/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=52.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 14:24:34,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 14:24:34,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 14:24:34,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 14:24:34,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 14:24:34,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 14:24:34,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 14:24:35,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 14:24:35,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 14:24:35,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 14:24:35,007 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 14:24:35,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 14:24:35,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 14:24:35,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 14:24:35,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 14:24:35,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 14:24:35,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 14:24:35,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 14:24:35,019 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 14:24:35,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 14:24:35,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 14:24:35,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 14:24:35,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 14:24:35,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 14:24:35,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 14:24:35,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 14:24:35,044 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 14:24:35,045 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 14:24:35,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 14:24:35,046 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 14:24:35,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 14:24:35,048 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 14:24:35,048 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 14:24:35,049 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 14:24:35,050 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 14:24:35,050 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 14:24:35,051 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 14:24:35,051 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 14:24:35,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 14:24:35,058 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 14:24:35,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 14:24:35,059 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 14:24:35,102 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 14:24:35,103 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 14:24:35,104 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 14:24:35,104 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 14:24:35,104 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 14:24:35,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 14:24:35,105 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 14:24:35,105 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 14:24:35,106 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 14:24:35,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 14:24:35,107 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 14:24:35,107 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 14:24:35,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 14:24:35,108 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 14:24:35,108 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 14:24:35,108 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 14:24:35,108 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 14:24:35,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 14:24:35,109 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 14:24:35,109 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 14:24:35,109 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 14:24:35,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 14:24:35,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 14:24:35,110 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 14:24:35,110 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 14:24:35,110 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-08 14:24:35,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 14:24:35,111 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 14:24:35,111 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-08 14:24:35,111 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 14:24:35,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 14:24:35,448 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 14:24:35,452 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 14:24:35,454 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 14:24:35,454 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 14:24:35,455 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=52.bpl [2020-10-08 14:24:35,456 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=52.bpl' [2020-10-08 14:24:35,535 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 14:24:35,537 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 14:24:35,538 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 14:24:35,538 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 14:24:35,538 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 14:24:35,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=52.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:24:35" (1/1) ... [2020-10-08 14:24:35,585 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=52.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:24:35" (1/1) ... [2020-10-08 14:24:35,601 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 14:24:35,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 14:24:35,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 14:24:35,602 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 14:24:35,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=52.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:24:35" (1/1) ... [2020-10-08 14:24:35,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=52.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:24:35" (1/1) ... [2020-10-08 14:24:35,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=52.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:24:35" (1/1) ... [2020-10-08 14:24:35,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=52.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:24:35" (1/1) ... [2020-10-08 14:24:35,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=52.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:24:35" (1/1) ... [2020-10-08 14:24:35,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=52.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:24:35" (1/1) ... [2020-10-08 14:24:35,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=52.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:24:35" (1/1) ... [2020-10-08 14:24:35,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 14:24:35,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 14:24:35,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 14:24:35,697 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 14:24:35,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=52.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:24:35" (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 14:24:35,785 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-08 14:24:35,786 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-08 14:24:35,787 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-08 14:24:35,788 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-08 14:24:35,788 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-08 14:24:35,788 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-08 14:24:35,788 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-08 14:24:35,788 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-08 14:24:35,789 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-08 14:24:35,789 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-08 14:24:35,789 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-08 14:24:35,789 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-08 14:24:35,789 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-08 14:24:35,789 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-08 14:24:35,790 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-08 14:24:35,790 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-08 14:24:35,790 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-08 14:24:35,790 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-08 14:24:35,791 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-08 14:24:35,791 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-08 14:24:35,792 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-08 14:24:35,792 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-08 14:24:35,792 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-08 14:24:35,793 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-08 14:24:35,793 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-08 14:24:35,794 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-08 14:24:35,794 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-08 14:24:35,795 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-08 14:24:35,795 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-08 14:24:35,795 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-08 14:24:35,796 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread39 given in one single declaration [2020-10-08 14:24:35,796 INFO L130 BoogieDeclarations]: Found specification of procedure thread39 [2020-10-08 14:24:35,796 INFO L138 BoogieDeclarations]: Found implementation of procedure thread39 [2020-10-08 14:24:35,796 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 14:24:35,797 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 14:24:35,797 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 14:24:35,797 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 14:24:35,798 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 14:24:35,798 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 14:24:35,798 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 14:24:35,798 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 14:24:35,798 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 14:24:35,799 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 14:24:35,799 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 14:24:35,799 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 14:24:35,799 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 14:24:35,800 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 14:24:35,800 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 14:24:35,800 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 14:24:35,800 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 14:24:35,800 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 14:24:35,800 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 14:24:35,801 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 14:24:35,801 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 14:24:35,801 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 14:24:35,801 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 14:24:35,802 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 14:24:35,802 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 14:24:35,802 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 14:24:35,803 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 14:24:35,803 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-08 14:24:35,803 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-08 14:24:35,803 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-08 14:24:35,803 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-10-08 14:24:35,804 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-10-08 14:24:35,804 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-10-08 14:24:35,805 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-10-08 14:24:35,805 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-10-08 14:24:35,805 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-10-08 14:24:35,805 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread38 given in one single declaration [2020-10-08 14:24:35,805 INFO L130 BoogieDeclarations]: Found specification of procedure thread38 [2020-10-08 14:24:35,806 INFO L138 BoogieDeclarations]: Found implementation of procedure thread38 [2020-10-08 14:24:35,806 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread37 given in one single declaration [2020-10-08 14:24:35,806 INFO L130 BoogieDeclarations]: Found specification of procedure thread37 [2020-10-08 14:24:35,806 INFO L138 BoogieDeclarations]: Found implementation of procedure thread37 [2020-10-08 14:24:35,806 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-08 14:24:35,807 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-08 14:24:35,807 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-08 14:24:35,807 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-08 14:24:35,807 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-08 14:24:35,807 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-08 14:24:35,807 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-10-08 14:24:35,808 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-10-08 14:24:35,808 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-10-08 14:24:35,808 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-10-08 14:24:35,809 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-10-08 14:24:35,809 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-10-08 14:24:35,809 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread41 given in one single declaration [2020-10-08 14:24:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure thread41 [2020-10-08 14:24:35,810 INFO L138 BoogieDeclarations]: Found implementation of procedure thread41 [2020-10-08 14:24:35,810 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread40 given in one single declaration [2020-10-08 14:24:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure thread40 [2020-10-08 14:24:35,810 INFO L138 BoogieDeclarations]: Found implementation of procedure thread40 [2020-10-08 14:24:35,810 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread47 given in one single declaration [2020-10-08 14:24:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure thread47 [2020-10-08 14:24:35,811 INFO L138 BoogieDeclarations]: Found implementation of procedure thread47 [2020-10-08 14:24:35,811 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread46 given in one single declaration [2020-10-08 14:24:35,811 INFO L130 BoogieDeclarations]: Found specification of procedure thread46 [2020-10-08 14:24:35,811 INFO L138 BoogieDeclarations]: Found implementation of procedure thread46 [2020-10-08 14:24:35,811 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread49 given in one single declaration [2020-10-08 14:24:35,812 INFO L130 BoogieDeclarations]: Found specification of procedure thread49 [2020-10-08 14:24:35,812 INFO L138 BoogieDeclarations]: Found implementation of procedure thread49 [2020-10-08 14:24:35,812 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread48 given in one single declaration [2020-10-08 14:24:35,812 INFO L130 BoogieDeclarations]: Found specification of procedure thread48 [2020-10-08 14:24:35,812 INFO L138 BoogieDeclarations]: Found implementation of procedure thread48 [2020-10-08 14:24:35,813 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread43 given in one single declaration [2020-10-08 14:24:35,813 INFO L130 BoogieDeclarations]: Found specification of procedure thread43 [2020-10-08 14:24:35,813 INFO L138 BoogieDeclarations]: Found implementation of procedure thread43 [2020-10-08 14:24:35,814 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread42 given in one single declaration [2020-10-08 14:24:35,814 INFO L130 BoogieDeclarations]: Found specification of procedure thread42 [2020-10-08 14:24:35,817 INFO L138 BoogieDeclarations]: Found implementation of procedure thread42 [2020-10-08 14:24:35,817 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread45 given in one single declaration [2020-10-08 14:24:35,817 INFO L130 BoogieDeclarations]: Found specification of procedure thread45 [2020-10-08 14:24:35,817 INFO L138 BoogieDeclarations]: Found implementation of procedure thread45 [2020-10-08 14:24:35,818 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread44 given in one single declaration [2020-10-08 14:24:35,818 INFO L130 BoogieDeclarations]: Found specification of procedure thread44 [2020-10-08 14:24:35,818 INFO L138 BoogieDeclarations]: Found implementation of procedure thread44 [2020-10-08 14:24:35,818 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-08 14:24:35,818 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-08 14:24:35,819 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-08 14:24:35,819 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-08 14:24:35,819 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-08 14:24:35,819 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-08 14:24:35,819 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-08 14:24:35,819 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-08 14:24:35,820 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-08 14:24:35,820 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread50 given in one single declaration [2020-10-08 14:24:35,820 INFO L130 BoogieDeclarations]: Found specification of procedure thread50 [2020-10-08 14:24:35,820 INFO L138 BoogieDeclarations]: Found implementation of procedure thread50 [2020-10-08 14:24:35,821 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread52 given in one single declaration [2020-10-08 14:24:35,821 INFO L130 BoogieDeclarations]: Found specification of procedure thread52 [2020-10-08 14:24:35,822 INFO L138 BoogieDeclarations]: Found implementation of procedure thread52 [2020-10-08 14:24:35,822 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread51 given in one single declaration [2020-10-08 14:24:35,822 INFO L130 BoogieDeclarations]: Found specification of procedure thread51 [2020-10-08 14:24:35,822 INFO L138 BoogieDeclarations]: Found implementation of procedure thread51 [2020-10-08 14:24:35,823 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 14:24:35,824 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 14:24:35,824 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 14:24:35,824 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 14:24:35,824 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 14:24:35,824 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 14:24:35,825 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 14:24:35,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 14:24:35,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 14:24:35,826 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-08 14:24:35,827 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-08 14:24:35,827 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-08 14:24:35,827 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 14:24:35,827 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 14:24:35,828 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 14:24:35,829 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 14:24:35,832 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 14:24:35,833 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 14:24:35,833 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 14:24:35,833 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 14:24:35,839 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 14:24:35,839 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 14:24:35,839 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 14:24:35,839 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 14:24:35,842 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 14:24:36,363 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 14:24:36,364 INFO L298 CfgBuilder]: Removed 52 assume(true) statements. [2020-10-08 14:24:36,366 INFO L202 PluginConnector]: Adding new model example2_N=52.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 02:24:36 BoogieIcfgContainer [2020-10-08 14:24:36,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 14:24:36,368 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 14:24:36,368 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 14:24:36,371 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 14:24:36,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=52.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:24:35" (1/2) ... [2020-10-08 14:24:36,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@627759b and model type example2_N=52.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 02:24:36, skipping insertion in model container [2020-10-08 14:24:36,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=52.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 02:24:36" (2/2) ... [2020-10-08 14:24:36,374 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=52.bpl [2020-10-08 14:24:36,385 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 14:24:36,386 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 14:24:36,393 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 14:24:36,394 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 14:24:37,493 INFO L253 AbstractCegarLoop]: Starting to check reachability of 53 error locations. [2020-10-08 14:24:37,516 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 14:24:37,516 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 14:24:37,516 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 14:24:37,516 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 14:24:37,516 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 14:24:37,517 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 14:24:37,517 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 14:24:37,517 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 14:24:37,544 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-08 14:24:37,547 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 421 places, 316 transitions, 1048 flow [2020-10-08 14:24:37,549 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 421 places, 316 transitions, 1048 flow [2020-10-08 14:24:37,551 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 421 places, 316 transitions, 1048 flow [2020-10-08 14:24:37,793 INFO L129 PetriNetUnfolder]: 52/264 cut-off events. [2020-10-08 14:24:37,794 INFO L130 PetriNetUnfolder]: For 52/52 co-relation queries the response was YES. [2020-10-08 14:24:37,821 INFO L80 FinitePrefix]: Finished finitePrefix Result has 473 conditions, 264 events. 52/264 cut-off events. For 52/52 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 353 event pairs, 0 based on Foata normal form. 0/211 useless extension candidates. Maximal degree in co-relation 309. Up to 2 conditions per place. [2020-10-08 14:24:37,859 INFO L117 LiptonReduction]: Number of co-enabled transitions 39780 [2020-10-08 14:24:39,069 INFO L132 LiptonReduction]: Checked pairs total: 63087 [2020-10-08 14:24:39,070 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-08 14:24:39,077 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 419 places, 314 transitions, 1044 flow Received shutdown request... [2020-10-08 14:37:59,439 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 14:37:59,442 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 14:37:59,442 INFO L202 PluginConnector]: Adding new model example2_N=52.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 02:37:59 BasicIcfg [2020-10-08 14:37:59,442 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 14:37:59,445 INFO L168 Benchmark]: Toolchain (without parser) took 803907.73 ms. Allocated memory was 255.3 MB in the beginning and 9.5 GB in the end (delta: 9.3 GB). Free memory was 229.2 MB in the beginning and 2.9 GB in the end (delta: -2.7 GB). Peak memory consumption was 8.2 GB. Max. memory is 14.2 GB. [2020-10-08 14:37:59,445 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.41 ms. Allocated memory is still 255.3 MB. Free memory is still 231.7 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 14:37:59,456 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.54 ms. Allocated memory is still 255.3 MB. Free memory was 229.2 MB in the beginning and 226.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 14:37:59,458 INFO L168 Benchmark]: Boogie Preprocessor took 94.08 ms. Allocated memory is still 255.3 MB. Free memory was 226.7 MB in the beginning and 224.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 14:37:59,460 INFO L168 Benchmark]: RCFGBuilder took 670.08 ms. Allocated memory is still 255.3 MB. Free memory was 224.1 MB in the beginning and 178.8 MB in the end (delta: 45.4 MB). Peak memory consumption was 45.4 MB. Max. memory is 14.2 GB. [2020-10-08 14:37:59,462 INFO L168 Benchmark]: TraceAbstraction took 803074.68 ms. Allocated memory was 255.3 MB in the beginning and 9.5 GB in the end (delta: 9.3 GB). Free memory was 178.8 MB in the beginning and 2.9 GB in the end (delta: -2.8 GB). Peak memory consumption was 8.1 GB. Max. memory is 14.2 GB. [2020-10-08 14:37:59,471 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 0.41 ms. Allocated memory is still 255.3 MB. Free memory is still 231.7 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 63.54 ms. Allocated memory is still 255.3 MB. Free memory was 229.2 MB in the beginning and 226.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 94.08 ms. Allocated memory is still 255.3 MB. Free memory was 226.7 MB in the beginning and 224.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 670.08 ms. Allocated memory is still 255.3 MB. Free memory was 224.1 MB in the beginning and 178.8 MB in the end (delta: 45.4 MB). Peak memory consumption was 45.4 MB. Max. memory is 14.2 GB. * TraceAbstraction took 803074.68 ms. Allocated memory was 255.3 MB in the beginning and 9.5 GB in the end (delta: 9.3 GB). Free memory was 178.8 MB in the beginning and 2.9 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 10711 VarBasedMoverChecksPositive, 255 VarBasedMoverChecksNegative, 154 SemBasedMoverChecksPositive, 101 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.8s, 10759 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.5s, 421 PlacesBefore, 419 PlacesAfterwards, 316 TransitionsBefore, 314 TransitionsAfterwards, 39780 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 63087 MoverChecksTotal - TimeoutResultAtElement [Line: 114]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 114). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 419 places, 314 transitions, 1044 flow. Already constructed 888118 states. Currently 444124 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 53 procedures, 265 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 801.9s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 801.9s, 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