/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=51.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 14:23:34,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 14:23:35,001 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 14:23:35,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 14:23:35,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 14:23:35,053 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 14:23:35,055 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 14:23:35,057 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 14:23:35,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 14:23:35,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 14:23:35,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 14:23:35,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 14:23:35,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 14:23:35,071 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 14:23:35,072 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 14:23:35,073 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 14:23:35,074 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 14:23:35,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 14:23:35,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 14:23:35,078 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 14:23:35,079 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 14:23:35,080 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 14:23:35,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 14:23:35,082 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 14:23:35,084 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 14:23:35,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 14:23:35,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 14:23:35,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 14:23:35,086 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 14:23:35,087 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 14:23:35,087 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 14:23:35,087 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 14:23:35,088 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 14:23:35,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 14:23:35,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 14:23:35,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 14:23:35,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 14:23:35,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 14:23:35,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 14:23:35,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 14:23:35,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 14:23:35,093 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 14:23:35,115 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 14:23:35,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 14:23:35,116 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 14:23:35,116 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 14:23:35,117 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 14:23:35,117 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 14:23:35,117 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 14:23:35,117 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 14:23:35,117 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 14:23:35,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 14:23:35,118 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 14:23:35,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 14:23:35,118 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 14:23:35,118 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 14:23:35,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 14:23:35,119 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 14:23:35,119 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 14:23:35,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 14:23:35,119 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 14:23:35,119 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 14:23:35,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 14:23:35,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 14:23:35,120 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 14:23:35,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 14:23:35,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 14:23:35,121 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-08 14:23:35,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 14:23:35,121 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 14:23:35,121 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-08 14:23:35,121 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 14:23:35,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 14:23:35,461 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 14:23:35,465 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 14:23:35,466 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 14:23:35,467 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 14:23:35,468 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=51.bpl [2020-10-08 14:23:35,470 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=51.bpl' [2020-10-08 14:23:35,548 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 14:23:35,551 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 14:23:35,552 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 14:23:35,552 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 14:23:35,552 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 14:23:35,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:35" (1/1) ... [2020-10-08 14:23:35,602 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:35" (1/1) ... [2020-10-08 14:23:35,615 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 14:23:35,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 14:23:35,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 14:23:35,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 14:23:35,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:35" (1/1) ... [2020-10-08 14:23:35,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:35" (1/1) ... [2020-10-08 14:23:35,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:35" (1/1) ... [2020-10-08 14:23:35,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:35" (1/1) ... [2020-10-08 14:23:35,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:35" (1/1) ... [2020-10-08 14:23:35,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:35" (1/1) ... [2020-10-08 14:23:35,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:35" (1/1) ... [2020-10-08 14:23:35,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 14:23:35,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 14:23:35,712 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 14:23:35,712 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 14:23:35,713 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:35" (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 14:23:35,786 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-08 14:23:35,787 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-08 14:23:35,787 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-08 14:23:35,787 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-08 14:23:35,787 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-08 14:23:35,788 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-08 14:23:35,788 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-08 14:23:35,788 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-08 14:23:35,788 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-08 14:23:35,788 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-08 14:23:35,789 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-08 14:23:35,789 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-08 14:23:35,789 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-08 14:23:35,789 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-08 14:23:35,789 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-08 14:23:35,790 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-08 14:23:35,790 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-08 14:23:35,790 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-08 14:23:35,790 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-08 14:23:35,790 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-08 14:23:35,791 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-08 14:23:35,791 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-08 14:23:35,791 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-08 14:23:35,791 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-08 14:23:35,791 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-08 14:23:35,792 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-08 14:23:35,792 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-08 14:23:35,792 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-08 14:23:35,792 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-08 14:23:35,793 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-08 14:23:35,793 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread39 given in one single declaration [2020-10-08 14:23:35,793 INFO L130 BoogieDeclarations]: Found specification of procedure thread39 [2020-10-08 14:23:35,793 INFO L138 BoogieDeclarations]: Found implementation of procedure thread39 [2020-10-08 14:23:35,793 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 14:23:35,794 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 14:23:35,794 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 14:23:35,794 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 14:23:35,794 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 14:23:35,794 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 14:23:35,795 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 14:23:35,795 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 14:23:35,795 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 14:23:35,795 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 14:23:35,796 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 14:23:35,796 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 14:23:35,796 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 14:23:35,796 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 14:23:35,796 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 14:23:35,797 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 14:23:35,797 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 14:23:35,797 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 14:23:35,797 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 14:23:35,797 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 14:23:35,798 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 14:23:35,798 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 14:23:35,798 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 14:23:35,798 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 14:23:35,798 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 14:23:35,799 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 14:23:35,799 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 14:23:35,799 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-08 14:23:35,799 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-08 14:23:35,799 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-08 14:23:35,800 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-10-08 14:23:35,800 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-10-08 14:23:35,800 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-10-08 14:23:35,800 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-10-08 14:23:35,800 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-10-08 14:23:35,801 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-10-08 14:23:35,801 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread38 given in one single declaration [2020-10-08 14:23:35,801 INFO L130 BoogieDeclarations]: Found specification of procedure thread38 [2020-10-08 14:23:35,801 INFO L138 BoogieDeclarations]: Found implementation of procedure thread38 [2020-10-08 14:23:35,801 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread37 given in one single declaration [2020-10-08 14:23:35,802 INFO L130 BoogieDeclarations]: Found specification of procedure thread37 [2020-10-08 14:23:35,802 INFO L138 BoogieDeclarations]: Found implementation of procedure thread37 [2020-10-08 14:23:35,802 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-08 14:23:35,802 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-08 14:23:35,802 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-08 14:23:35,803 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-08 14:23:35,803 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-08 14:23:35,803 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-08 14:23:35,803 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-10-08 14:23:35,803 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-10-08 14:23:35,803 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-10-08 14:23:35,804 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-10-08 14:23:35,804 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-10-08 14:23:35,804 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-10-08 14:23:35,804 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread41 given in one single declaration [2020-10-08 14:23:35,804 INFO L130 BoogieDeclarations]: Found specification of procedure thread41 [2020-10-08 14:23:35,805 INFO L138 BoogieDeclarations]: Found implementation of procedure thread41 [2020-10-08 14:23:35,805 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread40 given in one single declaration [2020-10-08 14:23:35,805 INFO L130 BoogieDeclarations]: Found specification of procedure thread40 [2020-10-08 14:23:35,805 INFO L138 BoogieDeclarations]: Found implementation of procedure thread40 [2020-10-08 14:23:35,805 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread47 given in one single declaration [2020-10-08 14:23:35,806 INFO L130 BoogieDeclarations]: Found specification of procedure thread47 [2020-10-08 14:23:35,806 INFO L138 BoogieDeclarations]: Found implementation of procedure thread47 [2020-10-08 14:23:35,806 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread46 given in one single declaration [2020-10-08 14:23:35,806 INFO L130 BoogieDeclarations]: Found specification of procedure thread46 [2020-10-08 14:23:35,806 INFO L138 BoogieDeclarations]: Found implementation of procedure thread46 [2020-10-08 14:23:35,807 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread49 given in one single declaration [2020-10-08 14:23:35,807 INFO L130 BoogieDeclarations]: Found specification of procedure thread49 [2020-10-08 14:23:35,807 INFO L138 BoogieDeclarations]: Found implementation of procedure thread49 [2020-10-08 14:23:35,807 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread48 given in one single declaration [2020-10-08 14:23:35,807 INFO L130 BoogieDeclarations]: Found specification of procedure thread48 [2020-10-08 14:23:35,808 INFO L138 BoogieDeclarations]: Found implementation of procedure thread48 [2020-10-08 14:23:35,808 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread43 given in one single declaration [2020-10-08 14:23:35,808 INFO L130 BoogieDeclarations]: Found specification of procedure thread43 [2020-10-08 14:23:35,808 INFO L138 BoogieDeclarations]: Found implementation of procedure thread43 [2020-10-08 14:23:35,808 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread42 given in one single declaration [2020-10-08 14:23:35,809 INFO L130 BoogieDeclarations]: Found specification of procedure thread42 [2020-10-08 14:23:35,809 INFO L138 BoogieDeclarations]: Found implementation of procedure thread42 [2020-10-08 14:23:35,809 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread45 given in one single declaration [2020-10-08 14:23:35,809 INFO L130 BoogieDeclarations]: Found specification of procedure thread45 [2020-10-08 14:23:35,809 INFO L138 BoogieDeclarations]: Found implementation of procedure thread45 [2020-10-08 14:23:35,810 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread44 given in one single declaration [2020-10-08 14:23:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure thread44 [2020-10-08 14:23:35,810 INFO L138 BoogieDeclarations]: Found implementation of procedure thread44 [2020-10-08 14:23:35,810 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-08 14:23:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-08 14:23:35,811 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-08 14:23:35,811 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-08 14:23:35,811 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-08 14:23:35,811 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-08 14:23:35,811 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-08 14:23:35,811 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-08 14:23:35,812 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-08 14:23:35,812 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread50 given in one single declaration [2020-10-08 14:23:35,812 INFO L130 BoogieDeclarations]: Found specification of procedure thread50 [2020-10-08 14:23:35,812 INFO L138 BoogieDeclarations]: Found implementation of procedure thread50 [2020-10-08 14:23:35,812 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread51 given in one single declaration [2020-10-08 14:23:35,812 INFO L130 BoogieDeclarations]: Found specification of procedure thread51 [2020-10-08 14:23:35,813 INFO L138 BoogieDeclarations]: Found implementation of procedure thread51 [2020-10-08 14:23:35,813 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 14:23:35,813 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 14:23:35,813 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 14:23:35,813 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 14:23:35,814 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 14:23:35,814 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 14:23:35,814 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 14:23:35,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 14:23:35,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 14:23:35,815 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-08 14:23:35,815 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-08 14:23:35,815 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-08 14:23:35,815 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 14:23:35,816 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 14:23:35,816 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 14:23:35,816 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 14:23:35,816 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 14:23:35,816 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 14:23:35,817 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 14:23:35,817 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 14:23:35,817 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 14:23:35,817 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 14:23:35,818 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 14:23:35,818 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 14:23:35,819 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 14:23:36,347 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 14:23:36,348 INFO L298 CfgBuilder]: Removed 51 assume(true) statements. [2020-10-08 14:23:36,350 INFO L202 PluginConnector]: Adding new model example2_N=51.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 02:23:36 BoogieIcfgContainer [2020-10-08 14:23:36,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 14:23:36,352 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 14:23:36,353 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 14:23:36,356 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 14:23:36,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:35" (1/2) ... [2020-10-08 14:23:36,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48ca58fb and model type example2_N=51.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 02:23:36, skipping insertion in model container [2020-10-08 14:23:36,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=51.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 02:23:36" (2/2) ... [2020-10-08 14:23:36,360 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=51.bpl [2020-10-08 14:23:36,372 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 14:23:36,372 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 14:23:36,380 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 14:23:36,381 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 14:23:37,461 INFO L253 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2020-10-08 14:23:37,484 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 14:23:37,484 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 14:23:37,484 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 14:23:37,484 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 14:23:37,485 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 14:23:37,485 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 14:23:37,485 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 14:23:37,485 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 14:23:37,512 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-08 14:23:37,515 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 413 places, 310 transitions, 1028 flow [2020-10-08 14:23:37,518 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 413 places, 310 transitions, 1028 flow [2020-10-08 14:23:37,520 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 413 places, 310 transitions, 1028 flow [2020-10-08 14:23:37,802 INFO L129 PetriNetUnfolder]: 51/259 cut-off events. [2020-10-08 14:23:37,802 INFO L130 PetriNetUnfolder]: For 51/51 co-relation queries the response was YES. [2020-10-08 14:23:37,833 INFO L80 FinitePrefix]: Finished finitePrefix Result has 464 conditions, 259 events. 51/259 cut-off events. For 51/51 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 355 event pairs, 0 based on Foata normal form. 0/207 useless extension candidates. Maximal degree in co-relation 303. Up to 2 conditions per place. [2020-10-08 14:23:37,874 INFO L117 LiptonReduction]: Number of co-enabled transitions 38250 [2020-10-08 14:23:39,015 INFO L132 LiptonReduction]: Checked pairs total: 60650 [2020-10-08 14:23:39,016 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-08 14:23:39,023 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 411 places, 308 transitions, 1024 flow Received shutdown request... [2020-10-08 14:37:02,797 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 14:37:02,806 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 14:37:02,807 INFO L202 PluginConnector]: Adding new model example2_N=51.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 02:37:02 BasicIcfg [2020-10-08 14:37:02,807 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 14:37:02,810 INFO L168 Benchmark]: Toolchain (without parser) took 807259.06 ms. Allocated memory was 251.1 MB in the beginning and 9.5 GB in the end (delta: 9.3 GB). Free memory was 225.0 MB in the beginning and 3.0 GB in the end (delta: -2.7 GB). Peak memory consumption was 8.1 GB. Max. memory is 14.2 GB. [2020-10-08 14:37:02,811 INFO L168 Benchmark]: Boogie PL CUP Parser took 1.47 ms. Allocated memory is still 251.1 MB. Free memory is still 227.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 14:37:02,812 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.40 ms. Allocated memory is still 251.1 MB. Free memory was 225.0 MB in the beginning and 222.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 14:37:02,813 INFO L168 Benchmark]: Boogie Preprocessor took 95.42 ms. Allocated memory is still 251.1 MB. Free memory was 222.5 MB in the beginning and 220.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 14:37:02,814 INFO L168 Benchmark]: RCFGBuilder took 639.35 ms. Allocated memory is still 251.1 MB. Free memory was 220.0 MB in the beginning and 174.6 MB in the end (delta: 45.3 MB). Peak memory consumption was 45.3 MB. Max. memory is 14.2 GB. [2020-10-08 14:37:02,815 INFO L168 Benchmark]: TraceAbstraction took 806454.67 ms. Allocated memory was 251.1 MB in the beginning and 9.5 GB in the end (delta: 9.3 GB). Free memory was 174.6 MB in the beginning and 3.0 GB in the end (delta: -2.8 GB). Peak memory consumption was 8.1 GB. Max. memory is 14.2 GB. [2020-10-08 14:37:02,820 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 1.47 ms. Allocated memory is still 251.1 MB. Free memory is still 227.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 63.40 ms. Allocated memory is still 251.1 MB. Free memory was 225.0 MB in the beginning and 222.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 95.42 ms. Allocated memory is still 251.1 MB. Free memory was 222.5 MB in the beginning and 220.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 639.35 ms. Allocated memory is still 251.1 MB. Free memory was 220.0 MB in the beginning and 174.6 MB in the end (delta: 45.3 MB). Peak memory consumption was 45.3 MB. Max. memory is 14.2 GB. * TraceAbstraction took 806454.67 ms. Allocated memory was 251.1 MB in the beginning and 9.5 GB in the end (delta: 9.3 GB). Free memory was 174.6 MB in the beginning and 3.0 GB in the end (delta: -2.8 GB). Peak memory consumption was 8.1 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 10301 VarBasedMoverChecksPositive, 250 VarBasedMoverChecksNegative, 151 SemBasedMoverChecksPositive, 99 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.8s, 10348 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.4s, 413 PlacesBefore, 411 PlacesAfterwards, 310 TransitionsBefore, 308 TransitionsAfterwards, 38250 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 60650 MoverChecksTotal - TimeoutResultAtElement [Line: 112]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 112). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 411 places, 308 transitions, 1024 flow. Already constructed 899448 states. Currently 449739 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 52 procedures, 260 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 805.3s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 805.3s, 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