/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=43.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 14:09:56,823 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 14:09:56,826 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 14:09:56,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 14:09:56,851 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 14:09:56,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 14:09:56,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 14:09:56,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 14:09:56,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 14:09:56,868 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 14:09:56,869 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 14:09:56,872 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 14:09:56,872 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 14:09:56,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 14:09:56,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 14:09:56,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 14:09:56,880 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 14:09:56,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 14:09:56,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 14:09:56,890 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 14:09:56,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 14:09:56,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 14:09:56,895 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 14:09:56,896 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 14:09:56,907 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 14:09:56,907 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 14:09:56,908 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 14:09:56,908 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 14:09:56,909 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 14:09:56,913 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 14:09:56,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 14:09:56,914 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 14:09:56,915 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 14:09:56,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 14:09:56,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 14:09:56,916 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 14:09:56,917 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 14:09:56,918 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 14:09:56,919 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 14:09:56,920 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 14:09:56,922 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 14:09:56,923 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-08 14:09:56,965 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 14:09:56,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 14:09:56,966 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 14:09:56,966 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 14:09:56,966 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 14:09:56,967 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 14:09:56,967 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 14:09:56,967 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 14:09:56,967 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 14:09:56,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 14:09:56,968 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 14:09:56,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 14:09:56,968 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 14:09:56,968 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 14:09:56,968 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 14:09:56,969 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 14:09:56,969 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 14:09:56,969 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 14:09:56,969 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 14:09:56,969 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 14:09:56,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 14:09:56,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 14:09:56,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 14:09:56,970 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 14:09:56,970 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 14:09:56,971 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-08 14:09:56,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 14:09:56,971 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 14:09:56,971 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-08 14:09:56,971 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 14:09:57,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 14:09:57,315 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 14:09:57,318 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 14:09:57,320 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 14:09:57,320 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 14:09:57,321 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=43.bpl [2020-10-08 14:09:57,322 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=43.bpl' [2020-10-08 14:09:57,383 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 14:09:57,385 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 14:09:57,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 14:09:57,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 14:09:57,386 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 14:09:57,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=43.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:57" (1/1) ... [2020-10-08 14:09:57,417 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=43.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:57" (1/1) ... [2020-10-08 14:09:57,428 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 14:09:57,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 14:09:57,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 14:09:57,429 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 14:09:57,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=43.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:57" (1/1) ... [2020-10-08 14:09:57,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=43.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:57" (1/1) ... [2020-10-08 14:09:57,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=43.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:57" (1/1) ... [2020-10-08 14:09:57,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=43.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:57" (1/1) ... [2020-10-08 14:09:57,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=43.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:57" (1/1) ... [2020-10-08 14:09:57,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=43.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:57" (1/1) ... [2020-10-08 14:09:57,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=43.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:57" (1/1) ... [2020-10-08 14:09:57,488 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 14:09:57,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 14:09:57,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 14:09:57,489 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 14:09:57,490 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=43.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 14:09:57,578 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-08 14:09:57,579 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-08 14:09:57,579 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-08 14:09:57,579 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-08 14:09:57,579 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-08 14:09:57,580 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-08 14:09:57,580 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread41 given in one single declaration [2020-10-08 14:09:57,580 INFO L130 BoogieDeclarations]: Found specification of procedure thread41 [2020-10-08 14:09:57,580 INFO L138 BoogieDeclarations]: Found implementation of procedure thread41 [2020-10-08 14:09:57,580 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread40 given in one single declaration [2020-10-08 14:09:57,581 INFO L130 BoogieDeclarations]: Found specification of procedure thread40 [2020-10-08 14:09:57,581 INFO L138 BoogieDeclarations]: Found implementation of procedure thread40 [2020-10-08 14:09:57,581 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-08 14:09:57,581 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-08 14:09:57,581 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-08 14:09:57,582 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-08 14:09:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-08 14:09:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-08 14:09:57,582 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-08 14:09:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-08 14:09:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-08 14:09:57,583 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-08 14:09:57,583 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-08 14:09:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-08 14:09:57,583 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread43 given in one single declaration [2020-10-08 14:09:57,583 INFO L130 BoogieDeclarations]: Found specification of procedure thread43 [2020-10-08 14:09:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure thread43 [2020-10-08 14:09:57,584 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-08 14:09:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-08 14:09:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-08 14:09:57,584 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread42 given in one single declaration [2020-10-08 14:09:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure thread42 [2020-10-08 14:09:57,585 INFO L138 BoogieDeclarations]: Found implementation of procedure thread42 [2020-10-08 14:09:57,585 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-08 14:09:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-08 14:09:57,585 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-08 14:09:57,585 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-08 14:09:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-08 14:09:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-08 14:09:57,586 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-08 14:09:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-08 14:09:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-08 14:09:57,587 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-08 14:09:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-08 14:09:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-08 14:09:57,587 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread39 given in one single declaration [2020-10-08 14:09:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure thread39 [2020-10-08 14:09:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure thread39 [2020-10-08 14:09:57,588 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-08 14:09:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-08 14:09:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-08 14:09:57,589 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-08 14:09:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-08 14:09:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-08 14:09:57,589 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 14:09:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 14:09:57,590 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 14:09:57,590 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 14:09:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 14:09:57,590 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 14:09:57,591 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 14:09:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 14:09:57,591 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 14:09:57,591 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 14:09:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 14:09:57,592 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 14:09:57,592 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 14:09:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 14:09:57,592 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 14:09:57,592 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 14:09:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 14:09:57,593 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 14:09:57,593 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 14:09:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 14:09:57,593 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 14:09:57,593 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 14:09:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 14:09:57,594 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 14:09:57,594 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 14:09:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 14:09:57,594 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 14:09:57,595 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-08 14:09:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-08 14:09:57,595 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-08 14:09:57,595 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-10-08 14:09:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-10-08 14:09:57,595 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-10-08 14:09:57,596 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 14:09:57,596 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 14:09:57,596 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 14:09:57,596 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-10-08 14:09:57,596 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-10-08 14:09:57,596 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-10-08 14:09:57,597 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 14:09:57,597 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 14:09:57,597 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 14:09:57,597 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 14:09:57,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 14:09:57,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 14:09:57,598 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread38 given in one single declaration [2020-10-08 14:09:57,598 INFO L130 BoogieDeclarations]: Found specification of procedure thread38 [2020-10-08 14:09:57,598 INFO L138 BoogieDeclarations]: Found implementation of procedure thread38 [2020-10-08 14:09:57,598 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-08 14:09:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-08 14:09:57,599 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-08 14:09:57,599 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread37 given in one single declaration [2020-10-08 14:09:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure thread37 [2020-10-08 14:09:57,599 INFO L138 BoogieDeclarations]: Found implementation of procedure thread37 [2020-10-08 14:09:57,599 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 14:09:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 14:09:57,600 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 14:09:57,600 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-08 14:09:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-08 14:09:57,600 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-08 14:09:57,600 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 14:09:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 14:09:57,601 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 14:09:57,601 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-08 14:09:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-08 14:09:57,601 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-08 14:09:57,602 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-10-08 14:09:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-10-08 14:09:57,602 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-10-08 14:09:57,602 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 14:09:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 14:09:57,602 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 14:09:57,603 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-10-08 14:09:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-10-08 14:09:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-10-08 14:09:57,603 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 14:09:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 14:09:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 14:09:57,605 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-08 14:09:58,141 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 14:09:58,142 INFO L298 CfgBuilder]: Removed 43 assume(true) statements. [2020-10-08 14:09:58,144 INFO L202 PluginConnector]: Adding new model example2_N=43.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 02:09:58 BoogieIcfgContainer [2020-10-08 14:09:58,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 14:09:58,145 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 14:09:58,146 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 14:09:58,149 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 14:09:58,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=43.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:57" (1/2) ... [2020-10-08 14:09:58,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64c4105b and model type example2_N=43.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 02:09:58, skipping insertion in model container [2020-10-08 14:09:58,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=43.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 02:09:58" (2/2) ... [2020-10-08 14:09:58,153 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=43.bpl [2020-10-08 14:09:58,164 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 14:09:58,165 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 14:09:58,172 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 14:09:58,173 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 14:09:59,117 INFO L253 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2020-10-08 14:09:59,140 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 14:09:59,140 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 14:09:59,140 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 14:09:59,140 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 14:09:59,141 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 14:09:59,141 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 14:09:59,141 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 14:09:59,141 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 14:09:59,170 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-08 14:09:59,172 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 349 places, 262 transitions, 868 flow [2020-10-08 14:09:59,175 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 349 places, 262 transitions, 868 flow [2020-10-08 14:09:59,178 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 349 places, 262 transitions, 868 flow [2020-10-08 14:09:59,410 INFO L129 PetriNetUnfolder]: 43/219 cut-off events. [2020-10-08 14:09:59,410 INFO L130 PetriNetUnfolder]: For 43/43 co-relation queries the response was YES. [2020-10-08 14:09:59,425 INFO L80 FinitePrefix]: Finished finitePrefix Result has 392 conditions, 219 events. 43/219 cut-off events. For 43/43 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 293 event pairs, 0 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 255. Up to 2 conditions per place. [2020-10-08 14:09:59,447 INFO L117 LiptonReduction]: Number of co-enabled transitions 27090 [2020-10-08 14:10:00,452 INFO L132 LiptonReduction]: Checked pairs total: 42882 [2020-10-08 14:10:00,452 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-08 14:10:00,460 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 347 places, 260 transitions, 864 flow Received shutdown request... [2020-10-08 14:23:32,754 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 14:23:32,761 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 14:23:32,763 INFO L202 PluginConnector]: Adding new model example2_N=43.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 02:23:32 BasicIcfg [2020-10-08 14:23:32,763 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 14:23:32,769 INFO L168 Benchmark]: Toolchain (without parser) took 815379.89 ms. Allocated memory was 246.9 MB in the beginning and 8.1 GB in the end (delta: 7.9 GB). Free memory was 220.8 MB in the beginning and 2.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 7.6 GB. Max. memory is 14.2 GB. [2020-10-08 14:23:32,771 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 246.9 MB. Free memory is still 223.3 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 14:23:32,773 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.32 ms. Allocated memory is still 246.9 MB. Free memory was 220.8 MB in the beginning and 218.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 14:23:32,775 INFO L168 Benchmark]: Boogie Preprocessor took 59.47 ms. Allocated memory is still 246.9 MB. Free memory was 218.3 MB in the beginning and 215.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 14:23:32,777 INFO L168 Benchmark]: RCFGBuilder took 655.82 ms. Allocated memory is still 246.9 MB. Free memory was 215.8 MB in the beginning and 178.0 MB in the end (delta: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 14.2 GB. [2020-10-08 14:23:32,779 INFO L168 Benchmark]: TraceAbstraction took 814617.53 ms. Allocated memory was 246.9 MB in the beginning and 8.1 GB in the end (delta: 7.9 GB). Free memory was 178.0 MB in the beginning and 2.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 7.5 GB. Max. memory is 14.2 GB. [2020-10-08 14:23:32,790 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 0.18 ms. Allocated memory is still 246.9 MB. Free memory is still 223.3 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 42.32 ms. Allocated memory is still 246.9 MB. Free memory was 220.8 MB in the beginning and 218.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 59.47 ms. Allocated memory is still 246.9 MB. Free memory was 218.3 MB in the beginning and 215.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 655.82 ms. Allocated memory is still 246.9 MB. Free memory was 215.8 MB in the beginning and 178.0 MB in the end (delta: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 14.2 GB. * TraceAbstraction took 814617.53 ms. Allocated memory was 246.9 MB in the beginning and 8.1 GB in the end (delta: 7.9 GB). Free memory was 178.0 MB in the beginning and 2.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 7.5 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 9654 VarBasedMoverChecksPositive, 211 VarBasedMoverChecksNegative, 128 SemBasedMoverChecksPositive, 83 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 9687 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.2s, 349 PlacesBefore, 347 PlacesAfterwards, 262 TransitionsBefore, 260 TransitionsAfterwards, 27090 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 42882 MoverChecksTotal - TimeoutResultAtElement [Line: 96]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 96). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 347 places, 260 transitions, 864 flow. Already constructed 876431 states. Currently 438220 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 220 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 813.6s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 813.6s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown