/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=27.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 13:42:23,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 13:42:23,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 13:42:23,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 13:42:23,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 13:42:23,920 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 13:42:23,922 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 13:42:23,924 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 13:42:23,926 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 13:42:23,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 13:42:23,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 13:42:23,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 13:42:23,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 13:42:23,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 13:42:23,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 13:42:23,939 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 13:42:23,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 13:42:23,942 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 13:42:23,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 13:42:23,948 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 13:42:23,951 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 13:42:23,952 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 13:42:23,953 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 13:42:23,954 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 13:42:23,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 13:42:23,964 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 13:42:23,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 13:42:23,965 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 13:42:23,969 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 13:42:23,970 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 13:42:23,970 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 13:42:23,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 13:42:23,972 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 13:42:23,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 13:42:23,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 13:42:23,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 13:42:23,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 13:42:23,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 13:42:23,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 13:42:23,977 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 13:42:23,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 13:42:23,979 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 [2020-10-08 13:42:24,021 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 13:42:24,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 13:42:24,023 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 13:42:24,023 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 13:42:24,023 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 13:42:24,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 13:42:24,024 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 13:42:24,024 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 13:42:24,025 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 13:42:24,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 13:42:24,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 13:42:24,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 13:42:24,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 13:42:24,027 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 13:42:24,027 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 13:42:24,027 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 13:42:24,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 13:42:24,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 13:42:24,028 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 13:42:24,028 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 13:42:24,028 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 13:42:24,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 13:42:24,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 13:42:24,029 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 13:42:24,029 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 13:42:24,029 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-08 13:42:24,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 13:42:24,030 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 13:42:24,030 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-08 13:42:24,030 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 13:42:24,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 13:42:24,347 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 13:42:24,351 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 13:42:24,352 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 13:42:24,355 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 13:42:24,356 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=27.bpl [2020-10-08 13:42:24,356 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=27.bpl' [2020-10-08 13:42:24,416 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 13:42:24,419 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 13:42:24,420 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 13:42:24,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 13:42:24,420 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 13:42:24,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:24" (1/1) ... [2020-10-08 13:42:24,465 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:24" (1/1) ... [2020-10-08 13:42:24,477 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 13:42:24,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 13:42:24,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 13:42:24,478 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 13:42:24,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:24" (1/1) ... [2020-10-08 13:42:24,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:24" (1/1) ... [2020-10-08 13:42:24,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:24" (1/1) ... [2020-10-08 13:42:24,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:24" (1/1) ... [2020-10-08 13:42:24,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:24" (1/1) ... [2020-10-08 13:42:24,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:24" (1/1) ... [2020-10-08 13:42:24,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:24" (1/1) ... [2020-10-08 13:42:24,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 13:42:24,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 13:42:24,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 13:42:24,543 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 13:42:24,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:24" (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 [2020-10-08 13:42:24,612 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-08 13:42:24,613 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-08 13:42:24,613 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-08 13:42:24,613 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-08 13:42:24,613 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-08 13:42:24,613 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-08 13:42:24,614 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-08 13:42:24,614 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-08 13:42:24,614 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-08 13:42:24,614 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-08 13:42:24,614 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-08 13:42:24,615 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-08 13:42:24,615 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-08 13:42:24,615 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-08 13:42:24,615 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-08 13:42:24,615 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-08 13:42:24,616 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-08 13:42:24,616 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-08 13:42:24,616 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-08 13:42:24,616 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-08 13:42:24,616 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-08 13:42:24,617 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-08 13:42:24,617 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-08 13:42:24,617 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-08 13:42:24,617 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-08 13:42:24,617 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-08 13:42:24,617 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-08 13:42:24,618 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-08 13:42:24,618 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-08 13:42:24,618 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-08 13:42:24,618 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-08 13:42:24,618 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-08 13:42:24,619 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-08 13:42:24,619 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 13:42:24,619 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 13:42:24,619 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 13:42:24,619 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 13:42:24,620 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 13:42:24,620 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 13:42:24,620 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 13:42:24,620 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 13:42:24,620 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 13:42:24,620 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 13:42:24,621 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 13:42:24,621 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 13:42:24,621 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 13:42:24,621 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 13:42:24,621 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 13:42:24,622 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 13:42:24,622 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 13:42:24,622 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 13:42:24,622 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 13:42:24,622 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 13:42:24,622 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 13:42:24,623 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 13:42:24,623 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 13:42:24,623 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 13:42:24,623 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 13:42:24,623 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 13:42:24,623 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 13:42:24,624 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 13:42:24,624 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 13:42:24,624 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 13:42:24,624 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 13:42:24,624 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 13:42:24,624 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 13:42:24,625 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 13:42:24,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 13:42:24,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 13:42:24,625 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-08 13:42:24,625 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-08 13:42:24,626 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-08 13:42:24,626 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 13:42:24,626 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 13:42:24,626 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 13:42:24,626 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 13:42:24,627 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 13:42:24,627 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 13:42:24,627 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 13:42:24,627 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 13:42:24,627 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 13:42:24,628 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 13:42:24,628 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 13:42:24,628 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 13:42:24,629 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-08 13:42:25,066 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 13:42:25,066 INFO L298 CfgBuilder]: Removed 27 assume(true) statements. [2020-10-08 13:42:25,070 INFO L202 PluginConnector]: Adding new model example2_N=27.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:42:25 BoogieIcfgContainer [2020-10-08 13:42:25,071 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 13:42:25,072 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 13:42:25,072 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 13:42:25,078 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 13:42:25,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:24" (1/2) ... [2020-10-08 13:42:25,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10d0a29b and model type example2_N=27.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 01:42:25, skipping insertion in model container [2020-10-08 13:42:25,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:42:25" (2/2) ... [2020-10-08 13:42:25,083 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=27.bpl [2020-10-08 13:42:25,095 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 13:42:25,096 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 13:42:25,105 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 13:42:25,106 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 13:42:25,596 INFO L253 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2020-10-08 13:42:25,619 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 13:42:25,619 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 13:42:25,619 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 13:42:25,620 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 13:42:25,620 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 13:42:25,620 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 13:42:25,620 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 13:42:25,620 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 13:42:25,641 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-08 13:42:25,644 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 221 places, 166 transitions, 548 flow [2020-10-08 13:42:25,647 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 221 places, 166 transitions, 548 flow [2020-10-08 13:42:25,649 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 221 places, 166 transitions, 548 flow [2020-10-08 13:42:25,769 INFO L129 PetriNetUnfolder]: 27/139 cut-off events. [2020-10-08 13:42:25,770 INFO L130 PetriNetUnfolder]: For 27/27 co-relation queries the response was YES. [2020-10-08 13:42:25,789 INFO L80 FinitePrefix]: Finished finitePrefix Result has 248 conditions, 139 events. 27/139 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 199 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 159. Up to 2 conditions per place. [2020-10-08 13:42:25,802 INFO L117 LiptonReduction]: Number of co-enabled transitions 10530 [2020-10-08 13:42:26,762 INFO L132 LiptonReduction]: Checked pairs total: 16562 [2020-10-08 13:42:26,762 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-08 13:42:26,768 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 219 places, 164 transitions, 544 flow Received shutdown request... [2020-10-08 13:56:07,391 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 13:56:07,404 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 13:56:07,405 INFO L202 PluginConnector]: Adding new model example2_N=27.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 01:56:07 BasicIcfg [2020-10-08 13:56:07,405 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 13:56:07,414 INFO L168 Benchmark]: Toolchain (without parser) took 822989.22 ms. Allocated memory was 252.7 MB in the beginning and 7.3 GB in the end (delta: 7.1 GB). Free memory was 226.6 MB in the beginning and 2.5 GB in the end (delta: -2.3 GB). Peak memory consumption was 6.4 GB. Max. memory is 14.2 GB. [2020-10-08 13:56:07,417 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.42 ms. Allocated memory is still 252.7 MB. Free memory is still 229.1 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 13:56:07,418 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.74 ms. Allocated memory is still 252.7 MB. Free memory is still 226.6 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 13:56:07,420 INFO L168 Benchmark]: Boogie Preprocessor took 64.76 ms. Allocated memory is still 252.7 MB. Free memory was 226.6 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. [2020-10-08 13:56:07,421 INFO L168 Benchmark]: RCFGBuilder took 527.99 ms. Allocated memory is still 252.7 MB. Free memory was 224.1 MB in the beginning and 196.4 MB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 14.2 GB. [2020-10-08 13:56:07,423 INFO L168 Benchmark]: TraceAbstraction took 822333.20 ms. Allocated memory was 252.7 MB in the beginning and 7.3 GB in the end (delta: 7.1 GB). Free memory was 196.4 MB in the beginning and 2.5 GB in the end (delta: -2.3 GB). Peak memory consumption was 6.3 GB. Max. memory is 14.2 GB. [2020-10-08 13:56:07,429 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 0.42 ms. Allocated memory is still 252.7 MB. Free memory is still 229.1 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 57.74 ms. Allocated memory is still 252.7 MB. Free memory is still 226.6 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Preprocessor took 64.76 ms. Allocated memory is still 252.7 MB. Free memory was 226.6 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. * RCFGBuilder took 527.99 ms. Allocated memory is still 252.7 MB. Free memory was 224.1 MB in the beginning and 196.4 MB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 14.2 GB. * TraceAbstraction took 822333.20 ms. Allocated memory was 252.7 MB in the beginning and 7.3 GB in the end (delta: 7.1 GB). Free memory was 196.4 MB in the beginning and 2.5 GB in the end (delta: -2.3 GB). Peak memory consumption was 6.3 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 2933 VarBasedMoverChecksPositive, 182 VarBasedMoverChecksNegative, 105 SemBasedMoverChecksPositive, 77 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.7s, 3008 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.1s, 221 PlacesBefore, 219 PlacesAfterwards, 166 TransitionsBefore, 164 TransitionsAfterwards, 10530 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 16562 MoverChecksTotal - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 64). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 219 places, 164 transitions, 544 flow. Already constructed 752313 states. Currently 376156 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 140 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 821.7s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 821.7s, 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