/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=52.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-50b6972 [2020-10-06 19:30:41,918 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 19:30:41,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 19:30:41,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 19:30:41,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 19:30:41,944 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 19:30:41,946 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 19:30:41,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 19:30:41,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 19:30:41,950 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 19:30:41,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 19:30:41,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 19:30:41,952 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 19:30:41,953 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 19:30:41,954 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 19:30:41,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 19:30:41,956 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 19:30:41,957 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 19:30:41,959 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 19:30:41,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 19:30:41,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 19:30:41,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 19:30:41,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 19:30:41,965 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 19:30:41,968 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 19:30:41,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 19:30:41,968 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 19:30:41,969 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 19:30:41,970 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 19:30:41,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 19:30:41,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 19:30:41,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 19:30:41,972 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 19:30:41,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 19:30:41,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 19:30:41,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 19:30:41,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 19:30:41,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 19:30:41,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 19:30:41,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 19:30:41,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 19:30:41,977 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-06 19:30:42,000 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 19:30:42,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 19:30:42,001 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 19:30:42,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 19:30:42,002 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 19:30:42,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 19:30:42,002 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 19:30:42,002 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 19:30:42,003 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 19:30:42,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 19:30:42,003 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 19:30:42,003 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 19:30:42,003 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 19:30:42,004 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 19:30:42,004 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 19:30:42,004 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 19:30:42,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 19:30:42,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 19:30:42,005 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 19:30:42,005 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 19:30:42,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 19:30:42,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 19:30:42,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 19:30:42,006 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-06 19:30:42,006 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 19:30:42,006 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 19:30:42,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 19:30:42,006 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 19:30:42,007 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-06 19:30:42,007 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-06 19:30:42,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 19:30:42,294 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 19:30:42,297 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 19:30:42,298 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-06 19:30:42,299 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-06 19:30:42,300 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=52.bpl [2020-10-06 19:30:42,300 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=52.bpl' [2020-10-06 19:30:42,359 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 19:30:42,361 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-06 19:30:42,362 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 19:30:42,362 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 19:30:42,362 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 19:30:42,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=52.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:42" (1/1) ... [2020-10-06 19:30:42,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=52.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:42" (1/1) ... [2020-10-06 19:30:42,404 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 19:30:42,404 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 19:30:42,405 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 19:30:42,405 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 19:30:42,413 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=52.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:42" (1/1) ... [2020-10-06 19:30:42,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=52.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:42" (1/1) ... [2020-10-06 19:30:42,419 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=52.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:42" (1/1) ... [2020-10-06 19:30:42,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=52.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:42" (1/1) ... [2020-10-06 19:30:42,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=52.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:42" (1/1) ... [2020-10-06 19:30:42,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=52.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:42" (1/1) ... [2020-10-06 19:30:42,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=52.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:42" (1/1) ... [2020-10-06 19:30:42,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 19:30:42,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 19:30:42,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 19:30:42,469 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 19:30:42,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=52.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 19:30:42,548 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-06 19:30:42,549 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-06 19:30:42,549 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-06 19:30:42,549 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-06 19:30:42,549 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-06 19:30:42,550 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-06 19:30:42,550 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-06 19:30:42,550 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-06 19:30:42,550 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-06 19:30:42,550 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-06 19:30:42,550 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-06 19:30:42,551 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-06 19:30:42,551 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-06 19:30:42,551 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-06 19:30:42,551 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-06 19:30:42,551 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-06 19:30:42,552 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-06 19:30:42,552 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-06 19:30:42,552 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-06 19:30:42,552 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-06 19:30:42,552 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-06 19:30:42,552 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-06 19:30:42,553 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-06 19:30:42,553 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-06 19:30:42,553 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-06 19:30:42,553 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-06 19:30:42,553 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-06 19:30:42,554 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-06 19:30:42,554 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-06 19:30:42,554 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-06 19:30:42,554 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread39 given in one single declaration [2020-10-06 19:30:42,555 INFO L130 BoogieDeclarations]: Found specification of procedure thread39 [2020-10-06 19:30:42,555 INFO L138 BoogieDeclarations]: Found implementation of procedure thread39 [2020-10-06 19:30:42,555 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-06 19:30:42,555 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-06 19:30:42,555 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-06 19:30:42,556 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-06 19:30:42,556 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-06 19:30:42,556 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-06 19:30:42,556 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-06 19:30:42,556 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-06 19:30:42,556 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-06 19:30:42,557 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-06 19:30:42,557 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-06 19:30:42,557 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-06 19:30:42,557 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-06 19:30:42,557 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-06 19:30:42,558 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-06 19:30:42,558 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-06 19:30:42,558 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-06 19:30:42,558 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-06 19:30:42,558 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-06 19:30:42,558 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-06 19:30:42,559 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-06 19:30:42,559 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-06 19:30:42,559 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-06 19:30:42,559 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-06 19:30:42,559 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-06 19:30:42,560 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-06 19:30:42,560 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-06 19:30:42,560 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-06 19:30:42,560 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-06 19:30:42,560 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-06 19:30:42,560 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-10-06 19:30:42,561 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-10-06 19:30:42,561 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-10-06 19:30:42,561 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-10-06 19:30:42,561 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-10-06 19:30:42,561 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-10-06 19:30:42,562 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread38 given in one single declaration [2020-10-06 19:30:42,562 INFO L130 BoogieDeclarations]: Found specification of procedure thread38 [2020-10-06 19:30:42,562 INFO L138 BoogieDeclarations]: Found implementation of procedure thread38 [2020-10-06 19:30:42,562 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread37 given in one single declaration [2020-10-06 19:30:42,562 INFO L130 BoogieDeclarations]: Found specification of procedure thread37 [2020-10-06 19:30:42,562 INFO L138 BoogieDeclarations]: Found implementation of procedure thread37 [2020-10-06 19:30:42,563 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-06 19:30:42,563 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-06 19:30:42,563 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-06 19:30:42,563 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-06 19:30:42,563 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-06 19:30:42,563 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-06 19:30:42,564 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-10-06 19:30:42,564 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-10-06 19:30:42,564 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-10-06 19:30:42,564 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-10-06 19:30:42,564 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-10-06 19:30:42,564 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-10-06 19:30:42,565 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread41 given in one single declaration [2020-10-06 19:30:42,565 INFO L130 BoogieDeclarations]: Found specification of procedure thread41 [2020-10-06 19:30:42,565 INFO L138 BoogieDeclarations]: Found implementation of procedure thread41 [2020-10-06 19:30:42,565 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread40 given in one single declaration [2020-10-06 19:30:42,565 INFO L130 BoogieDeclarations]: Found specification of procedure thread40 [2020-10-06 19:30:42,566 INFO L138 BoogieDeclarations]: Found implementation of procedure thread40 [2020-10-06 19:30:42,566 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread47 given in one single declaration [2020-10-06 19:30:42,566 INFO L130 BoogieDeclarations]: Found specification of procedure thread47 [2020-10-06 19:30:42,566 INFO L138 BoogieDeclarations]: Found implementation of procedure thread47 [2020-10-06 19:30:42,566 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread46 given in one single declaration [2020-10-06 19:30:42,566 INFO L130 BoogieDeclarations]: Found specification of procedure thread46 [2020-10-06 19:30:42,567 INFO L138 BoogieDeclarations]: Found implementation of procedure thread46 [2020-10-06 19:30:42,567 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread49 given in one single declaration [2020-10-06 19:30:42,567 INFO L130 BoogieDeclarations]: Found specification of procedure thread49 [2020-10-06 19:30:42,567 INFO L138 BoogieDeclarations]: Found implementation of procedure thread49 [2020-10-06 19:30:42,567 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread48 given in one single declaration [2020-10-06 19:30:42,567 INFO L130 BoogieDeclarations]: Found specification of procedure thread48 [2020-10-06 19:30:42,568 INFO L138 BoogieDeclarations]: Found implementation of procedure thread48 [2020-10-06 19:30:42,568 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread43 given in one single declaration [2020-10-06 19:30:42,568 INFO L130 BoogieDeclarations]: Found specification of procedure thread43 [2020-10-06 19:30:42,568 INFO L138 BoogieDeclarations]: Found implementation of procedure thread43 [2020-10-06 19:30:42,568 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread42 given in one single declaration [2020-10-06 19:30:42,568 INFO L130 BoogieDeclarations]: Found specification of procedure thread42 [2020-10-06 19:30:42,569 INFO L138 BoogieDeclarations]: Found implementation of procedure thread42 [2020-10-06 19:30:42,569 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread45 given in one single declaration [2020-10-06 19:30:42,569 INFO L130 BoogieDeclarations]: Found specification of procedure thread45 [2020-10-06 19:30:42,569 INFO L138 BoogieDeclarations]: Found implementation of procedure thread45 [2020-10-06 19:30:42,569 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread44 given in one single declaration [2020-10-06 19:30:42,569 INFO L130 BoogieDeclarations]: Found specification of procedure thread44 [2020-10-06 19:30:42,570 INFO L138 BoogieDeclarations]: Found implementation of procedure thread44 [2020-10-06 19:30:42,570 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-06 19:30:42,570 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-06 19:30:42,570 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-06 19:30:42,570 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-06 19:30:42,571 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-06 19:30:42,571 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-06 19:30:42,571 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-06 19:30:42,571 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-06 19:30:42,571 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-06 19:30:42,571 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread50 given in one single declaration [2020-10-06 19:30:42,571 INFO L130 BoogieDeclarations]: Found specification of procedure thread50 [2020-10-06 19:30:42,572 INFO L138 BoogieDeclarations]: Found implementation of procedure thread50 [2020-10-06 19:30:42,572 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread52 given in one single declaration [2020-10-06 19:30:42,572 INFO L130 BoogieDeclarations]: Found specification of procedure thread52 [2020-10-06 19:30:42,572 INFO L138 BoogieDeclarations]: Found implementation of procedure thread52 [2020-10-06 19:30:42,572 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread51 given in one single declaration [2020-10-06 19:30:42,573 INFO L130 BoogieDeclarations]: Found specification of procedure thread51 [2020-10-06 19:30:42,573 INFO L138 BoogieDeclarations]: Found implementation of procedure thread51 [2020-10-06 19:30:42,573 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-06 19:30:42,573 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-06 19:30:42,573 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-06 19:30:42,574 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-06 19:30:42,574 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-06 19:30:42,574 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-06 19:30:42,574 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-06 19:30:42,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 19:30:42,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 19:30:42,575 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-06 19:30:42,575 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-06 19:30:42,575 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-06 19:30:42,575 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-06 19:30:42,576 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-06 19:30:42,576 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-06 19:30:42,576 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-06 19:30:42,576 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-06 19:30:42,576 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-06 19:30:42,577 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-06 19:30:42,577 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-06 19:30:42,577 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-06 19:30:42,577 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-06 19:30:42,577 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-06 19:30:42,577 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-06 19:30:42,579 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-06 19:30:43,206 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 19:30:43,207 INFO L298 CfgBuilder]: Removed 52 assume(true) statements. [2020-10-06 19:30:43,210 INFO L202 PluginConnector]: Adding new model example2_N=52.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:30:43 BoogieIcfgContainer [2020-10-06 19:30:43,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 19:30:43,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 19:30:43,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 19:30:43,215 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 19:30:43,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=52.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:42" (1/2) ... [2020-10-06 19:30:43,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fea1438 and model type example2_N=52.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 07:30:43, skipping insertion in model container [2020-10-06 19:30:43,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=52.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:30:43" (2/2) ... [2020-10-06 19:30:43,218 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=52.bpl [2020-10-06 19:30:43,229 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 19:30:43,230 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-06 19:30:43,238 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 19:30:43,239 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 19:30:44,310 INFO L253 AbstractCegarLoop]: Starting to check reachability of 53 error locations. [2020-10-06 19:30:44,332 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-06 19:30:44,332 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-06 19:30:44,332 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-06 19:30:44,332 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-06 19:30:44,332 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 19:30:44,333 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-06 19:30:44,333 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 19:30:44,333 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 19:30:44,355 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-06 19:30:44,358 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 421 places, 316 transitions, 1048 flow [2020-10-06 19:30:44,361 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 421 places, 316 transitions, 1048 flow [2020-10-06 19:30:44,362 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 421 places, 316 transitions, 1048 flow [2020-10-06 19:30:44,543 INFO L129 PetriNetUnfolder]: 52/264 cut-off events. [2020-10-06 19:30:44,544 INFO L130 PetriNetUnfolder]: For 52/52 co-relation queries the response was YES. [2020-10-06 19:30:44,565 INFO L80 FinitePrefix]: Finished finitePrefix Result has 473 conditions, 264 events. 52/264 cut-off events. For 52/52 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 353 event pairs, 0 based on Foata normal form. 0/211 useless extension candidates. Maximal degree in co-relation 309. Up to 2 conditions per place. [2020-10-06 19:30:44,601 INFO L117 LiptonReduction]: Number of co-enabled transitions 39780 [2020-10-06 19:30:45,869 INFO L132 LiptonReduction]: Checked pairs total: 63087 [2020-10-06 19:30:45,870 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-06 19:30:45,877 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 419 places, 314 transitions, 1044 flow Received shutdown request... [2020-10-06 19:44:00,053 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-06 19:44:00,056 WARN L235 ceAbstractionStarter]: Timeout [2020-10-06 19:44:00,056 INFO L202 PluginConnector]: Adding new model example2_N=52.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 07:44:00 BasicIcfg [2020-10-06 19:44:00,056 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 19:44:00,063 INFO L168 Benchmark]: Toolchain (without parser) took 797697.23 ms. Allocated memory was 250.6 MB in the beginning and 8.2 GB in the end (delta: 8.0 GB). Free memory was 224.5 MB in the beginning and 2.3 GB in the end (delta: -2.0 GB). Peak memory consumption was 8.6 GB. Max. memory is 14.2 GB. [2020-10-06 19:44:00,063 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 250.6 MB. Free memory is still 227.0 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 19:44:00,065 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.28 ms. Allocated memory is still 250.6 MB. Free memory was 224.5 MB in the beginning and 222.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 19:44:00,067 INFO L168 Benchmark]: Boogie Preprocessor took 64.26 ms. Allocated memory is still 250.6 MB. Free memory was 222.0 MB in the beginning and 219.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 19:44:00,067 INFO L168 Benchmark]: RCFGBuilder took 741.03 ms. Allocated memory is still 250.6 MB. Free memory was 219.4 MB in the beginning and 174.1 MB in the end (delta: 45.3 MB). Peak memory consumption was 45.3 MB. Max. memory is 14.2 GB. [2020-10-06 19:44:00,068 INFO L168 Benchmark]: TraceAbstraction took 796845.21 ms. Allocated memory was 250.6 MB in the beginning and 8.2 GB in the end (delta: 8.0 GB). Free memory was 174.1 MB in the beginning and 2.3 GB in the end (delta: -2.1 GB). Peak memory consumption was 8.5 GB. Max. memory is 14.2 GB. [2020-10-06 19:44:00,072 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 0.19 ms. Allocated memory is still 250.6 MB. Free memory is still 227.0 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 42.28 ms. Allocated memory is still 250.6 MB. Free memory was 224.5 MB in the beginning and 222.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 64.26 ms. Allocated memory is still 250.6 MB. Free memory was 222.0 MB in the beginning and 219.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 741.03 ms. Allocated memory is still 250.6 MB. Free memory was 219.4 MB in the beginning and 174.1 MB in the end (delta: 45.3 MB). Peak memory consumption was 45.3 MB. Max. memory is 14.2 GB. * TraceAbstraction took 796845.21 ms. Allocated memory was 250.6 MB in the beginning and 8.2 GB in the end (delta: 8.0 GB). Free memory was 174.1 MB in the beginning and 2.3 GB in the end (delta: -2.1 GB). Peak memory consumption was 8.5 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 10711 VarBasedMoverChecksPositive, 255 VarBasedMoverChecksNegative, 154 SemBasedMoverChecksPositive, 101 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.9s, 10759 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.5s, 421 PlacesBefore, 419 PlacesAfterwards, 316 TransitionsBefore, 314 TransitionsAfterwards, 39780 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 63087 MoverChecksTotal - TimeoutResultAtElement [Line: 114]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 114). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 419 places, 314 transitions, 1044 flow. Already constructed 894996 states. Currently 447710 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 53 procedures, 265 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 795.7s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 795.7s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown