/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/automizer/concurrent/VMCAI2021_FA.epf -i ../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=28.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 15:21:49,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 15:21:49,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 15:21:49,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 15:21:49,050 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 15:21:49,051 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 15:21:49,052 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 15:21:49,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 15:21:49,056 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 15:21:49,057 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 15:21:49,057 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 15:21:49,059 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 15:21:49,059 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 15:21:49,060 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 15:21:49,061 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 15:21:49,062 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 15:21:49,063 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 15:21:49,064 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 15:21:49,065 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 15:21:49,067 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 15:21:49,069 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 15:21:49,070 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 15:21:49,071 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 15:21:49,072 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 15:21:49,074 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 15:21:49,075 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 15:21:49,075 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 15:21:49,076 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 15:21:49,076 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 15:21:49,077 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 15:21:49,077 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 15:21:49,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 15:21:49,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 15:21:49,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 15:21:49,080 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 15:21:49,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 15:21:49,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 15:21:49,082 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 15:21:49,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 15:21:49,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 15:21:49,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 15:21:49,084 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_FA.epf [2020-10-08 15:21:49,118 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 15:21:49,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 15:21:49,120 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 15:21:49,120 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 15:21:49,120 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 15:21:49,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 15:21:49,121 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 15:21:49,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 15:21:49,123 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 15:21:49,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 15:21:49,124 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 15:21:49,124 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 15:21:49,125 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 15:21:49,125 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 15:21:49,125 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 15:21:49,125 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 15:21:49,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 15:21:49,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 15:21:49,126 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 15:21:49,126 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 15:21:49,127 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 15:21:49,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 15:21:49,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 15:21:49,127 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 15:21:49,127 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 15:21:49,128 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-10-08 15:21:49,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 15:21:49,128 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-10-08 15:21:49,128 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 15:21:49,128 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 15:21:49,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 15:21:49,459 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 15:21:49,463 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 15:21:49,464 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 15:21:49,465 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 15:21:49,466 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=28.bpl [2020-10-08 15:21:49,466 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=28.bpl' [2020-10-08 15:21:49,527 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 15:21:49,530 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 15:21:49,530 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 15:21:49,530 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 15:21:49,531 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 15:21:49,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:21:49" (1/1) ... [2020-10-08 15:21:49,559 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:21:49" (1/1) ... [2020-10-08 15:21:49,569 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 15:21:49,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 15:21:49,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 15:21:49,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 15:21:49,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:21:49" (1/1) ... [2020-10-08 15:21:49,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:21:49" (1/1) ... [2020-10-08 15:21:49,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:21:49" (1/1) ... [2020-10-08 15:21:49,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:21:49" (1/1) ... [2020-10-08 15:21:49,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:21:49" (1/1) ... [2020-10-08 15:21:49,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:21:49" (1/1) ... [2020-10-08 15:21:49,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:21:49" (1/1) ... [2020-10-08 15:21:49,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 15:21:49,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 15:21:49,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 15:21:49,612 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 15:21:49,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:21:49" (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 15:21:49,687 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-08 15:21:49,687 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-08 15:21:49,689 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-08 15:21:49,690 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-08 15:21:49,690 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-08 15:21:49,690 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-08 15:21:49,693 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-08 15:21:49,693 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-08 15:21:49,693 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-08 15:21:49,694 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-08 15:21:49,694 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-08 15:21:49,694 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-08 15:21:49,694 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-08 15:21:49,694 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-08 15:21:49,695 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-08 15:21:49,695 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-08 15:21:49,696 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-08 15:21:49,696 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-08 15:21:49,696 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-08 15:21:49,696 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-08 15:21:49,696 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-08 15:21:49,697 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-08 15:21:49,698 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-08 15:21:49,698 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-08 15:21:49,705 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-08 15:21:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-08 15:21:49,706 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-08 15:21:49,707 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-08 15:21:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-08 15:21:49,708 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-08 15:21:49,708 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-08 15:21:49,708 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-08 15:21:49,708 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-08 15:21:49,709 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-08 15:21:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-08 15:21:49,710 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-08 15:21:49,710 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 15:21:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 15:21:49,710 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 15:21:49,711 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 15:21:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 15:21:49,711 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 15:21:49,711 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 15:21:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 15:21:49,712 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 15:21:49,712 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 15:21:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 15:21:49,713 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 15:21:49,713 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 15:21:49,713 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 15:21:49,714 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 15:21:49,714 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 15:21:49,714 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 15:21:49,714 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 15:21:49,715 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 15:21:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 15:21:49,715 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 15:21:49,716 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 15:21:49,716 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 15:21:49,716 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 15:21:49,717 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 15:21:49,717 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 15:21:49,717 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 15:21:49,717 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 15:21:49,717 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 15:21:49,718 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 15:21:49,719 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 15:21:49,719 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 15:21:49,719 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 15:21:49,720 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 15:21:49,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 15:21:49,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 15:21:49,720 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-08 15:21:49,721 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-08 15:21:49,721 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-08 15:21:49,722 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 15:21:49,722 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 15:21:49,723 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 15:21:49,723 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 15:21:49,723 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 15:21:49,723 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 15:21:49,724 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 15:21:49,724 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 15:21:49,724 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 15:21:49,725 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 15:21:49,726 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 15:21:49,726 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 15:21:49,728 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 15:21:50,201 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 15:21:50,201 INFO L298 CfgBuilder]: Removed 28 assume(true) statements. [2020-10-08 15:21:50,208 INFO L202 PluginConnector]: Adding new model example2_N=28.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 03:21:50 BoogieIcfgContainer [2020-10-08 15:21:50,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 15:21:50,209 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 15:21:50,209 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 15:21:50,214 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 15:21:50,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:21:49" (1/2) ... [2020-10-08 15:21:50,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@547ce040 and model type example2_N=28.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 03:21:50, skipping insertion in model container [2020-10-08 15:21:50,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=28.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 03:21:50" (2/2) ... [2020-10-08 15:21:50,219 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=28.bpl [2020-10-08 15:21:50,229 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 15:21:50,229 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 15:21:50,235 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 15:21:50,237 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 15:21:50,804 INFO L253 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2020-10-08 15:21:50,826 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 15:21:50,826 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 15:21:50,826 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 15:21:50,827 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 15:21:50,827 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 15:21:50,827 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 15:21:50,827 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 15:21:50,827 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 15:21:50,847 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 229 places, 172 transitions, 568 flow Received shutdown request... [2020-10-08 15:35:06,694 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 15:35:06,699 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 15:35:06,699 INFO L202 PluginConnector]: Adding new model example2_N=28.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 03:35:06 BasicIcfg [2020-10-08 15:35:06,699 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 15:35:06,704 INFO L168 Benchmark]: Toolchain (without parser) took 797172.31 ms. Allocated memory was 251.1 MB in the beginning and 8.0 GB in the end (delta: 7.7 GB). Free memory was 225.0 MB in the beginning and 2.8 GB in the end (delta: -2.6 GB). Peak memory consumption was 6.8 GB. Max. memory is 14.2 GB. [2020-10-08 15:35:06,706 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.48 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 15:35:06,707 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.34 ms. Allocated memory is still 251.1 MB. Free memory is still 225.0 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 15:35:06,709 INFO L168 Benchmark]: Boogie Preprocessor took 41.13 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 15:35:06,711 INFO L168 Benchmark]: RCFGBuilder took 596.96 ms. Allocated memory is still 251.1 MB. Free memory was 222.5 MB in the beginning and 192.2 MB in the end (delta: 30.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 14.2 GB. [2020-10-08 15:35:06,713 INFO L168 Benchmark]: TraceAbstraction took 796490.30 ms. Allocated memory was 251.1 MB in the beginning and 8.0 GB in the end (delta: 7.7 GB). Free memory was 192.2 MB in the beginning and 2.8 GB in the end (delta: -2.6 GB). Peak memory consumption was 6.7 GB. Max. memory is 14.2 GB. [2020-10-08 15:35:06,725 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 0.48 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 39.34 ms. Allocated memory is still 251.1 MB. Free memory is still 225.0 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Preprocessor took 41.13 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. * RCFGBuilder took 596.96 ms. Allocated memory is still 251.1 MB. Free memory was 222.5 MB in the beginning and 192.2 MB in the end (delta: 30.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 14.2 GB. * TraceAbstraction took 796490.30 ms. Allocated memory was 251.1 MB in the beginning and 8.0 GB in the end (delta: 7.7 GB). Free memory was 192.2 MB in the beginning and 2.8 GB in the end (delta: -2.6 GB). Peak memory consumption was 6.7 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 66]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 66). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 229 places, 172 transitions, 568 flow. Already constructed 888039 states. Currently 444023 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 145 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 795.8s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 795.8s, 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