/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=32.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 13:47:05,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 13:47:05,741 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 13:47:05,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 13:47:05,783 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 13:47:05,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 13:47:05,795 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 13:47:05,799 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 13:47:05,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 13:47:05,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 13:47:05,806 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 13:47:05,806 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 13:47:05,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 13:47:05,810 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 13:47:05,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 13:47:05,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 13:47:05,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 13:47:05,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 13:47:05,817 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 13:47:05,825 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 13:47:05,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 13:47:05,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 13:47:05,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 13:47:05,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 13:47:05,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 13:47:05,844 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 13:47:05,845 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 13:47:05,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 13:47:05,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 13:47:05,853 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 13:47:05,853 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 13:47:05,854 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 13:47:05,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 13:47:05,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 13:47:05,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 13:47:05,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 13:47:05,859 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 13:47:05,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 13:47:05,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 13:47:05,861 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 13:47:05,861 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 13:47:05,862 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 13:47:05,899 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 13:47:05,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 13:47:05,901 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 13:47:05,901 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 13:47:05,901 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 13:47:05,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 13:47:05,902 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 13:47:05,902 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 13:47:05,902 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 13:47:05,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 13:47:05,904 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 13:47:05,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 13:47:05,904 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 13:47:05,905 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 13:47:05,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 13:47:05,906 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 13:47:05,906 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 13:47:05,906 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 13:47:05,906 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 13:47:05,907 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 13:47:05,907 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 13:47:05,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 13:47:05,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 13:47:05,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 13:47:05,908 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 13:47:05,908 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-08 13:47:05,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 13:47:05,908 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 13:47:05,909 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-08 13:47:05,909 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 13:47:06,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 13:47:06,236 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 13:47:06,241 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 13:47:06,242 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 13:47:06,243 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 13:47:06,244 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=32.bpl [2020-10-08 13:47:06,244 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=32.bpl' [2020-10-08 13:47:06,301 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 13:47:06,303 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 13:47:06,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 13:47:06,304 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 13:47:06,304 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 13:47:06,321 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 08.10 01:47:06" (1/1) ... [2020-10-08 13:47:06,333 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 08.10 01:47:06" (1/1) ... [2020-10-08 13:47:06,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 13:47:06,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 13:47:06,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 13:47:06,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 13:47:06,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:47:06" (1/1) ... [2020-10-08 13:47:06,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:47:06" (1/1) ... [2020-10-08 13:47:06,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:47:06" (1/1) ... [2020-10-08 13:47:06,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:47:06" (1/1) ... [2020-10-08 13:47:06,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:47:06" (1/1) ... [2020-10-08 13:47:06,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:47:06" (1/1) ... [2020-10-08 13:47:06,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:47:06" (1/1) ... [2020-10-08 13:47:06,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 13:47:06,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 13:47:06,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 13:47:06,438 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 13:47:06,439 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:47:06" (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 13:47:06,543 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-08 13:47:06,543 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-08 13:47:06,545 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-08 13:47:06,545 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-08 13:47:06,545 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-08 13:47:06,546 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-08 13:47:06,546 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-08 13:47:06,546 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-08 13:47:06,546 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-08 13:47:06,546 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-08 13:47:06,546 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-08 13:47:06,547 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-08 13:47:06,547 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-08 13:47:06,547 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-08 13:47:06,547 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-08 13:47:06,547 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-08 13:47:06,547 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-08 13:47:06,548 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-08 13:47:06,548 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-08 13:47:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-08 13:47:06,549 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-08 13:47:06,549 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-08 13:47:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-08 13:47:06,550 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-08 13:47:06,557 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-08 13:47:06,558 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-08 13:47:06,558 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-08 13:47:06,559 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-08 13:47:06,560 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-08 13:47:06,560 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-08 13:47:06,560 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-08 13:47:06,560 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-08 13:47:06,560 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-08 13:47:06,561 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-08 13:47:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-08 13:47:06,562 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-08 13:47:06,562 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-08 13:47:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-08 13:47:06,563 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-08 13:47:06,563 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 13:47:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 13:47:06,563 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 13:47:06,563 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 13:47:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 13:47:06,564 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 13:47:06,564 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 13:47:06,565 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 13:47:06,565 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 13:47:06,565 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 13:47:06,566 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 13:47:06,566 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 13:47:06,566 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 13:47:06,566 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 13:47:06,566 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 13:47:06,566 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 13:47:06,567 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 13:47:06,567 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 13:47:06,567 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 13:47:06,567 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 13:47:06,568 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 13:47:06,568 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 13:47:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 13:47:06,568 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 13:47:06,568 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 13:47:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 13:47:06,569 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 13:47:06,569 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-08 13:47:06,570 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-08 13:47:06,570 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-08 13:47:06,570 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 13:47:06,570 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 13:47:06,570 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 13:47:06,570 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 13:47:06,571 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 13:47:06,572 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 13:47:06,572 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 13:47:06,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 13:47:06,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 13:47:06,572 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-08 13:47:06,573 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-08 13:47:06,573 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-08 13:47:06,573 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 13:47:06,573 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 13:47:06,573 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 13:47:06,574 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-08 13:47:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-08 13:47:06,575 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-08 13:47:06,575 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 13:47:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 13:47:06,575 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 13:47:06,576 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-08 13:47:06,576 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-08 13:47:06,576 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-08 13:47:06,576 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 13:47:06,576 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 13:47:06,576 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 13:47:06,577 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 13:47:06,577 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 13:47:06,577 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 13:47:06,578 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 13:47:07,035 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 13:47:07,035 INFO L298 CfgBuilder]: Removed 32 assume(true) statements. [2020-10-08 13:47:07,037 INFO L202 PluginConnector]: Adding new model example2_N=32.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:47:07 BoogieIcfgContainer [2020-10-08 13:47:07,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 13:47:07,038 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 13:47:07,039 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 13:47:07,042 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 13:47:07,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:47:06" (1/2) ... [2020-10-08 13:47:07,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4813e43b and model type example2_N=32.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 01:47:07, skipping insertion in model container [2020-10-08 13:47:07,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:47:07" (2/2) ... [2020-10-08 13:47:07,045 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=32.bpl [2020-10-08 13:47:07,058 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 13:47:07,058 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 13:47:07,065 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 13:47:07,066 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 13:47:07,600 INFO L253 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2020-10-08 13:47:07,622 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 13:47:07,622 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 13:47:07,622 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 13:47:07,622 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 13:47:07,622 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 13:47:07,623 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 13:47:07,623 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 13:47:07,623 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 13:47:07,646 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-08 13:47:07,648 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 261 places, 196 transitions, 648 flow [2020-10-08 13:47:07,651 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 261 places, 196 transitions, 648 flow [2020-10-08 13:47:07,653 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 261 places, 196 transitions, 648 flow [2020-10-08 13:47:07,802 INFO L129 PetriNetUnfolder]: 32/164 cut-off events. [2020-10-08 13:47:07,802 INFO L130 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2020-10-08 13:47:07,824 INFO L80 FinitePrefix]: Finished finitePrefix Result has 293 conditions, 164 events. 32/164 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 225 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 189. Up to 2 conditions per place. [2020-10-08 13:47:07,840 INFO L117 LiptonReduction]: Number of co-enabled transitions 14880 [2020-10-08 13:47:08,681 INFO L132 LiptonReduction]: Checked pairs total: 23467 [2020-10-08 13:47:08,681 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-08 13:47:08,688 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 259 places, 194 transitions, 644 flow Received shutdown request... [2020-10-08 14:00:47,758 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 14:00:47,761 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 14:00:47,761 INFO L202 PluginConnector]: Adding new model example2_N=32.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 02:00:47 BasicIcfg [2020-10-08 14:00:47,762 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 14:00:47,764 INFO L168 Benchmark]: Toolchain (without parser) took 821460.97 ms. Allocated memory was 251.7 MB in the beginning and 7.1 GB in the end (delta: 6.9 GB). Free memory was 223.0 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 6.1 GB. Max. memory is 14.2 GB. [2020-10-08 14:00:47,765 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 251.7 MB. Free memory is still 225.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 14:00:47,765 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.96 ms. Allocated memory is still 251.7 MB. Free memory is still 223.0 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 14:00:47,769 INFO L168 Benchmark]: Boogie Preprocessor took 90.25 ms. Allocated memory is still 251.7 MB. Free memory was 223.0 MB in the beginning and 220.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 14:00:47,770 INFO L168 Benchmark]: RCFGBuilder took 599.84 ms. Allocated memory is still 251.7 MB. Free memory was 220.5 MB in the beginning and 187.8 MB in the end (delta: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 14.2 GB. [2020-10-08 14:00:47,771 INFO L168 Benchmark]: TraceAbstraction took 820723.24 ms. Allocated memory was 251.7 MB in the beginning and 7.1 GB in the end (delta: 6.9 GB). Free memory was 187.8 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 6.1 GB. Max. memory is 14.2 GB. [2020-10-08 14:00:47,774 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 251.7 MB. Free memory is still 225.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 42.96 ms. Allocated memory is still 251.7 MB. Free memory is still 223.0 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Preprocessor took 90.25 ms. Allocated memory is still 251.7 MB. Free memory was 223.0 MB in the beginning and 220.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 599.84 ms. Allocated memory is still 251.7 MB. Free memory was 220.5 MB in the beginning and 187.8 MB in the end (delta: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 14.2 GB. * TraceAbstraction took 820723.24 ms. Allocated memory was 251.7 MB in the beginning and 7.1 GB in the end (delta: 6.9 GB). Free memory was 187.8 MB in the beginning and 1.3 GB in the end (delta: -1.1 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 4031 VarBasedMoverChecksPositive, 155 VarBasedMoverChecksNegative, 93 SemBasedMoverChecksPositive, 62 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 4060 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.0s, 261 PlacesBefore, 259 PlacesAfterwards, 196 TransitionsBefore, 194 TransitionsAfterwards, 14880 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 23467 MoverChecksTotal - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 74). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 259 places, 194 transitions, 644 flow. Already constructed 755967 states. Currently 377990 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 33 procedures, 165 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 820.1s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 820.1s, 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