/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_PN.epf -i ../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=32.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b665a9c [2020-09-29 14:39:07,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-29 14:39:07,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-29 14:39:07,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-29 14:39:07,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-29 14:39:07,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-29 14:39:07,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-29 14:39:07,529 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-29 14:39:07,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-29 14:39:07,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-29 14:39:07,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-29 14:39:07,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-29 14:39:07,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-29 14:39:07,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-29 14:39:07,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-29 14:39:07,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-29 14:39:07,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-29 14:39:07,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-29 14:39:07,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-29 14:39:07,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-29 14:39:07,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-29 14:39:07,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-29 14:39:07,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-29 14:39:07,549 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-29 14:39:07,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-29 14:39:07,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-29 14:39:07,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-29 14:39:07,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-29 14:39:07,554 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-29 14:39:07,555 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-29 14:39:07,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-29 14:39:07,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-29 14:39:07,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-29 14:39:07,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-29 14:39:07,560 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-29 14:39:07,560 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-29 14:39:07,561 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-29 14:39:07,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-29 14:39:07,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-29 14:39:07,562 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-29 14:39:07,563 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-29 14:39:07,564 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_PN.epf [2020-09-29 14:39:07,589 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-29 14:39:07,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-29 14:39:07,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-29 14:39:07,591 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-29 14:39:07,591 INFO L138 SettingsManager]: * Use SBE=true [2020-09-29 14:39:07,591 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-29 14:39:07,591 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-29 14:39:07,592 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-29 14:39:07,592 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-29 14:39:07,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-29 14:39:07,592 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-29 14:39:07,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-29 14:39:07,593 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-29 14:39:07,593 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-29 14:39:07,593 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-29 14:39:07,593 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-29 14:39:07,593 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-29 14:39:07,594 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-29 14:39:07,594 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-29 14:39:07,594 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-29 14:39:07,594 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-29 14:39:07,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-29 14:39:07,595 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-29 14:39:07,595 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-29 14:39:07,595 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-29 14:39:07,595 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-09-29 14:39:07,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-29 14:39:07,596 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-09-29 14:39:07,596 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-09-29 14:39:07,596 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-29 14:39:08,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-29 14:39:08,129 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-29 14:39:08,135 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-29 14:39:08,137 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-09-29 14:39:08,138 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-09-29 14:39:08,139 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=32.bpl [2020-09-29 14:39:08,142 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=32.bpl' [2020-09-29 14:39:08,210 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-29 14:39:08,218 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-29 14:39:08,219 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-29 14:39:08,219 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-29 14:39:08,219 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-29 14:39:08,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 02:39:08" (1/1) ... [2020-09-29 14:39:08,266 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 02:39:08" (1/1) ... [2020-09-29 14:39:08,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-29 14:39:08,281 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-29 14:39:08,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-29 14:39:08,281 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-29 14:39:08,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 02:39:08" (1/1) ... [2020-09-29 14:39:08,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 02:39:08" (1/1) ... [2020-09-29 14:39:08,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 02:39:08" (1/1) ... [2020-09-29 14:39:08,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 02:39:08" (1/1) ... [2020-09-29 14:39:08,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 02:39:08" (1/1) ... [2020-09-29 14:39:08,352 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 02:39:08" (1/1) ... [2020-09-29 14:39:08,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 02:39:08" (1/1) ... [2020-09-29 14:39:08,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-29 14:39:08,371 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-29 14:39:08,371 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-29 14:39:08,372 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-29 14:39:08,373 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 02:39:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-29 14:39:08,459 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-09-29 14:39:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-09-29 14:39:08,461 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-09-29 14:39:08,462 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-09-29 14:39:08,462 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-09-29 14:39:08,462 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-09-29 14:39:08,465 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-09-29 14:39:08,465 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-09-29 14:39:08,466 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-09-29 14:39:08,466 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-09-29 14:39:08,466 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-09-29 14:39:08,466 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-09-29 14:39:08,466 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-09-29 14:39:08,467 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-09-29 14:39:08,467 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-09-29 14:39:08,467 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-09-29 14:39:08,467 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-09-29 14:39:08,467 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-09-29 14:39:08,468 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-09-29 14:39:08,468 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-09-29 14:39:08,469 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-09-29 14:39:08,469 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-09-29 14:39:08,469 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-09-29 14:39:08,470 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-09-29 14:39:08,477 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-09-29 14:39:08,478 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-09-29 14:39:08,478 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-09-29 14:39:08,480 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-09-29 14:39:08,480 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-09-29 14:39:08,480 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-09-29 14:39:08,480 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-09-29 14:39:08,480 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-09-29 14:39:08,481 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-09-29 14:39:08,481 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-09-29 14:39:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-09-29 14:39:08,482 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-09-29 14:39:08,482 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-09-29 14:39:08,483 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-09-29 14:39:08,483 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-09-29 14:39:08,483 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-09-29 14:39:08,483 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-09-29 14:39:08,483 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-09-29 14:39:08,484 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-09-29 14:39:08,484 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-09-29 14:39:08,484 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-09-29 14:39:08,485 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-09-29 14:39:08,485 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-09-29 14:39:08,485 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-09-29 14:39:08,486 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-09-29 14:39:08,486 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-09-29 14:39:08,486 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-09-29 14:39:08,486 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-09-29 14:39:08,487 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-09-29 14:39:08,487 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-09-29 14:39:08,487 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-09-29 14:39:08,487 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-09-29 14:39:08,487 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-09-29 14:39:08,488 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-09-29 14:39:08,488 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-09-29 14:39:08,488 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-09-29 14:39:08,489 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-09-29 14:39:08,489 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-09-29 14:39:08,489 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-09-29 14:39:08,489 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-09-29 14:39:08,489 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-09-29 14:39:08,489 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-09-29 14:39:08,490 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-09-29 14:39:08,491 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-09-29 14:39:08,491 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-09-29 14:39:08,491 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-09-29 14:39:08,491 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-09-29 14:39:08,491 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-09-29 14:39:08,491 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-09-29 14:39:08,492 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-09-29 14:39:08,493 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-09-29 14:39:08,493 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-09-29 14:39:08,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-29 14:39:08,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-29 14:39:08,494 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-09-29 14:39:08,494 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-09-29 14:39:08,494 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-09-29 14:39:08,494 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-09-29 14:39:08,494 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-09-29 14:39:08,494 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-09-29 14:39:08,495 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-09-29 14:39:08,496 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-09-29 14:39:08,496 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-09-29 14:39:08,496 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-09-29 14:39:08,496 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-09-29 14:39:08,497 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-09-29 14:39:08,497 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-09-29 14:39:08,497 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-09-29 14:39:08,497 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-09-29 14:39:08,497 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-09-29 14:39:08,497 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-09-29 14:39:08,498 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-09-29 14:39:08,498 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-09-29 14:39:08,498 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-09-29 14:39:08,498 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-09-29 14:39:08,500 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-29 14:39:08,902 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-29 14:39:08,902 INFO L298 CfgBuilder]: Removed 32 assume(true) statements. [2020-09-29 14:39:08,907 INFO L202 PluginConnector]: Adding new model example2_N=32.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 02:39:08 BoogieIcfgContainer [2020-09-29 14:39:08,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-29 14:39:08,909 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-29 14:39:08,909 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-29 14:39:08,913 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-29 14:39:08,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 02:39:08" (1/2) ... [2020-09-29 14:39:08,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cb3adad and model type example2_N=32.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 02:39:08, skipping insertion in model container [2020-09-29 14:39:08,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 02:39:08" (2/2) ... [2020-09-29 14:39:08,917 INFO L109 eAbstractionObserver]: Analyzing ICFG example2_N=32.bpl [2020-09-29 14:39:08,929 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-29 14:39:08,943 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-29 14:39:08,951 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-29 14:39:09,581 INFO L251 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2020-09-29 14:39:09,633 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-29 14:39:09,633 INFO L376 AbstractCegarLoop]: Hoare is false [2020-09-29 14:39:09,633 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-29 14:39:09,633 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-29 14:39:09,633 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-29 14:39:09,634 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-29 14:39:09,634 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-29 14:39:09,634 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-29 14:39:09,655 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 229 places, 164 transitions, 584 flow [2020-09-29 14:39:09,789 INFO L129 PetriNetUnfolder]: 32/132 cut-off events. [2020-09-29 14:39:09,789 INFO L130 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2020-09-29 14:39:09,807 INFO L80 FinitePrefix]: Finished finitePrefix Result has 261 conditions, 132 events. 32/132 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 95 event pairs, 0 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 157. Up to 2 conditions per place. [2020-09-29 14:39:09,808 INFO L82 GeneralOperation]: Start removeDead. Operand has 229 places, 164 transitions, 584 flow [2020-09-29 14:39:09,834 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 195 places, 130 transitions, 452 flow [2020-09-29 14:39:09,926 INFO L129 PetriNetUnfolder]: 32/129 cut-off events. [2020-09-29 14:39:09,926 INFO L130 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2020-09-29 14:39:09,927 INFO L245 CegarLoopForPetriNet]: Found error trace [2020-09-29 14:39:09,929 INFO L253 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-29 14:39:09,929 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr26INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr27INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr23INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr24INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr25INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr31INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr28INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr29INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION, ULTIMATE.startErr30INUSE_VIOLATION, ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr17INUSE_VIOLATION, ULTIMATE.startErr16INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr15INUSE_VIOLATION, ULTIMATE.startErr19INUSE_VIOLATION, ULTIMATE.startErr18INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr22INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr21INUSE_VIOLATION, ULTIMATE.startErr20INUSE_VIOLATION]=== [2020-09-29 14:39:09,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-29 14:39:09,938 INFO L82 PathProgramCache]: Analyzing trace with hash 494064762, now seen corresponding path program 1 times [2020-09-29 14:39:09,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-09-29 14:39:09,959 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [104343089] [2020-09-29 14:39:09,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-09-29 14:39:10,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-29 14:39:10,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 2149 conjuncts, 2 conjunts are in the unsatisfiable core [2020-09-29 14:39:10,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-29 14:39:10,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-29 14:39:10,570 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-09-29 14:39:10,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-29 14:39:10,603 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [104343089] [2020-09-29 14:39:10,604 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-09-29 14:39:10,604 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 1 [2020-09-29 14:39:10,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843714829] [2020-09-29 14:39:10,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-29 14:39:10,621 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-09-29 14:39:10,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-29 14:39:10,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-29 14:39:10,646 INFO L503 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 164 [2020-09-29 14:39:10,649 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 130 transitions, 452 flow. Second operand 3 states. [2020-09-29 14:39:10,649 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-09-29 14:39:10,649 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 164 [2020-09-29 14:39:10,651 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-09-29 14:39:10,800 INFO L129 PetriNetUnfolder]: 32/129 cut-off events. [2020-09-29 14:39:10,800 INFO L130 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2020-09-29 14:39:10,805 INFO L80 FinitePrefix]: Finished finitePrefix Result has 292 conditions, 129 events. 32/129 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 100 event pairs, 0 based on Foata normal form. 1/130 useless extension candidates. Maximal degree in co-relation 189. Up to 33 conditions per place. [2020-09-29 14:39:10,807 INFO L132 encePairwiseOnDemand]: 162/164 looper letters, 0 selfloop transitions, 0 changer transitions 129/129 dead transitions. [2020-09-29 14:39:10,808 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 129 transitions, 516 flow [2020-09-29 14:39:10,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-29 14:39:10,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-09-29 14:39:10,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 421 transitions. [2020-09-29 14:39:10,840 INFO L550 CegarLoopForPetriNet]: DFA transition density 0.8556910569105691 [2020-09-29 14:39:10,841 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 421 transitions. [2020-09-29 14:39:10,842 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 421 transitions. [2020-09-29 14:39:10,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-09-29 14:39:10,853 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 421 transitions. [2020-09-29 14:39:10,859 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-09-29 14:39:10,873 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-09-29 14:39:10,873 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-09-29 14:39:10,876 INFO L185 Difference]: Start difference. First operand has 195 places, 130 transitions, 452 flow. Second operand 3 states and 421 transitions. [2020-09-29 14:39:10,877 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 129 transitions, 516 flow [2020-09-29 14:39:10,887 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 129 transitions, 388 flow, removed 0 selfloop flow, removed 64 redundant places. [2020-09-29 14:39:10,890 INFO L241 Difference]: Finished difference. Result has 132 places, 0 transitions, 0 flow [2020-09-29 14:39:10,894 INFO L321 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=132, PETRI_TRANSITIONS=0} [2020-09-29 14:39:10,895 INFO L337 CegarLoopForPetriNet]: 195 programPoint places, -63 predicate places. [2020-09-29 14:39:10,895 INFO L479 AbstractCegarLoop]: Abstraction has has 132 places, 0 transitions, 0 flow [2020-09-29 14:39:10,895 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-29 14:39:11,112 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-09-29 14:39:11,120 INFO L202 PluginConnector]: Adding new model example2_N=32.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 02:39:11 BasicIcfg [2020-09-29 14:39:11,120 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-29 14:39:11,124 INFO L168 Benchmark]: Toolchain (without parser) took 2910.07 ms. Allocated memory was 180.4 MB in the beginning and 285.7 MB in the end (delta: 105.4 MB). Free memory was 158.5 MB in the beginning and 201.5 MB in the end (delta: -43.0 MB). Peak memory consumption was 62.4 MB. Max. memory is 14.2 GB. [2020-09-29 14:39:11,124 INFO L168 Benchmark]: Boogie PL CUP Parser took 1.40 ms. Allocated memory is still 180.4 MB. Free memory is still 161.0 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-09-29 14:39:11,125 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.23 ms. Allocated memory is still 180.4 MB. Free memory was 158.5 MB in the beginning and 156.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-09-29 14:39:11,126 INFO L168 Benchmark]: Boogie Preprocessor took 89.72 ms. Allocated memory is still 180.4 MB. Free memory was 156.0 MB in the beginning and 154.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 14.2 GB. [2020-09-29 14:39:11,127 INFO L168 Benchmark]: RCFGBuilder took 536.69 ms. Allocated memory is still 180.4 MB. Free memory was 154.8 MB in the beginning and 128.2 MB in the end (delta: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 14.2 GB. [2020-09-29 14:39:11,128 INFO L168 Benchmark]: TraceAbstraction took 2211.22 ms. Allocated memory was 180.4 MB in the beginning and 285.7 MB in the end (delta: 105.4 MB). Free memory was 128.2 MB in the beginning and 201.5 MB in the end (delta: -73.3 MB). Peak memory consumption was 32.1 MB. Max. memory is 14.2 GB. [2020-09-29 14:39:11,134 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 1.40 ms. Allocated memory is still 180.4 MB. Free memory is still 161.0 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 62.23 ms. Allocated memory is still 180.4 MB. Free memory was 158.5 MB in the beginning and 156.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 89.72 ms. Allocated memory is still 180.4 MB. Free memory was 156.0 MB in the beginning and 154.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 14.2 GB. * RCFGBuilder took 536.69 ms. Allocated memory is still 180.4 MB. Free memory was 154.8 MB in the beginning and 128.2 MB in the end (delta: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 14.2 GB. * TraceAbstraction took 2211.22 ms. Allocated memory was 180.4 MB in the beginning and 285.7 MB in the end (delta: 105.4 MB). Free memory was 128.2 MB in the beginning and 201.5 MB in the end (delta: -73.3 MB). Peak memory consumption was 32.1 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 74]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 33 procedures, 133 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 32 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 194 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=452occurred in iteration=0, 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: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 56454 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2149 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...