/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=55.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-50b6972 [2020-10-06 19:43:42,362 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 19:43:42,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 19:43:42,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 19:43:42,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 19:43:42,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 19:43:42,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 19:43:42,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 19:43:42,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 19:43:42,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 19:43:42,431 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 19:43:42,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 19:43:42,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 19:43:42,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 19:43:42,439 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 19:43:42,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 19:43:42,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 19:43:42,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 19:43:42,445 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 19:43:42,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 19:43:42,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 19:43:42,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 19:43:42,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 19:43:42,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 19:43:42,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 19:43:42,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 19:43:42,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 19:43:42,465 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 19:43:42,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 19:43:42,466 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 19:43:42,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 19:43:42,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 19:43:42,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 19:43:42,469 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 19:43:42,471 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 19:43:42,471 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 19:43:42,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 19:43:42,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 19:43:42,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 19:43:42,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 19:43:42,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 19:43:42,475 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 19:43:42,511 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 19:43:42,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 19:43:42,513 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 19:43:42,513 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 19:43:42,514 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 19:43:42,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 19:43:42,514 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 19:43:42,514 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 19:43:42,514 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 19:43:42,515 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 19:43:42,515 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 19:43:42,516 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 19:43:42,516 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 19:43:42,516 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 19:43:42,516 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 19:43:42,517 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 19:43:42,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 19:43:42,517 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 19:43:42,517 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 19:43:42,517 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 19:43:42,518 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 19:43:42,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 19:43:42,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 19:43:42,518 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-06 19:43:42,518 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 19:43:42,519 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 19:43:42,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 19:43:42,519 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 19:43:42,520 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-06 19:43:42,520 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-06 19:43:42,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 19:43:42,802 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 19:43:42,806 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 19:43:42,807 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-06 19:43:42,808 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-06 19:43:42,809 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=55.bpl [2020-10-06 19:43:42,809 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=55.bpl' [2020-10-06 19:43:42,875 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 19:43:42,877 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-06 19:43:42,878 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 19:43:42,878 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 19:43:42,878 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 19:43:42,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=55.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:43:42" (1/1) ... [2020-10-06 19:43:42,910 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=55.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:43:42" (1/1) ... [2020-10-06 19:43:42,920 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 19:43:42,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 19:43:42,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 19:43:42,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 19:43:42,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=55.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:43:42" (1/1) ... [2020-10-06 19:43:42,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=55.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:43:42" (1/1) ... [2020-10-06 19:43:42,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=55.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:43:42" (1/1) ... [2020-10-06 19:43:42,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=55.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:43:42" (1/1) ... [2020-10-06 19:43:42,955 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=55.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:43:42" (1/1) ... [2020-10-06 19:43:42,969 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=55.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:43:42" (1/1) ... [2020-10-06 19:43:42,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=55.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:43:42" (1/1) ... [2020-10-06 19:43:42,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 19:43:42,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 19:43:42,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 19:43:42,981 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 19:43:42,982 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=55.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:43:42" (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 19:43:43,057 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-06 19:43:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-06 19:43:43,058 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-06 19:43:43,058 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-06 19:43:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-06 19:43:43,059 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-06 19:43:43,059 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-06 19:43:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-06 19:43:43,059 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-06 19:43:43,060 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-06 19:43:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-06 19:43:43,060 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-06 19:43:43,060 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-06 19:43:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-06 19:43:43,061 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-06 19:43:43,061 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-06 19:43:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-06 19:43:43,061 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-06 19:43:43,062 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-06 19:43:43,062 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-06 19:43:43,062 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-06 19:43:43,062 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-06 19:43:43,062 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-06 19:43:43,063 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-06 19:43:43,063 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-06 19:43:43,063 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-06 19:43:43,063 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-06 19:43:43,063 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-06 19:43:43,064 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-06 19:43:43,064 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-06 19:43:43,064 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread39 given in one single declaration [2020-10-06 19:43:43,064 INFO L130 BoogieDeclarations]: Found specification of procedure thread39 [2020-10-06 19:43:43,064 INFO L138 BoogieDeclarations]: Found implementation of procedure thread39 [2020-10-06 19:43:43,065 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-06 19:43:43,065 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-06 19:43:43,065 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-06 19:43:43,065 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-06 19:43:43,065 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-06 19:43:43,066 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-06 19:43:43,066 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-06 19:43:43,066 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-06 19:43:43,066 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-06 19:43:43,066 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-06 19:43:43,067 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-06 19:43:43,067 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-06 19:43:43,067 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-06 19:43:43,067 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-06 19:43:43,068 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-06 19:43:43,068 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-06 19:43:43,068 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-06 19:43:43,068 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-06 19:43:43,068 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-06 19:43:43,069 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-06 19:43:43,069 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-06 19:43:43,069 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-06 19:43:43,069 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-06 19:43:43,069 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-06 19:43:43,070 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-06 19:43:43,070 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-06 19:43:43,070 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-06 19:43:43,070 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-06 19:43:43,070 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-06 19:43:43,071 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-06 19:43:43,071 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-10-06 19:43:43,071 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-10-06 19:43:43,071 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-10-06 19:43:43,071 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-10-06 19:43:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-10-06 19:43:43,072 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-10-06 19:43:43,072 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread38 given in one single declaration [2020-10-06 19:43:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure thread38 [2020-10-06 19:43:43,072 INFO L138 BoogieDeclarations]: Found implementation of procedure thread38 [2020-10-06 19:43:43,073 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread37 given in one single declaration [2020-10-06 19:43:43,073 INFO L130 BoogieDeclarations]: Found specification of procedure thread37 [2020-10-06 19:43:43,073 INFO L138 BoogieDeclarations]: Found implementation of procedure thread37 [2020-10-06 19:43:43,073 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-06 19:43:43,074 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-06 19:43:43,074 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-06 19:43:43,074 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-06 19:43:43,074 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-06 19:43:43,074 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-06 19:43:43,075 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-10-06 19:43:43,075 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-10-06 19:43:43,075 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-10-06 19:43:43,075 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-10-06 19:43:43,076 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-10-06 19:43:43,076 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-10-06 19:43:43,076 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread41 given in one single declaration [2020-10-06 19:43:43,076 INFO L130 BoogieDeclarations]: Found specification of procedure thread41 [2020-10-06 19:43:43,077 INFO L138 BoogieDeclarations]: Found implementation of procedure thread41 [2020-10-06 19:43:43,077 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread40 given in one single declaration [2020-10-06 19:43:43,077 INFO L130 BoogieDeclarations]: Found specification of procedure thread40 [2020-10-06 19:43:43,077 INFO L138 BoogieDeclarations]: Found implementation of procedure thread40 [2020-10-06 19:43:43,078 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread47 given in one single declaration [2020-10-06 19:43:43,078 INFO L130 BoogieDeclarations]: Found specification of procedure thread47 [2020-10-06 19:43:43,078 INFO L138 BoogieDeclarations]: Found implementation of procedure thread47 [2020-10-06 19:43:43,078 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread46 given in one single declaration [2020-10-06 19:43:43,079 INFO L130 BoogieDeclarations]: Found specification of procedure thread46 [2020-10-06 19:43:43,079 INFO L138 BoogieDeclarations]: Found implementation of procedure thread46 [2020-10-06 19:43:43,079 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread49 given in one single declaration [2020-10-06 19:43:43,079 INFO L130 BoogieDeclarations]: Found specification of procedure thread49 [2020-10-06 19:43:43,079 INFO L138 BoogieDeclarations]: Found implementation of procedure thread49 [2020-10-06 19:43:43,080 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread48 given in one single declaration [2020-10-06 19:43:43,080 INFO L130 BoogieDeclarations]: Found specification of procedure thread48 [2020-10-06 19:43:43,080 INFO L138 BoogieDeclarations]: Found implementation of procedure thread48 [2020-10-06 19:43:43,080 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread43 given in one single declaration [2020-10-06 19:43:43,080 INFO L130 BoogieDeclarations]: Found specification of procedure thread43 [2020-10-06 19:43:43,080 INFO L138 BoogieDeclarations]: Found implementation of procedure thread43 [2020-10-06 19:43:43,081 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread42 given in one single declaration [2020-10-06 19:43:43,081 INFO L130 BoogieDeclarations]: Found specification of procedure thread42 [2020-10-06 19:43:43,081 INFO L138 BoogieDeclarations]: Found implementation of procedure thread42 [2020-10-06 19:43:43,081 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread45 given in one single declaration [2020-10-06 19:43:43,081 INFO L130 BoogieDeclarations]: Found specification of procedure thread45 [2020-10-06 19:43:43,082 INFO L138 BoogieDeclarations]: Found implementation of procedure thread45 [2020-10-06 19:43:43,082 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread44 given in one single declaration [2020-10-06 19:43:43,082 INFO L130 BoogieDeclarations]: Found specification of procedure thread44 [2020-10-06 19:43:43,082 INFO L138 BoogieDeclarations]: Found implementation of procedure thread44 [2020-10-06 19:43:43,083 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-06 19:43:43,083 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-06 19:43:43,083 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-06 19:43:43,083 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-06 19:43:43,083 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-06 19:43:43,083 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-06 19:43:43,084 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-06 19:43:43,084 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-06 19:43:43,084 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-06 19:43:43,084 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread50 given in one single declaration [2020-10-06 19:43:43,084 INFO L130 BoogieDeclarations]: Found specification of procedure thread50 [2020-10-06 19:43:43,085 INFO L138 BoogieDeclarations]: Found implementation of procedure thread50 [2020-10-06 19:43:43,085 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread52 given in one single declaration [2020-10-06 19:43:43,085 INFO L130 BoogieDeclarations]: Found specification of procedure thread52 [2020-10-06 19:43:43,085 INFO L138 BoogieDeclarations]: Found implementation of procedure thread52 [2020-10-06 19:43:43,085 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread51 given in one single declaration [2020-10-06 19:43:43,086 INFO L130 BoogieDeclarations]: Found specification of procedure thread51 [2020-10-06 19:43:43,086 INFO L138 BoogieDeclarations]: Found implementation of procedure thread51 [2020-10-06 19:43:43,086 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-06 19:43:43,086 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-06 19:43:43,086 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-06 19:43:43,087 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-06 19:43:43,087 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-06 19:43:43,087 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-06 19:43:43,087 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-06 19:43:43,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 19:43:43,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 19:43:43,088 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-06 19:43:43,088 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-06 19:43:43,088 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-06 19:43:43,088 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-06 19:43:43,089 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-06 19:43:43,089 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-06 19:43:43,089 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread54 given in one single declaration [2020-10-06 19:43:43,089 INFO L130 BoogieDeclarations]: Found specification of procedure thread54 [2020-10-06 19:43:43,089 INFO L138 BoogieDeclarations]: Found implementation of procedure thread54 [2020-10-06 19:43:43,090 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-06 19:43:43,090 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-06 19:43:43,090 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-06 19:43:43,090 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread53 given in one single declaration [2020-10-06 19:43:43,090 INFO L130 BoogieDeclarations]: Found specification of procedure thread53 [2020-10-06 19:43:43,091 INFO L138 BoogieDeclarations]: Found implementation of procedure thread53 [2020-10-06 19:43:43,091 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-06 19:43:43,091 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-06 19:43:43,091 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-06 19:43:43,091 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread55 given in one single declaration [2020-10-06 19:43:43,092 INFO L130 BoogieDeclarations]: Found specification of procedure thread55 [2020-10-06 19:43:43,092 INFO L138 BoogieDeclarations]: Found implementation of procedure thread55 [2020-10-06 19:43:43,092 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-06 19:43:43,092 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-06 19:43:43,092 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-06 19:43:43,094 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 19:43:43,702 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 19:43:43,702 INFO L298 CfgBuilder]: Removed 55 assume(true) statements. [2020-10-06 19:43:43,705 INFO L202 PluginConnector]: Adding new model example2_N=55.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:43:43 BoogieIcfgContainer [2020-10-06 19:43:43,705 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 19:43:43,707 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 19:43:43,707 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 19:43:43,711 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 19:43:43,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=55.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:43:42" (1/2) ... [2020-10-06 19:43:43,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fe7775e and model type example2_N=55.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 07:43:43, skipping insertion in model container [2020-10-06 19:43:43,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=55.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:43:43" (2/2) ... [2020-10-06 19:43:43,716 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=55.bpl [2020-10-06 19:43:43,730 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 19:43:43,731 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-06 19:43:43,744 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 19:43:43,751 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 19:43:44,944 INFO L253 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2020-10-06 19:43:44,967 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-06 19:43:44,967 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-06 19:43:44,967 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-06 19:43:44,968 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-06 19:43:44,968 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 19:43:44,968 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-06 19:43:44,968 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 19:43:44,968 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 19:43:44,995 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-06 19:43:44,998 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 445 places, 334 transitions, 1108 flow [2020-10-06 19:43:45,002 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 445 places, 334 transitions, 1108 flow [2020-10-06 19:43:45,004 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 445 places, 334 transitions, 1108 flow [2020-10-06 19:43:45,206 INFO L129 PetriNetUnfolder]: 55/279 cut-off events. [2020-10-06 19:43:45,207 INFO L130 PetriNetUnfolder]: For 55/55 co-relation queries the response was YES. [2020-10-06 19:43:45,229 INFO L80 FinitePrefix]: Finished finitePrefix Result has 500 conditions, 279 events. 55/279 cut-off events. For 55/55 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 383 event pairs, 0 based on Foata normal form. 0/223 useless extension candidates. Maximal degree in co-relation 327. Up to 2 conditions per place. [2020-10-06 19:43:45,274 INFO L117 LiptonReduction]: Number of co-enabled transitions 44550 [2020-10-06 19:43:46,704 INFO L132 LiptonReduction]: Checked pairs total: 70686 [2020-10-06 19:43:46,704 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-06 19:43:46,711 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 443 places, 332 transitions, 1104 flow Received shutdown request... [2020-10-06 19:56:55,397 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-06 19:56:55,400 WARN L235 ceAbstractionStarter]: Timeout [2020-10-06 19:56:55,401 INFO L202 PluginConnector]: Adding new model example2_N=55.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 07:56:55 BasicIcfg [2020-10-06 19:56:55,401 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 19:56:55,403 INFO L168 Benchmark]: Toolchain (without parser) took 792526.26 ms. Allocated memory was 253.2 MB in the beginning and 9.7 GB in the end (delta: 9.4 GB). Free memory was 224.6 MB in the beginning and 1.9 GB in the end (delta: -1.7 GB). Peak memory consumption was 8.7 GB. Max. memory is 14.2 GB. [2020-10-06 19:56:55,410 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 253.2 MB. Free memory is still 227.1 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 19:56:55,412 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.06 ms. Allocated memory is still 253.2 MB. Free memory was 224.6 MB in the beginning and 222.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 19:56:55,413 INFO L168 Benchmark]: Boogie Preprocessor took 59.64 ms. Allocated memory is still 253.2 MB. Free memory was 222.1 MB in the beginning and 219.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 19:56:55,414 INFO L168 Benchmark]: RCFGBuilder took 724.14 ms. Allocated memory is still 253.2 MB. Free memory was 219.5 MB in the beginning and 171.7 MB in the end (delta: 47.9 MB). Peak memory consumption was 47.9 MB. Max. memory is 14.2 GB. [2020-10-06 19:56:55,415 INFO L168 Benchmark]: TraceAbstraction took 791693.97 ms. Allocated memory was 253.2 MB in the beginning and 9.7 GB in the end (delta: 9.4 GB). Free memory was 171.7 MB in the beginning and 1.9 GB in the end (delta: -1.7 GB). Peak memory consumption was 8.6 GB. Max. memory is 14.2 GB. [2020-10-06 19:56:55,419 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 0.18 ms. Allocated memory is still 253.2 MB. Free memory is still 227.1 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 43.06 ms. Allocated memory is still 253.2 MB. Free memory was 224.6 MB in the beginning and 222.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 59.64 ms. Allocated memory is still 253.2 MB. Free memory was 222.1 MB in the beginning and 219.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 724.14 ms. Allocated memory is still 253.2 MB. Free memory was 219.5 MB in the beginning and 171.7 MB in the end (delta: 47.9 MB). Peak memory consumption was 47.9 MB. Max. memory is 14.2 GB. * TraceAbstraction took 791693.97 ms. Allocated memory was 253.2 MB in the beginning and 9.7 GB in the end (delta: 9.4 GB). Free memory was 171.7 MB in the beginning and 1.9 GB in the end (delta: -1.7 GB). Peak memory consumption was 8.6 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 12801 VarBasedMoverChecksPositive, 378 VarBasedMoverChecksNegative, 217 SemBasedMoverChecksPositive, 161 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.1s, 12960 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.7s, 445 PlacesBefore, 443 PlacesAfterwards, 334 TransitionsBefore, 332 TransitionsAfterwards, 44550 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 70686 MoverChecksTotal - TimeoutResultAtElement [Line: 120]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 120). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 443 places, 332 transitions, 1104 flow. Already constructed 925934 states. Currently 462985 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 56 procedures, 280 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 790.4s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 790.4s, 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