/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=25.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 13:33:34,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 13:33:34,953 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 13:33:34,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 13:33:34,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 13:33:34,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 13:33:34,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 13:33:34,980 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 13:33:34,981 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 13:33:34,982 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 13:33:34,983 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 13:33:34,984 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 13:33:34,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 13:33:34,985 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 13:33:34,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 13:33:34,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 13:33:34,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 13:33:34,989 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 13:33:34,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 13:33:34,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 13:33:34,993 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 13:33:34,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 13:33:34,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 13:33:34,996 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 13:33:34,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 13:33:34,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 13:33:34,999 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 13:33:35,000 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 13:33:35,001 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 13:33:35,002 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 13:33:35,002 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 13:33:35,003 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 13:33:35,003 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 13:33:35,004 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 13:33:35,005 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 13:33:35,005 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 13:33:35,006 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 13:33:35,006 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 13:33:35,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 13:33:35,007 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 13:33:35,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 13:33:35,009 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-08 13:33:35,030 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 13:33:35,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 13:33:35,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 13:33:35,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 13:33:35,032 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 13:33:35,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 13:33:35,032 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 13:33:35,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 13:33:35,033 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 13:33:35,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 13:33:35,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 13:33:35,033 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 13:33:35,033 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 13:33:35,034 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 13:33:35,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 13:33:35,034 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 13:33:35,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 13:33:35,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 13:33:35,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 13:33:35,035 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 13:33:35,035 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 13:33:35,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 13:33:35,035 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 13:33:35,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 13:33:35,036 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 13:33:35,036 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-08 13:33:35,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 13:33:35,036 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 13:33:35,037 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-08 13:33:35,037 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 13:33:35,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 13:33:35,334 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 13:33:35,337 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 13:33:35,338 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 13:33:35,339 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 13:33:35,340 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=25.bpl [2020-10-08 13:33:35,340 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=25.bpl' [2020-10-08 13:33:35,389 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 13:33:35,391 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 13:33:35,391 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 13:33:35,391 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 13:33:35,392 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 13:33:35,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:33:35" (1/1) ... [2020-10-08 13:33:35,419 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:33:35" (1/1) ... [2020-10-08 13:33:35,438 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 13:33:35,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 13:33:35,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 13:33:35,439 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 13:33:35,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:33:35" (1/1) ... [2020-10-08 13:33:35,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:33:35" (1/1) ... [2020-10-08 13:33:35,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:33:35" (1/1) ... [2020-10-08 13:33:35,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:33:35" (1/1) ... [2020-10-08 13:33:35,461 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:33:35" (1/1) ... [2020-10-08 13:33:35,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:33:35" (1/1) ... [2020-10-08 13:33:35,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:33:35" (1/1) ... [2020-10-08 13:33:35,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 13:33:35,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 13:33:35,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 13:33:35,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 13:33:35,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:33:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 13:33:35,548 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-08 13:33:35,548 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-08 13:33:35,548 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-08 13:33:35,549 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-08 13:33:35,549 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-08 13:33:35,549 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-08 13:33:35,549 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-08 13:33:35,549 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-08 13:33:35,550 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-08 13:33:35,550 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-08 13:33:35,550 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-08 13:33:35,550 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-08 13:33:35,550 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-08 13:33:35,551 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-08 13:33:35,551 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-08 13:33:35,551 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-08 13:33:35,551 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-08 13:33:35,551 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-08 13:33:35,552 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-08 13:33:35,552 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-08 13:33:35,552 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-08 13:33:35,552 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-08 13:33:35,552 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-08 13:33:35,553 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-08 13:33:35,553 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-08 13:33:35,553 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-08 13:33:35,553 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-08 13:33:35,553 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 13:33:35,553 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 13:33:35,554 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 13:33:35,554 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 13:33:35,554 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 13:33:35,554 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 13:33:35,554 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 13:33:35,555 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 13:33:35,555 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 13:33:35,555 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 13:33:35,555 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 13:33:35,555 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 13:33:35,555 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 13:33:35,556 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 13:33:35,556 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 13:33:35,556 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 13:33:35,556 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 13:33:35,556 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 13:33:35,556 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 13:33:35,557 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 13:33:35,557 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 13:33:35,557 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 13:33:35,557 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 13:33:35,557 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 13:33:35,557 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 13:33:35,558 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 13:33:35,558 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 13:33:35,558 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 13:33:35,558 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 13:33:35,558 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 13:33:35,558 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 13:33:35,559 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 13:33:35,559 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 13:33:35,559 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 13:33:35,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 13:33:35,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 13:33:35,560 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-08 13:33:35,560 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-08 13:33:35,560 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-08 13:33:35,560 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 13:33:35,560 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 13:33:35,560 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 13:33:35,561 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 13:33:35,561 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 13:33:35,561 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 13:33:35,561 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 13:33:35,561 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 13:33:35,561 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 13:33:35,562 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 13:33:35,562 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 13:33:35,562 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 13:33:35,564 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-08 13:33:35,892 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 13:33:35,892 INFO L298 CfgBuilder]: Removed 25 assume(true) statements. [2020-10-08 13:33:35,895 INFO L202 PluginConnector]: Adding new model example2_N=25.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:33:35 BoogieIcfgContainer [2020-10-08 13:33:35,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 13:33:35,896 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 13:33:35,896 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 13:33:35,900 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 13:33:35,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:33:35" (1/2) ... [2020-10-08 13:33:35,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a587720 and model type example2_N=25.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 01:33:35, skipping insertion in model container [2020-10-08 13:33:35,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=25.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:33:35" (2/2) ... [2020-10-08 13:33:35,903 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=25.bpl [2020-10-08 13:33:35,916 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 13:33:35,916 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 13:33:35,924 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 13:33:35,925 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 13:33:36,437 INFO L253 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2020-10-08 13:33:36,460 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 13:33:36,460 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 13:33:36,460 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 13:33:36,461 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 13:33:36,461 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 13:33:36,461 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 13:33:36,461 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 13:33:36,461 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 13:33:36,482 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-08 13:33:36,485 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 205 places, 154 transitions, 508 flow [2020-10-08 13:33:36,488 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 205 places, 154 transitions, 508 flow [2020-10-08 13:33:36,490 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 205 places, 154 transitions, 508 flow [2020-10-08 13:33:36,607 INFO L129 PetriNetUnfolder]: 25/129 cut-off events. [2020-10-08 13:33:36,607 INFO L130 PetriNetUnfolder]: For 25/25 co-relation queries the response was YES. [2020-10-08 13:33:36,623 INFO L80 FinitePrefix]: Finished finitePrefix Result has 230 conditions, 129 events. 25/129 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 191 event pairs, 0 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 147. Up to 2 conditions per place. [2020-10-08 13:33:36,635 INFO L117 LiptonReduction]: Number of co-enabled transitions 9000 [2020-10-08 13:33:37,513 INFO L132 LiptonReduction]: Checked pairs total: 14136 [2020-10-08 13:33:37,513 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-08 13:33:37,520 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 203 places, 152 transitions, 504 flow Received shutdown request... [2020-10-08 13:47:02,818 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 13:47:02,822 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 13:47:02,823 INFO L202 PluginConnector]: Adding new model example2_N=25.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 01:47:02 BasicIcfg [2020-10-08 13:47:02,823 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 13:47:02,829 INFO L168 Benchmark]: Toolchain (without parser) took 807434.28 ms. Allocated memory was 248.5 MB in the beginning and 6.8 GB in the end (delta: 6.6 GB). Free memory was 222.4 MB in the beginning and 2.6 GB in the end (delta: -2.4 GB). Peak memory consumption was 6.1 GB. Max. memory is 14.2 GB. [2020-10-08 13:47:02,830 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 248.5 MB. Free memory is still 224.9 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 13:47:02,833 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.41 ms. Allocated memory is still 248.5 MB. Free memory is still 222.4 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 13:47:02,835 INFO L168 Benchmark]: Boogie Preprocessor took 36.73 ms. Allocated memory is still 248.5 MB. Free memory was 222.4 MB in the beginning and 219.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 13:47:02,836 INFO L168 Benchmark]: RCFGBuilder took 418.95 ms. Allocated memory is still 248.5 MB. Free memory was 219.9 MB in the beginning and 192.1 MB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 14.2 GB. [2020-10-08 13:47:02,839 INFO L168 Benchmark]: TraceAbstraction took 806926.89 ms. Allocated memory was 248.5 MB in the beginning and 6.8 GB in the end (delta: 6.6 GB). Free memory was 192.1 MB in the beginning and 2.6 GB in the end (delta: -2.4 GB). Peak memory consumption was 6.1 GB. Max. memory is 14.2 GB. [2020-10-08 13:47:02,847 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 0.22 ms. Allocated memory is still 248.5 MB. Free memory is still 224.9 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 47.41 ms. Allocated memory is still 248.5 MB. Free memory is still 222.4 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Preprocessor took 36.73 ms. Allocated memory is still 248.5 MB. Free memory was 222.4 MB in the beginning and 219.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 418.95 ms. Allocated memory is still 248.5 MB. Free memory was 219.9 MB in the beginning and 192.1 MB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 14.2 GB. * TraceAbstraction took 806926.89 ms. Allocated memory was 248.5 MB in the beginning and 6.8 GB in the end (delta: 6.6 GB). Free memory was 192.1 MB in the beginning and 2.6 GB in the end (delta: -2.4 GB). Peak memory consumption was 6.1 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 2473 VarBasedMoverChecksPositive, 188 VarBasedMoverChecksNegative, 97 SemBasedMoverChecksPositive, 91 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 2562 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.0s, 205 PlacesBefore, 203 PlacesAfterwards, 154 TransitionsBefore, 152 TransitionsAfterwards, 9000 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 14136 MoverChecksTotal - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 60). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 203 places, 152 transitions, 504 flow. Already constructed 775425 states. Currently 387732 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 130 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 806.3s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 806.3s, 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