conditions per place. [2020-10-06 19:30:16,469 INFO L117 LiptonReduction]: Number of co-enabled transitions 32430 [2020-10-06 19:30:17,497 INFO L132 LiptonReduction]: Checked pairs total: 51382 [2020-10-06 19:30:17,497 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-06 19:30:17,504 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 379 places, 284 transitions, 944 flow Received shutdown request... [2020-10-06 19:43:34,924 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-06 19:43:34,927 WARN L235 ceAbstractionStarter]: Timeout [2020-10-06 19:43:34,927 INFO L202 PluginConnector]: Adding new model example2_N=47.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 07:43:34 BasicIcfg [2020-10-06 19:43:34,927 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 19:43:34,930 INFO L168 Benchmark]: Toolchain (without parser) took 800420.20 ms. Allocated memory was 251.7 MB in the beginning and 9.2 GB in the end (delta: 9.0 GB). Free memory was 225.5 MB in the beginning and 2.2 GB in the end (delta: -1.9 GB). Peak memory consumption was 8.2 GB. Max. memory is 14.2 GB. [2020-10-06 19:43:34,930 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 251.7 MB. Free memory is still 228.0 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 19:43:34,931 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.69 ms. Allocated memory is still 251.7 MB. Free memory was 225.5 MB in the beginning and 223.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 19:43:34,932 INFO L168 Benchmark]: Boogie Preprocessor took 55.86 ms. Allocated memory is still 251.7 MB. Free memory was 223.0 MB in the beginning and 220.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 19:43:34,933 INFO L168 Benchmark]: RCFGBuilder took 696.06 ms. Allocated memory is still 251.7 MB. Free memory was 220.5 MB in the beginning and 180.1 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 14.2 GB. [2020-10-06 19:43:34,935 INFO L168 Benchmark]: TraceAbstraction took 799620.24 ms. Allocated memory was 251.7 MB in the beginning and 9.2 GB in the end (delta: 9.0 GB). Free memory was 177.6 MB in the beginning and 2.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 8.2 GB. Max. memory is 14.2 GB. [2020-10-06 19:43:34,938 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 0.19 ms. Allocated memory is still 251.7 MB. Free memory is still 228.0 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 40.69 ms. Allocated memory is still 251.7 MB. Free memory was 225.5 MB in the beginning and 223.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 55.86 ms. Allocated memory is still 251.7 MB. Free memory was 223.0 MB in the beginning and 220.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 696.06 ms. Allocated memory is still 251.7 MB. Free memory was 220.5 MB in the beginning and 180.1 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 14.2 GB. * TraceAbstraction took 799620.24 ms. Allocated memory was 251.7 MB in the beginning and 9.2 GB in the end (delta: 9.0 GB). Free memory was 177.6 MB in the beginning and 2.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 8.2 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 12151 VarBasedMoverChecksPositive, 230 VarBasedMoverChecksNegative, 139 SemBasedMoverChecksPositive, 91 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.7s, 12152 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.2s, 381 PlacesBefore, 379 PlacesAfterwards, 286 TransitionsBefore, 284 TransitionsAfterwards, 32430 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 51382 MoverChecksTotal - TimeoutResultAtElement [Line: 104]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 104). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 379 places, 284 transitions, 944 flow. Already constructed 979438 states. Currently 489722 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 48 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 798.7s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 798.7s, 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