/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=49.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 14:23:17,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 14:23:17,355 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 14:23:17,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 14:23:17,396 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 14:23:17,406 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 14:23:17,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 14:23:17,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 14:23:17,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 14:23:17,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 14:23:17,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 14:23:17,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 14:23:17,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 14:23:17,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 14:23:17,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 14:23:17,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 14:23:17,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 14:23:17,429 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 14:23:17,430 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 14:23:17,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 14:23:17,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 14:23:17,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 14:23:17,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 14:23:17,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 14:23:17,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 14:23:17,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 14:23:17,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 14:23:17,447 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 14:23:17,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 14:23:17,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 14:23:17,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 14:23:17,450 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 14:23:17,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 14:23:17,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 14:23:17,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 14:23:17,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 14:23:17,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 14:23:17,455 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 14:23:17,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 14:23:17,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 14:23:17,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 14:23:17,458 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 14:23:17,501 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 14:23:17,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 14:23:17,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 14:23:17,503 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 14:23:17,503 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 14:23:17,503 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 14:23:17,504 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 14:23:17,504 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 14:23:17,504 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 14:23:17,504 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 14:23:17,505 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 14:23:17,506 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 14:23:17,506 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 14:23:17,506 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 14:23:17,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 14:23:17,507 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 14:23:17,507 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 14:23:17,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 14:23:17,507 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 14:23:17,507 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 14:23:17,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 14:23:17,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 14:23:17,508 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 14:23:17,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 14:23:17,508 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 14:23:17,509 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-08 14:23:17,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 14:23:17,509 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 14:23:17,509 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-08 14:23:17,509 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 14:23:17,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 14:23:17,793 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 14:23:17,797 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 14:23:17,798 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 14:23:17,799 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 14:23:17,799 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=49.bpl [2020-10-08 14:23:17,800 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=49.bpl' [2020-10-08 14:23:17,867 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 14:23:17,869 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 14:23:17,869 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 14:23:17,869 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 14:23:17,870 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 14:23:17,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=49.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:17" (1/1) ... [2020-10-08 14:23:17,898 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=49.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:17" (1/1) ... [2020-10-08 14:23:17,908 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 14:23:17,909 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 14:23:17,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 14:23:17,909 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 14:23:17,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=49.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:17" (1/1) ... [2020-10-08 14:23:17,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=49.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:17" (1/1) ... [2020-10-08 14:23:17,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=49.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:17" (1/1) ... [2020-10-08 14:23:17,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=49.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:17" (1/1) ... [2020-10-08 14:23:17,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=49.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:17" (1/1) ... [2020-10-08 14:23:17,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=49.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:17" (1/1) ... [2020-10-08 14:23:17,957 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=49.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:17" (1/1) ... [2020-10-08 14:23:17,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 14:23:17,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 14:23:17,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 14:23:17,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 14:23:17,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=49.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:17" (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 14:23:18,048 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-08 14:23:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-08 14:23:18,048 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-08 14:23:18,049 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-08 14:23:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-08 14:23:18,049 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-08 14:23:18,049 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-08 14:23:18,050 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-08 14:23:18,050 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-08 14:23:18,050 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-08 14:23:18,050 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-08 14:23:18,050 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-08 14:23:18,051 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-08 14:23:18,051 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-08 14:23:18,051 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-08 14:23:18,051 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-08 14:23:18,051 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-08 14:23:18,052 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-08 14:23:18,052 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-08 14:23:18,052 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-08 14:23:18,052 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-08 14:23:18,052 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-08 14:23:18,052 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-08 14:23:18,053 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-08 14:23:18,053 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-08 14:23:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-08 14:23:18,053 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-08 14:23:18,054 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-08 14:23:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-08 14:23:18,054 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-08 14:23:18,054 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread39 given in one single declaration [2020-10-08 14:23:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure thread39 [2020-10-08 14:23:18,054 INFO L138 BoogieDeclarations]: Found implementation of procedure thread39 [2020-10-08 14:23:18,055 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 14:23:18,055 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 14:23:18,055 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 14:23:18,055 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 14:23:18,055 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 14:23:18,055 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 14:23:18,056 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 14:23:18,056 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 14:23:18,056 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 14:23:18,056 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 14:23:18,056 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 14:23:18,056 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 14:23:18,057 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 14:23:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 14:23:18,057 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 14:23:18,057 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 14:23:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 14:23:18,058 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 14:23:18,058 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 14:23:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 14:23:18,058 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 14:23:18,058 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 14:23:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 14:23:18,059 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 14:23:18,059 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 14:23:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 14:23:18,059 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 14:23:18,060 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-08 14:23:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-08 14:23:18,060 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-08 14:23:18,060 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-10-08 14:23:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-10-08 14:23:18,060 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-10-08 14:23:18,061 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-10-08 14:23:18,061 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-10-08 14:23:18,061 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-10-08 14:23:18,061 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread38 given in one single declaration [2020-10-08 14:23:18,061 INFO L130 BoogieDeclarations]: Found specification of procedure thread38 [2020-10-08 14:23:18,061 INFO L138 BoogieDeclarations]: Found implementation of procedure thread38 [2020-10-08 14:23:18,062 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread37 given in one single declaration [2020-10-08 14:23:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure thread37 [2020-10-08 14:23:18,062 INFO L138 BoogieDeclarations]: Found implementation of procedure thread37 [2020-10-08 14:23:18,062 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-08 14:23:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-08 14:23:18,063 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-08 14:23:18,063 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-08 14:23:18,063 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-08 14:23:18,063 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-08 14:23:18,063 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-10-08 14:23:18,063 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-10-08 14:23:18,064 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-10-08 14:23:18,064 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-10-08 14:23:18,064 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-10-08 14:23:18,064 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-10-08 14:23:18,064 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread41 given in one single declaration [2020-10-08 14:23:18,064 INFO L130 BoogieDeclarations]: Found specification of procedure thread41 [2020-10-08 14:23:18,065 INFO L138 BoogieDeclarations]: Found implementation of procedure thread41 [2020-10-08 14:23:18,065 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread40 given in one single declaration [2020-10-08 14:23:18,065 INFO L130 BoogieDeclarations]: Found specification of procedure thread40 [2020-10-08 14:23:18,065 INFO L138 BoogieDeclarations]: Found implementation of procedure thread40 [2020-10-08 14:23:18,065 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread47 given in one single declaration [2020-10-08 14:23:18,066 INFO L130 BoogieDeclarations]: Found specification of procedure thread47 [2020-10-08 14:23:18,066 INFO L138 BoogieDeclarations]: Found implementation of procedure thread47 [2020-10-08 14:23:18,066 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread46 given in one single declaration [2020-10-08 14:23:18,066 INFO L130 BoogieDeclarations]: Found specification of procedure thread46 [2020-10-08 14:23:18,066 INFO L138 BoogieDeclarations]: Found implementation of procedure thread46 [2020-10-08 14:23:18,067 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread49 given in one single declaration [2020-10-08 14:23:18,067 INFO L130 BoogieDeclarations]: Found specification of procedure thread49 [2020-10-08 14:23:18,067 INFO L138 BoogieDeclarations]: Found implementation of procedure thread49 [2020-10-08 14:23:18,067 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread48 given in one single declaration [2020-10-08 14:23:18,067 INFO L130 BoogieDeclarations]: Found specification of procedure thread48 [2020-10-08 14:23:18,068 INFO L138 BoogieDeclarations]: Found implementation of procedure thread48 [2020-10-08 14:23:18,068 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread43 given in one single declaration [2020-10-08 14:23:18,068 INFO L130 BoogieDeclarations]: Found specification of procedure thread43 [2020-10-08 14:23:18,068 INFO L138 BoogieDeclarations]: Found implementation of procedure thread43 [2020-10-08 14:23:18,068 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread42 given in one single declaration [2020-10-08 14:23:18,069 INFO L130 BoogieDeclarations]: Found specification of procedure thread42 [2020-10-08 14:23:18,069 INFO L138 BoogieDeclarations]: Found implementation of procedure thread42 [2020-10-08 14:23:18,069 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread45 given in one single declaration [2020-10-08 14:23:18,069 INFO L130 BoogieDeclarations]: Found specification of procedure thread45 [2020-10-08 14:23:18,069 INFO L138 BoogieDeclarations]: Found implementation of procedure thread45 [2020-10-08 14:23:18,070 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread44 given in one single declaration [2020-10-08 14:23:18,070 INFO L130 BoogieDeclarations]: Found specification of procedure thread44 [2020-10-08 14:23:18,070 INFO L138 BoogieDeclarations]: Found implementation of procedure thread44 [2020-10-08 14:23:18,070 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-08 14:23:18,070 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-08 14:23:18,070 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-08 14:23:18,071 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-08 14:23:18,071 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-08 14:23:18,071 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-08 14:23:18,071 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-08 14:23:18,071 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-08 14:23:18,071 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-08 14:23:18,072 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 14:23:18,072 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 14:23:18,072 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 14:23:18,072 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 14:23:18,072 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 14:23:18,072 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 14:23:18,073 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 14:23:18,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 14:23:18,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 14:23:18,073 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-08 14:23:18,073 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-08 14:23:18,073 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-08 14:23:18,074 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 14:23:18,074 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 14:23:18,074 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 14:23:18,074 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 14:23:18,074 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 14:23:18,074 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 14:23:18,075 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 14:23:18,075 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 14:23:18,075 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 14:23:18,075 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 14:23:18,075 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 14:23:18,076 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 14:23:18,079 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 14:23:18,584 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 14:23:18,585 INFO L298 CfgBuilder]: Removed 49 assume(true) statements. [2020-10-08 14:23:18,587 INFO L202 PluginConnector]: Adding new model example2_N=49.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 02:23:18 BoogieIcfgContainer [2020-10-08 14:23:18,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 14:23:18,589 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 14:23:18,589 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 14:23:18,593 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 14:23:18,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=49.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:17" (1/2) ... [2020-10-08 14:23:18,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@119c6960 and model type example2_N=49.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 02:23:18, skipping insertion in model container [2020-10-08 14:23:18,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=49.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 02:23:18" (2/2) ... [2020-10-08 14:23:18,596 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=49.bpl [2020-10-08 14:23:18,609 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 14:23:18,609 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 14:23:18,616 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 14:23:18,618 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 14:23:19,667 INFO L253 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2020-10-08 14:23:19,688 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 14:23:19,688 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 14:23:19,688 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 14:23:19,688 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 14:23:19,689 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 14:23:19,689 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 14:23:19,689 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 14:23:19,689 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 14:23:19,712 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-08 14:23:19,714 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 397 places, 298 transitions, 988 flow [2020-10-08 14:23:19,717 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 397 places, 298 transitions, 988 flow [2020-10-08 14:23:19,719 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 397 places, 298 transitions, 988 flow [2020-10-08 14:23:19,924 INFO L129 PetriNetUnfolder]: 49/249 cut-off events. [2020-10-08 14:23:19,924 INFO L130 PetriNetUnfolder]: For 49/49 co-relation queries the response was YES. [2020-10-08 14:23:19,952 INFO L80 FinitePrefix]: Finished finitePrefix Result has 446 conditions, 249 events. 49/249 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 353 event pairs, 0 based on Foata normal form. 0/199 useless extension candidates. Maximal degree in co-relation 291. Up to 2 conditions per place. [2020-10-08 14:23:19,985 INFO L117 LiptonReduction]: Number of co-enabled transitions 35280 [2020-10-08 14:23:21,471 INFO L132 LiptonReduction]: Checked pairs total: 55920 [2020-10-08 14:23:21,471 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-08 14:23:21,478 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 395 places, 296 transitions, 984 flow Received shutdown request... [2020-10-08 14:36:23,307 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 14:36:23,310 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 14:36:23,310 INFO L202 PluginConnector]: Adding new model example2_N=49.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 02:36:23 BasicIcfg [2020-10-08 14:36:23,310 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 14:36:23,313 INFO L168 Benchmark]: Toolchain (without parser) took 785443.73 ms. Allocated memory was 254.3 MB in the beginning and 8.6 GB in the end (delta: 8.4 GB). Free memory was 226.5 MB in the beginning and 1.7 GB in the end (delta: -1.5 GB). Peak memory consumption was 8.8 GB. Max. memory is 14.2 GB. [2020-10-08 14:36:23,314 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 254.3 MB. Free memory is still 229.0 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 14:36:23,315 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.66 ms. Allocated memory is still 254.3 MB. Free memory was 226.5 MB in the beginning and 224.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 14:36:23,316 INFO L168 Benchmark]: Boogie Preprocessor took 54.36 ms. Allocated memory is still 254.3 MB. Free memory was 224.0 MB in the beginning and 221.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 14:36:23,318 INFO L168 Benchmark]: RCFGBuilder took 623.85 ms. Allocated memory is still 254.3 MB. Free memory was 221.4 MB in the beginning and 178.2 MB in the end (delta: 43.2 MB). Peak memory consumption was 43.2 MB. Max. memory is 14.2 GB. [2020-10-08 14:36:23,321 INFO L168 Benchmark]: TraceAbstraction took 784721.54 ms. Allocated memory was 254.3 MB in the beginning and 8.6 GB in the end (delta: 8.4 GB). Free memory was 178.2 MB in the beginning and 1.7 GB in the end (delta: -1.5 GB). Peak memory consumption was 8.7 GB. Max. memory is 14.2 GB. [2020-10-08 14:36:23,331 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 0.17 ms. Allocated memory is still 254.3 MB. Free memory is still 229.0 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 39.66 ms. Allocated memory is still 254.3 MB. Free memory was 226.5 MB in the beginning and 224.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 54.36 ms. Allocated memory is still 254.3 MB. Free memory was 224.0 MB in the beginning and 221.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 623.85 ms. Allocated memory is still 254.3 MB. Free memory was 221.4 MB in the beginning and 178.2 MB in the end (delta: 43.2 MB). Peak memory consumption was 43.2 MB. Max. memory is 14.2 GB. * TraceAbstraction took 784721.54 ms. Allocated memory was 254.3 MB in the beginning and 8.6 GB in the end (delta: 8.4 GB). Free memory was 178.2 MB in the beginning and 1.7 GB in the end (delta: -1.5 GB). Peak memory consumption was 8.7 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 9553 VarBasedMoverChecksPositive, 380 VarBasedMoverChecksNegative, 193 SemBasedMoverChecksPositive, 187 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.2s, 9738 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.7s, 397 PlacesBefore, 395 PlacesAfterwards, 298 TransitionsBefore, 296 TransitionsAfterwards, 35280 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 55920 MoverChecksTotal - TimeoutResultAtElement [Line: 108]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 108). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 395 places, 296 transitions, 984 flow. Already constructed 968364 states. Currently 484183 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 50 procedures, 250 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 783.6s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 783.6s, 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