/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/automizer/concurrent/VMCAI2021_FA.epf -i ../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=29.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b665a9c [2020-09-29 13:35:24,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-29 13:35:24,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-29 13:35:24,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-29 13:35:24,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-29 13:35:24,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-29 13:35:24,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-29 13:35:24,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-29 13:35:24,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-29 13:35:24,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-29 13:35:24,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-29 13:35:24,079 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-29 13:35:24,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-29 13:35:24,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-29 13:35:24,085 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-29 13:35:24,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-29 13:35:24,090 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-29 13:35:24,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-29 13:35:24,093 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-29 13:35:24,104 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-29 13:35:24,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-29 13:35:24,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-29 13:35:24,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-29 13:35:24,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-29 13:35:24,111 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-29 13:35:24,111 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-29 13:35:24,111 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-29 13:35:24,112 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-29 13:35:24,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-29 13:35:24,113 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-29 13:35:24,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-29 13:35:24,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-29 13:35:24,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-29 13:35:24,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-29 13:35:24,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-29 13:35:24,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-29 13:35:24,118 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-29 13:35:24,118 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-29 13:35:24,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-29 13:35:24,120 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-29 13:35:24,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-29 13:35:24,123 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_FA.epf [2020-09-29 13:35:24,163 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-29 13:35:24,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-29 13:35:24,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-29 13:35:24,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-29 13:35:24,166 INFO L138 SettingsManager]: * Use SBE=true [2020-09-29 13:35:24,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-29 13:35:24,166 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-29 13:35:24,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-29 13:35:24,166 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-29 13:35:24,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-29 13:35:24,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-29 13:35:24,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-29 13:35:24,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-29 13:35:24,169 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-29 13:35:24,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-29 13:35:24,169 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-29 13:35:24,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-29 13:35:24,170 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-29 13:35:24,170 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-29 13:35:24,170 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-29 13:35:24,170 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-29 13:35:24,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-29 13:35:24,171 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-29 13:35:24,171 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-29 13:35:24,171 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-29 13:35:24,172 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-09-29 13:35:24,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-29 13:35:24,172 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-09-29 13:35:24,172 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-29 13:35:24,172 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-29 13:35:24,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-29 13:35:24,618 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-29 13:35:24,624 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-29 13:35:24,625 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-09-29 13:35:24,628 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-09-29 13:35:24,629 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=29.bpl [2020-09-29 13:35:24,630 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=29.bpl' [2020-09-29 13:35:24,692 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-29 13:35:24,698 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-29 13:35:24,699 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-29 13:35:24,699 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-29 13:35:24,699 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-29 13:35:24,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:35:24" (1/1) ... [2020-09-29 13:35:24,733 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:35:24" (1/1) ... [2020-09-29 13:35:24,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-29 13:35:24,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-29 13:35:24,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-29 13:35:24,750 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-29 13:35:24,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:35:24" (1/1) ... [2020-09-29 13:35:24,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:35:24" (1/1) ... [2020-09-29 13:35:24,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:35:24" (1/1) ... [2020-09-29 13:35:24,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:35:24" (1/1) ... [2020-09-29 13:35:24,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:35:24" (1/1) ... [2020-09-29 13:35:24,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:35:24" (1/1) ... [2020-09-29 13:35:24,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:35:24" (1/1) ... [2020-09-29 13:35:24,831 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-29 13:35:24,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-29 13:35:24,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-29 13:35:24,832 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-29 13:35:24,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:35:24" (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 13:35:24,928 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-09-29 13:35:24,929 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-09-29 13:35:24,930 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-09-29 13:35:24,931 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-09-29 13:35:24,931 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-09-29 13:35:24,931 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-09-29 13:35:24,931 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-09-29 13:35:24,932 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-09-29 13:35:24,932 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-09-29 13:35:24,932 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-09-29 13:35:24,932 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-09-29 13:35:24,932 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-09-29 13:35:24,933 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-09-29 13:35:24,933 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-09-29 13:35:24,933 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-09-29 13:35:24,933 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-09-29 13:35:24,933 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-09-29 13:35:24,933 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-09-29 13:35:24,934 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-09-29 13:35:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-09-29 13:35:24,934 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-09-29 13:35:24,934 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-09-29 13:35:24,935 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-09-29 13:35:24,935 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-09-29 13:35:24,942 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-09-29 13:35:24,943 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-09-29 13:35:24,943 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-09-29 13:35:24,944 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-09-29 13:35:24,945 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-09-29 13:35:24,945 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-09-29 13:35:24,945 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-09-29 13:35:24,945 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-09-29 13:35:24,945 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-09-29 13:35:24,946 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-09-29 13:35:24,946 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-09-29 13:35:24,947 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-09-29 13:35:24,947 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-09-29 13:35:24,947 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-09-29 13:35:24,947 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-09-29 13:35:24,948 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-09-29 13:35:24,948 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-09-29 13:35:24,948 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-09-29 13:35:24,948 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-09-29 13:35:24,949 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-09-29 13:35:24,949 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-09-29 13:35:24,949 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-09-29 13:35:24,949 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-09-29 13:35:24,949 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-09-29 13:35:24,950 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-09-29 13:35:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-09-29 13:35:24,950 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-09-29 13:35:24,950 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-09-29 13:35:24,951 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-09-29 13:35:24,951 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-09-29 13:35:24,951 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-09-29 13:35:24,951 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-09-29 13:35:24,951 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-09-29 13:35:24,952 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-09-29 13:35:24,952 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-09-29 13:35:24,952 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-09-29 13:35:24,953 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-09-29 13:35:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-09-29 13:35:24,953 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-09-29 13:35:24,953 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-09-29 13:35:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-09-29 13:35:24,954 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-09-29 13:35:24,955 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-09-29 13:35:24,955 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-09-29 13:35:24,955 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-09-29 13:35:24,955 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-09-29 13:35:24,955 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-09-29 13:35:24,956 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-09-29 13:35:24,956 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-09-29 13:35:24,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-29 13:35:24,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-29 13:35:24,957 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-09-29 13:35:24,957 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-09-29 13:35:24,957 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-09-29 13:35:24,957 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-09-29 13:35:24,957 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-09-29 13:35:24,958 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-09-29 13:35:24,958 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-09-29 13:35:24,958 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-09-29 13:35:24,958 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-09-29 13:35:24,959 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-09-29 13:35:24,960 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-09-29 13:35:24,960 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-09-29 13:35:24,960 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-09-29 13:35:24,960 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-09-29 13:35:24,960 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-09-29 13:35:24,962 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 13:35:25,339 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-29 13:35:25,339 INFO L298 CfgBuilder]: Removed 29 assume(true) statements. [2020-09-29 13:35:25,345 INFO L202 PluginConnector]: Adding new model example2_N=29.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 01:35:25 BoogieIcfgContainer [2020-09-29 13:35:25,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-29 13:35:25,347 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-29 13:35:25,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-29 13:35:25,351 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-29 13:35:25,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:35:24" (1/2) ... [2020-09-29 13:35:25,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@656fd9ae and model type example2_N=29.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 01:35:25, skipping insertion in model container [2020-09-29 13:35:25,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=29.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 01:35:25" (2/2) ... [2020-09-29 13:35:25,355 INFO L109 eAbstractionObserver]: Analyzing ICFG example2_N=29.bpl [2020-09-29 13:35:25,367 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-29 13:35:25,368 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-29 13:35:25,378 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-29 13:35:25,379 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-29 13:35:25,971 INFO L251 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2020-09-29 13:35:26,000 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-29 13:35:26,001 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-29 13:35:26,001 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-29 13:35:26,001 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-29 13:35:26,001 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-29 13:35:26,001 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-29 13:35:26,002 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-29 13:35:26,002 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-29 13:35:26,033 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 208 places, 149 transitions, 530 flow Received shutdown request... [2020-09-29 13:48:20,713 WARN L544 AbstractCegarLoop]: Verification canceled [2020-09-29 13:48:20,719 WARN L228 ceAbstractionStarter]: Timeout [2020-09-29 13:48:20,719 INFO L202 PluginConnector]: Adding new model example2_N=29.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 01:48:20 BasicIcfg [2020-09-29 13:48:20,719 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-29 13:48:20,728 INFO L168 Benchmark]: Toolchain (without parser) took 776028.05 ms. Allocated memory was 251.1 MB in the beginning and 11.0 GB in the end (delta: 10.8 GB). Free memory was 226.7 MB in the beginning and 3.2 GB in the end (delta: -2.9 GB). Peak memory consumption was 10.5 GB. Max. memory is 14.2 GB. [2020-09-29 13:48:20,730 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.50 ms. Allocated memory is still 251.1 MB. Free memory is still 228.3 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-09-29 13:48:20,733 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.97 ms. Allocated memory is still 251.1 MB. Free memory was 226.7 MB in the beginning and 224.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-09-29 13:48:20,734 INFO L168 Benchmark]: Boogie Preprocessor took 82.23 ms. Allocated memory is still 251.1 MB. Free memory was 224.1 MB in the beginning and 222.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-09-29 13:48:20,736 INFO L168 Benchmark]: RCFGBuilder took 513.91 ms. Allocated memory is still 251.1 MB. Free memory was 222.5 MB in the beginning and 197.0 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 14.2 GB. [2020-09-29 13:48:20,738 INFO L168 Benchmark]: TraceAbstraction took 775372.19 ms. Allocated memory was 251.1 MB in the beginning and 11.0 GB in the end (delta: 10.8 GB). Free memory was 196.2 MB in the beginning and 3.2 GB in the end (delta: -3.0 GB). Peak memory consumption was 10.4 GB. Max. memory is 14.2 GB. [2020-09-29 13:48:20,746 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 0.50 ms. Allocated memory is still 251.1 MB. Free memory is still 228.3 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 49.97 ms. Allocated memory is still 251.1 MB. Free memory was 226.7 MB in the beginning and 224.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 82.23 ms. Allocated memory is still 251.1 MB. Free memory was 224.1 MB in the beginning and 222.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * RCFGBuilder took 513.91 ms. Allocated memory is still 251.1 MB. Free memory was 222.5 MB in the beginning and 197.0 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 14.2 GB. * TraceAbstraction took 775372.19 ms. Allocated memory was 251.1 MB in the beginning and 11.0 GB in the end (delta: 10.8 GB). Free memory was 196.2 MB in the beginning and 3.2 GB in the end (delta: -3.0 GB). Peak memory consumption was 10.4 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 68]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 68). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 208 places, 149 transitions, 530 flow. Already constructed 837462 states. Currently 319883 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 121 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 774.7s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 774.7s, 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