/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=49.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-50b6972 [2020-10-06 19:30:31,818 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 19:30:31,823 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 19:30:31,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 19:30:31,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 19:30:31,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 19:30:31,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 19:30:31,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 19:30:31,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 19:30:31,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 19:30:31,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 19:30:31,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 19:30:31,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 19:30:31,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 19:30:31,883 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 19:30:31,884 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 19:30:31,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 19:30:31,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 19:30:31,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 19:30:31,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 19:30:31,896 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 19:30:31,897 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 19:30:31,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 19:30:31,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 19:30:31,910 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 19:30:31,910 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 19:30:31,910 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 19:30:31,911 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 19:30:31,912 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 19:30:31,914 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 19:30:31,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 19:30:31,915 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 19:30:31,916 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 19:30:31,916 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 19:30:31,918 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 19:30:31,918 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 19:30:31,919 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 19:30:31,919 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 19:30:31,919 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 19:30:31,920 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 19:30:31,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 19:30:31,922 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 19:30:31,959 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 19:30:31,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 19:30:31,961 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 19:30:31,962 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 19:30:31,962 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 19:30:31,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 19:30:31,962 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 19:30:31,962 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 19:30:31,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 19:30:31,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 19:30:31,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 19:30:31,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 19:30:31,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 19:30:31,964 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 19:30:31,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 19:30:31,965 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 19:30:31,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 19:30:31,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 19:30:31,965 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 19:30:31,966 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 19:30:31,966 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 19:30:31,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 19:30:31,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 19:30:31,966 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-06 19:30:31,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 19:30:31,967 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 19:30:31,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 19:30:31,967 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 19:30:31,967 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-06 19:30:31,967 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-06 19:30:32,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 19:30:32,267 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 19:30:32,270 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 19:30:32,271 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-06 19:30:32,272 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-06 19:30:32,273 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=49.bpl [2020-10-06 19:30:32,273 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=49.bpl' [2020-10-06 19:30:32,333 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 19:30:32,335 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-06 19:30:32,336 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 19:30:32,336 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 19:30:32,336 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 19:30:32,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=49.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:32" (1/1) ... [2020-10-06 19:30:32,365 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=49.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:32" (1/1) ... [2020-10-06 19:30:32,375 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 19:30:32,376 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 19:30:32,376 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 19:30:32,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 19:30:32,386 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=49.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:32" (1/1) ... [2020-10-06 19:30:32,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=49.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:32" (1/1) ... [2020-10-06 19:30:32,390 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=49.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:32" (1/1) ... [2020-10-06 19:30:32,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=49.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:32" (1/1) ... [2020-10-06 19:30:32,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=49.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:32" (1/1) ... [2020-10-06 19:30:32,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=49.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:32" (1/1) ... [2020-10-06 19:30:32,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=49.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:32" (1/1) ... [2020-10-06 19:30:32,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 19:30:32,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 19:30:32,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 19:30:32,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 19:30:32,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=49.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:32" (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 19:30:32,497 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-06 19:30:32,498 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-06 19:30:32,498 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-06 19:30:32,498 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-06 19:30:32,498 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-06 19:30:32,499 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-06 19:30:32,499 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-06 19:30:32,499 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-06 19:30:32,499 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-06 19:30:32,500 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-06 19:30:32,500 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-06 19:30:32,500 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-06 19:30:32,500 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-06 19:30:32,500 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-06 19:30:32,500 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-06 19:30:32,501 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-06 19:30:32,501 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-06 19:30:32,501 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-06 19:30:32,501 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-06 19:30:32,501 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-06 19:30:32,501 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-06 19:30:32,502 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-06 19:30:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-06 19:30:32,502 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-06 19:30:32,502 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-06 19:30:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-06 19:30:32,503 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-06 19:30:32,503 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-06 19:30:32,503 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-06 19:30:32,503 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-06 19:30:32,503 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread39 given in one single declaration [2020-10-06 19:30:32,504 INFO L130 BoogieDeclarations]: Found specification of procedure thread39 [2020-10-06 19:30:32,504 INFO L138 BoogieDeclarations]: Found implementation of procedure thread39 [2020-10-06 19:30:32,504 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-06 19:30:32,504 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-06 19:30:32,504 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-06 19:30:32,504 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-06 19:30:32,505 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-06 19:30:32,505 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-06 19:30:32,505 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-06 19:30:32,505 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-06 19:30:32,505 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-06 19:30:32,506 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-06 19:30:32,506 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-06 19:30:32,506 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-06 19:30:32,506 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-06 19:30:32,506 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-06 19:30:32,506 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-06 19:30:32,507 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-06 19:30:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-06 19:30:32,507 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-06 19:30:32,507 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-06 19:30:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-06 19:30:32,508 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-06 19:30:32,508 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-06 19:30:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-06 19:30:32,508 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-06 19:30:32,508 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-06 19:30:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-06 19:30:32,509 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-06 19:30:32,509 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-06 19:30:32,509 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-06 19:30:32,509 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-06 19:30:32,509 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-10-06 19:30:32,509 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-10-06 19:30:32,510 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-10-06 19:30:32,510 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-10-06 19:30:32,510 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-10-06 19:30:32,510 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-10-06 19:30:32,510 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread38 given in one single declaration [2020-10-06 19:30:32,511 INFO L130 BoogieDeclarations]: Found specification of procedure thread38 [2020-10-06 19:30:32,511 INFO L138 BoogieDeclarations]: Found implementation of procedure thread38 [2020-10-06 19:30:32,511 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread37 given in one single declaration [2020-10-06 19:30:32,511 INFO L130 BoogieDeclarations]: Found specification of procedure thread37 [2020-10-06 19:30:32,511 INFO L138 BoogieDeclarations]: Found implementation of procedure thread37 [2020-10-06 19:30:32,511 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-06 19:30:32,512 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-06 19:30:32,512 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-06 19:30:32,512 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-06 19:30:32,512 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-06 19:30:32,512 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-06 19:30:32,512 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-10-06 19:30:32,513 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-10-06 19:30:32,513 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-10-06 19:30:32,513 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-10-06 19:30:32,513 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-10-06 19:30:32,513 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-10-06 19:30:32,513 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread41 given in one single declaration [2020-10-06 19:30:32,514 INFO L130 BoogieDeclarations]: Found specification of procedure thread41 [2020-10-06 19:30:32,514 INFO L138 BoogieDeclarations]: Found implementation of procedure thread41 [2020-10-06 19:30:32,514 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread40 given in one single declaration [2020-10-06 19:30:32,514 INFO L130 BoogieDeclarations]: Found specification of procedure thread40 [2020-10-06 19:30:32,514 INFO L138 BoogieDeclarations]: Found implementation of procedure thread40 [2020-10-06 19:30:32,515 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread47 given in one single declaration [2020-10-06 19:30:32,515 INFO L130 BoogieDeclarations]: Found specification of procedure thread47 [2020-10-06 19:30:32,515 INFO L138 BoogieDeclarations]: Found implementation of procedure thread47 [2020-10-06 19:30:32,515 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread46 given in one single declaration [2020-10-06 19:30:32,515 INFO L130 BoogieDeclarations]: Found specification of procedure thread46 [2020-10-06 19:30:32,515 INFO L138 BoogieDeclarations]: Found implementation of procedure thread46 [2020-10-06 19:30:32,516 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread49 given in one single declaration [2020-10-06 19:30:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure thread49 [2020-10-06 19:30:32,516 INFO L138 BoogieDeclarations]: Found implementation of procedure thread49 [2020-10-06 19:30:32,516 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread48 given in one single declaration [2020-10-06 19:30:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure thread48 [2020-10-06 19:30:32,517 INFO L138 BoogieDeclarations]: Found implementation of procedure thread48 [2020-10-06 19:30:32,517 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread43 given in one single declaration [2020-10-06 19:30:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure thread43 [2020-10-06 19:30:32,517 INFO L138 BoogieDeclarations]: Found implementation of procedure thread43 [2020-10-06 19:30:32,517 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread42 given in one single declaration [2020-10-06 19:30:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure thread42 [2020-10-06 19:30:32,518 INFO L138 BoogieDeclarations]: Found implementation of procedure thread42 [2020-10-06 19:30:32,518 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread45 given in one single declaration [2020-10-06 19:30:32,518 INFO L130 BoogieDeclarations]: Found specification of procedure thread45 [2020-10-06 19:30:32,518 INFO L138 BoogieDeclarations]: Found implementation of procedure thread45 [2020-10-06 19:30:32,519 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread44 given in one single declaration [2020-10-06 19:30:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure thread44 [2020-10-06 19:30:32,519 INFO L138 BoogieDeclarations]: Found implementation of procedure thread44 [2020-10-06 19:30:32,519 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-06 19:30:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-06 19:30:32,519 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-06 19:30:32,520 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-06 19:30:32,520 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-06 19:30:32,520 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-06 19:30:32,520 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-06 19:30:32,520 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-06 19:30:32,520 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-06 19:30:32,521 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-06 19:30:32,521 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-06 19:30:32,521 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-06 19:30:32,521 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-06 19:30:32,521 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-06 19:30:32,521 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-06 19:30:32,522 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-06 19:30:32,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 19:30:32,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 19:30:32,522 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-06 19:30:32,522 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-06 19:30:32,522 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-06 19:30:32,523 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-06 19:30:32,523 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-06 19:30:32,523 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-06 19:30:32,523 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-06 19:30:32,523 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-06 19:30:32,523 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-06 19:30:32,524 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-06 19:30:32,524 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-06 19:30:32,524 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-06 19:30:32,524 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-06 19:30:32,524 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-06 19:30:32,525 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-06 19:30:32,526 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 19:30:33,099 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 19:30:33,100 INFO L298 CfgBuilder]: Removed 49 assume(true) statements. [2020-10-06 19:30:33,102 INFO L202 PluginConnector]: Adding new model example2_N=49.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:30:33 BoogieIcfgContainer [2020-10-06 19:30:33,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 19:30:33,103 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 19:30:33,103 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 19:30:33,106 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 19:30:33,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=49.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:32" (1/2) ... [2020-10-06 19:30:33,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2700277f and model type example2_N=49.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 07:30:33, skipping insertion in model container [2020-10-06 19:30:33,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=49.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:30:33" (2/2) ... [2020-10-06 19:30:33,109 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=49.bpl [2020-10-06 19:30:33,117 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 19:30:33,117 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-06 19:30:33,124 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 19:30:33,125 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 19:30:34,092 INFO L253 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2020-10-06 19:30:34,113 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-06 19:30:34,113 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-06 19:30:34,113 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-06 19:30:34,113 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-06 19:30:34,113 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 19:30:34,113 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-06 19:30:34,114 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 19:30:34,114 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 19:30:34,132 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-06 19:30:34,135 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 397 places, 298 transitions, 988 flow [2020-10-06 19:30:34,138 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 397 places, 298 transitions, 988 flow [2020-10-06 19:30:34,140 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 397 places, 298 transitions, 988 flow [2020-10-06 19:30:34,305 INFO L129 PetriNetUnfolder]: 49/249 cut-off events. [2020-10-06 19:30:34,306 INFO L130 PetriNetUnfolder]: For 49/49 co-relation queries the response was YES. [2020-10-06 19:30:34,324 INFO L80 FinitePrefix]: Finished finitePrefix Result has 446 conditions, 249 events. 49/249 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 353 event pairs, 0 based on Foata normal form. 0/199 useless extension candidates. Maximal degree in co-relation 291. Up to 2 conditions per place. [2020-10-06 19:30:34,354 INFO L117 LiptonReduction]: Number of co-enabled transitions 35280 [2020-10-06 19:30:35,735 INFO L132 LiptonReduction]: Checked pairs total: 55920 [2020-10-06 19:30:35,735 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-06 19:30:35,742 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 395 places, 296 transitions, 984 flow Received shutdown request... [2020-10-06 19:43:39,547 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-06 19:43:39,551 WARN L235 ceAbstractionStarter]: Timeout [2020-10-06 19:43:39,552 INFO L202 PluginConnector]: Adding new model example2_N=49.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 07:43:39 BasicIcfg [2020-10-06 19:43:39,552 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 19:43:39,559 INFO L168 Benchmark]: Toolchain (without parser) took 787219.56 ms. Allocated memory was 253.2 MB in the beginning and 9.5 GB in the end (delta: 9.3 GB). Free memory was 225.4 MB in the beginning and 2.4 GB in the end (delta: -2.2 GB). Peak memory consumption was 8.5 GB. Max. memory is 14.2 GB. [2020-10-06 19:43:39,560 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 253.2 MB. Free memory is still 227.9 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 19:43:39,562 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.81 ms. Allocated memory is still 253.2 MB. Free memory was 225.4 MB in the beginning and 222.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 19:43:39,565 INFO L168 Benchmark]: Boogie Preprocessor took 52.58 ms. Allocated memory is still 253.2 MB. Free memory was 222.9 MB in the beginning and 220.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 19:43:39,566 INFO L168 Benchmark]: RCFGBuilder took 673.67 ms. Allocated memory is still 253.2 MB. Free memory was 220.4 MB in the beginning and 177.2 MB in the end (delta: 43.2 MB). Peak memory consumption was 43.2 MB. Max. memory is 14.2 GB. [2020-10-06 19:43:39,568 INFO L168 Benchmark]: TraceAbstraction took 786449.37 ms. Allocated memory was 253.2 MB in the beginning and 9.5 GB in the end (delta: 9.3 GB). Free memory was 177.2 MB in the beginning and 2.4 GB in the end (delta: -2.2 GB). Peak memory consumption was 8.4 GB. Max. memory is 14.2 GB. [2020-10-06 19:43:39,579 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 0.16 ms. Allocated memory is still 253.2 MB. Free memory is still 227.9 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 39.81 ms. Allocated memory is still 253.2 MB. Free memory was 225.4 MB in the beginning and 222.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 52.58 ms. Allocated memory is still 253.2 MB. Free memory was 222.9 MB in the beginning and 220.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 673.67 ms. Allocated memory is still 253.2 MB. Free memory was 220.4 MB in the beginning and 177.2 MB in the end (delta: 43.2 MB). Peak memory consumption was 43.2 MB. Max. memory is 14.2 GB. * TraceAbstraction took 786449.37 ms. Allocated memory was 253.2 MB in the beginning and 9.5 GB in the end (delta: 9.3 GB). Free memory was 177.2 MB in the beginning and 2.4 GB in the end (delta: -2.2 GB). Peak memory consumption was 8.4 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 9553 VarBasedMoverChecksPositive, 380 VarBasedMoverChecksNegative, 193 SemBasedMoverChecksPositive, 187 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.0s, 9738 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.5s, 397 PlacesBefore, 395 PlacesAfterwards, 298 TransitionsBefore, 296 TransitionsAfterwards, 35280 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 55920 MoverChecksTotal - TimeoutResultAtElement [Line: 108]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 108). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 395 places, 296 transitions, 984 flow. Already constructed 901069 states. Currently 450617 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 50 procedures, 250 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 785.4s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 785.4s, 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