/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=42.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 14:09:44,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 14:09:44,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 14:09:44,231 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 14:09:44,232 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 14:09:44,233 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 14:09:44,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 14:09:44,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 14:09:44,237 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 14:09:44,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 14:09:44,239 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 14:09:44,240 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 14:09:44,240 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 14:09:44,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 14:09:44,242 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 14:09:44,243 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 14:09:44,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 14:09:44,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 14:09:44,246 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 14:09:44,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 14:09:44,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 14:09:44,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 14:09:44,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 14:09:44,252 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 14:09:44,255 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 14:09:44,255 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 14:09:44,255 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 14:09:44,256 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 14:09:44,259 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 14:09:44,260 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 14:09:44,260 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 14:09:44,261 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 14:09:44,262 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 14:09:44,263 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 14:09:44,264 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 14:09:44,264 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 14:09:44,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 14:09:44,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 14:09:44,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 14:09:44,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 14:09:44,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 14:09:44,269 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 14:09:44,317 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 14:09:44,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 14:09:44,320 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 14:09:44,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 14:09:44,321 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 14:09:44,321 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 14:09:44,321 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 14:09:44,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 14:09:44,321 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 14:09:44,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 14:09:44,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 14:09:44,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 14:09:44,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 14:09:44,322 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 14:09:44,323 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 14:09:44,323 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 14:09:44,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 14:09:44,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 14:09:44,326 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 14:09:44,326 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 14:09:44,326 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 14:09:44,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 14:09:44,327 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 14:09:44,327 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 14:09:44,327 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 14:09:44,327 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-08 14:09:44,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 14:09:44,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 14:09:44,328 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-08 14:09:44,328 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 14:09:44,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 14:09:44,642 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 14:09:44,645 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 14:09:44,646 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 14:09:44,647 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 14:09:44,648 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=42.bpl [2020-10-08 14:09:44,648 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=42.bpl' [2020-10-08 14:09:44,701 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 14:09:44,703 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 14:09:44,704 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 14:09:44,704 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 14:09:44,704 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 14:09:44,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=42.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:44" (1/1) ... [2020-10-08 14:09:44,733 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=42.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:44" (1/1) ... [2020-10-08 14:09:44,743 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 14:09:44,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 14:09:44,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 14:09:44,744 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 14:09:44,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=42.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:44" (1/1) ... [2020-10-08 14:09:44,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=42.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:44" (1/1) ... [2020-10-08 14:09:44,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=42.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:44" (1/1) ... [2020-10-08 14:09:44,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=42.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:44" (1/1) ... [2020-10-08 14:09:44,771 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=42.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:44" (1/1) ... [2020-10-08 14:09:44,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=42.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:44" (1/1) ... [2020-10-08 14:09:44,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=42.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:44" (1/1) ... [2020-10-08 14:09:44,792 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 14:09:44,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 14:09:44,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 14:09:44,793 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 14:09:44,794 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=42.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:44" (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 14:09:44,885 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-08 14:09:44,885 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-08 14:09:44,886 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-08 14:09:44,887 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-08 14:09:44,887 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-08 14:09:44,887 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-08 14:09:44,888 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread41 given in one single declaration [2020-10-08 14:09:44,888 INFO L130 BoogieDeclarations]: Found specification of procedure thread41 [2020-10-08 14:09:44,888 INFO L138 BoogieDeclarations]: Found implementation of procedure thread41 [2020-10-08 14:09:44,888 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread40 given in one single declaration [2020-10-08 14:09:44,888 INFO L130 BoogieDeclarations]: Found specification of procedure thread40 [2020-10-08 14:09:44,888 INFO L138 BoogieDeclarations]: Found implementation of procedure thread40 [2020-10-08 14:09:44,889 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-08 14:09:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-08 14:09:44,890 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-08 14:09:44,890 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-08 14:09:44,890 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-08 14:09:44,890 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-08 14:09:44,891 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-08 14:09:44,891 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-08 14:09:44,892 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-08 14:09:44,892 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-08 14:09:44,892 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-08 14:09:44,893 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-08 14:09:44,899 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-08 14:09:44,901 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-08 14:09:44,901 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-08 14:09:44,903 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread42 given in one single declaration [2020-10-08 14:09:44,903 INFO L130 BoogieDeclarations]: Found specification of procedure thread42 [2020-10-08 14:09:44,903 INFO L138 BoogieDeclarations]: Found implementation of procedure thread42 [2020-10-08 14:09:44,903 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-08 14:09:44,903 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-08 14:09:44,904 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-08 14:09:44,904 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-08 14:09:44,905 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-08 14:09:44,905 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-08 14:09:44,905 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-08 14:09:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-08 14:09:44,906 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-08 14:09:44,906 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-08 14:09:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-08 14:09:44,906 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-08 14:09:44,907 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread39 given in one single declaration [2020-10-08 14:09:44,907 INFO L130 BoogieDeclarations]: Found specification of procedure thread39 [2020-10-08 14:09:44,907 INFO L138 BoogieDeclarations]: Found implementation of procedure thread39 [2020-10-08 14:09:44,908 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-08 14:09:44,908 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-08 14:09:44,908 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-08 14:09:44,908 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-08 14:09:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-08 14:09:44,909 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-08 14:09:44,909 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 14:09:44,910 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 14:09:44,910 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 14:09:44,910 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 14:09:44,910 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 14:09:44,910 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 14:09:44,911 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 14:09:44,911 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 14:09:44,911 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 14:09:44,912 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 14:09:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 14:09:44,912 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 14:09:44,912 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 14:09:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 14:09:44,913 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 14:09:44,914 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 14:09:44,914 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 14:09:44,914 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 14:09:44,914 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 14:09:44,915 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 14:09:44,915 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 14:09:44,915 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 14:09:44,915 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 14:09:44,915 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 14:09:44,916 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 14:09:44,916 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 14:09:44,916 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 14:09:44,916 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-08 14:09:44,916 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-08 14:09:44,916 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-08 14:09:44,917 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-10-08 14:09:44,917 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-10-08 14:09:44,917 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-10-08 14:09:44,918 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 14:09:44,918 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 14:09:44,919 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 14:09:44,919 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-10-08 14:09:44,919 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-10-08 14:09:44,919 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-10-08 14:09:44,919 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 14:09:44,919 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 14:09:44,920 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 14:09:44,920 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 14:09:44,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 14:09:44,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 14:09:44,920 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread38 given in one single declaration [2020-10-08 14:09:44,921 INFO L130 BoogieDeclarations]: Found specification of procedure thread38 [2020-10-08 14:09:44,921 INFO L138 BoogieDeclarations]: Found implementation of procedure thread38 [2020-10-08 14:09:44,921 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-08 14:09:44,921 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-08 14:09:44,921 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-08 14:09:44,922 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread37 given in one single declaration [2020-10-08 14:09:44,922 INFO L130 BoogieDeclarations]: Found specification of procedure thread37 [2020-10-08 14:09:44,922 INFO L138 BoogieDeclarations]: Found implementation of procedure thread37 [2020-10-08 14:09:44,922 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 14:09:44,922 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 14:09:44,922 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 14:09:44,924 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-08 14:09:44,924 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-08 14:09:44,927 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-08 14:09:44,927 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 14:09:44,927 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 14:09:44,927 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 14:09:44,928 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-08 14:09:44,928 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-08 14:09:44,928 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-08 14:09:44,928 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-10-08 14:09:44,929 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-10-08 14:09:44,929 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-10-08 14:09:44,929 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 14:09:44,929 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 14:09:44,929 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 14:09:44,930 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-10-08 14:09:44,930 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-10-08 14:09:44,930 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-10-08 14:09:44,930 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 14:09:44,930 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 14:09:44,930 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 14:09:44,932 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 14:09:45,395 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 14:09:45,395 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-10-08 14:09:45,401 INFO L202 PluginConnector]: Adding new model example2_N=42.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 02:09:45 BoogieIcfgContainer [2020-10-08 14:09:45,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 14:09:45,403 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 14:09:45,403 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 14:09:45,408 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 14:09:45,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=42.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:44" (1/2) ... [2020-10-08 14:09:45,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35f41bd3 and model type example2_N=42.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 02:09:45, skipping insertion in model container [2020-10-08 14:09:45,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=42.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 02:09:45" (2/2) ... [2020-10-08 14:09:45,412 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=42.bpl [2020-10-08 14:09:45,424 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 14:09:45,424 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 14:09:45,433 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 14:09:45,434 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 14:09:46,222 INFO L253 AbstractCegarLoop]: Starting to check reachability of 43 error locations. [2020-10-08 14:09:46,244 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 14:09:46,244 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 14:09:46,244 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 14:09:46,244 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 14:09:46,244 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 14:09:46,245 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 14:09:46,245 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 14:09:46,245 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 14:09:46,265 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-08 14:09:46,268 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 341 places, 256 transitions, 848 flow [2020-10-08 14:09:46,271 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 341 places, 256 transitions, 848 flow [2020-10-08 14:09:46,273 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 341 places, 256 transitions, 848 flow [2020-10-08 14:09:46,438 INFO L129 PetriNetUnfolder]: 42/214 cut-off events. [2020-10-08 14:09:46,438 INFO L130 PetriNetUnfolder]: For 42/42 co-relation queries the response was YES. [2020-10-08 14:09:46,453 INFO L80 FinitePrefix]: Finished finitePrefix Result has 383 conditions, 214 events. 42/214 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 313 event pairs, 0 based on Foata normal form. 0/171 useless extension candidates. Maximal degree in co-relation 249. Up to 2 conditions per place. [2020-10-08 14:09:46,476 INFO L117 LiptonReduction]: Number of co-enabled transitions 25830 [2020-10-08 14:09:47,711 INFO L132 LiptonReduction]: Checked pairs total: 40877 [2020-10-08 14:09:47,712 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-08 14:09:47,718 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 339 places, 254 transitions, 844 flow Received shutdown request... [2020-10-08 14:23:15,241 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 14:23:15,244 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 14:23:15,245 INFO L202 PluginConnector]: Adding new model example2_N=42.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 02:23:15 BasicIcfg [2020-10-08 14:23:15,245 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 14:23:15,250 INFO L168 Benchmark]: Toolchain (without parser) took 810543.99 ms. Allocated memory was 252.2 MB in the beginning and 7.8 GB in the end (delta: 7.5 GB). Free memory was 226.0 MB in the beginning and 885.7 MB in the end (delta: -659.7 MB). Peak memory consumption was 8.4 GB. Max. memory is 14.2 GB. [2020-10-08 14:23:15,251 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 252.2 MB. Free memory is still 228.6 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 14:23:15,252 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.34 ms. Allocated memory is still 252.2 MB. Free memory was 226.0 MB in the beginning and 223.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 14:23:15,254 INFO L168 Benchmark]: Boogie Preprocessor took 48.76 ms. Allocated memory is still 252.2 MB. Free memory was 223.5 MB in the beginning and 221.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 14:23:15,256 INFO L168 Benchmark]: RCFGBuilder took 609.06 ms. Allocated memory is still 252.2 MB. Free memory was 221.0 MB in the beginning and 183.2 MB in the end (delta: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 14.2 GB. [2020-10-08 14:23:15,257 INFO L168 Benchmark]: TraceAbstraction took 809842.58 ms. Allocated memory was 252.2 MB in the beginning and 7.8 GB in the end (delta: 7.5 GB). Free memory was 183.2 MB in the beginning and 885.7 MB in the end (delta: -702.5 MB). Peak memory consumption was 8.3 GB. Max. memory is 14.2 GB. [2020-10-08 14:23:15,270 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 0.20 ms. Allocated memory is still 252.2 MB. Free memory is still 228.6 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 39.34 ms. Allocated memory is still 252.2 MB. Free memory was 226.0 MB in the beginning and 223.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 48.76 ms. Allocated memory is still 252.2 MB. Free memory was 223.5 MB in the beginning and 221.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 609.06 ms. Allocated memory is still 252.2 MB. Free memory was 221.0 MB in the beginning and 183.2 MB in the end (delta: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 14.2 GB. * TraceAbstraction took 809842.58 ms. Allocated memory was 252.2 MB in the beginning and 7.8 GB in the end (delta: 7.5 GB). Free memory was 183.2 MB in the beginning and 885.7 MB in the end (delta: -702.5 MB). Peak memory consumption was 8.3 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 8377 VarBasedMoverChecksPositive, 287 VarBasedMoverChecksNegative, 165 SemBasedMoverChecksPositive, 122 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.9s, 8497 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.4s, 341 PlacesBefore, 339 PlacesAfterwards, 256 TransitionsBefore, 254 TransitionsAfterwards, 25830 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 40877 MoverChecksTotal - TimeoutResultAtElement [Line: 94]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 94). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 339 places, 254 transitions, 844 flow. Already constructed 888641 states. Currently 444323 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 809.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 808.9s, 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