/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=26.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 13:42:15,409 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 13:42:15,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 13:42:15,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 13:42:15,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 13:42:15,436 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 13:42:15,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 13:42:15,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 13:42:15,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 13:42:15,441 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 13:42:15,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 13:42:15,443 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 13:42:15,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 13:42:15,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 13:42:15,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 13:42:15,446 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 13:42:15,447 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 13:42:15,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 13:42:15,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 13:42:15,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 13:42:15,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 13:42:15,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 13:42:15,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 13:42:15,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 13:42:15,459 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 13:42:15,459 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 13:42:15,459 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 13:42:15,460 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 13:42:15,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 13:42:15,461 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 13:42:15,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 13:42:15,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 13:42:15,463 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 13:42:15,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 13:42:15,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 13:42:15,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 13:42:15,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 13:42:15,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 13:42:15,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 13:42:15,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 13:42:15,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 13:42:15,468 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 13:42:15,491 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 13:42:15,491 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 13:42:15,492 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 13:42:15,493 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 13:42:15,493 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 13:42:15,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 13:42:15,493 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 13:42:15,493 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 13:42:15,494 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 13:42:15,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 13:42:15,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 13:42:15,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 13:42:15,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 13:42:15,495 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 13:42:15,495 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 13:42:15,495 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 13:42:15,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 13:42:15,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 13:42:15,495 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 13:42:15,496 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 13:42:15,496 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 13:42:15,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 13:42:15,496 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 13:42:15,496 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 13:42:15,497 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 13:42:15,497 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-08 13:42:15,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 13:42:15,497 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 13:42:15,497 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-08 13:42:15,498 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 13:42:15,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 13:42:15,788 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 13:42:15,791 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 13:42:15,793 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 13:42:15,794 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 13:42:15,794 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=26.bpl [2020-10-08 13:42:15,795 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=26.bpl' [2020-10-08 13:42:15,843 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 13:42:15,845 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 13:42:15,846 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 13:42:15,846 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 13:42:15,846 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 13:42:15,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:15" (1/1) ... [2020-10-08 13:42:15,873 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:15" (1/1) ... [2020-10-08 13:42:15,883 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 13:42:15,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 13:42:15,884 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 13:42:15,884 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 13:42:15,894 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:15" (1/1) ... [2020-10-08 13:42:15,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:15" (1/1) ... [2020-10-08 13:42:15,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:15" (1/1) ... [2020-10-08 13:42:15,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:15" (1/1) ... [2020-10-08 13:42:15,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:15" (1/1) ... [2020-10-08 13:42:15,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:15" (1/1) ... [2020-10-08 13:42:15,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:15" (1/1) ... [2020-10-08 13:42:15,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 13:42:15,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 13:42:15,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 13:42:15,921 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 13:42:15,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:15" (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 13:42:16,002 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-08 13:42:16,003 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-08 13:42:16,003 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-08 13:42:16,003 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-08 13:42:16,003 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-08 13:42:16,004 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-08 13:42:16,004 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-08 13:42:16,004 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-08 13:42:16,004 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-08 13:42:16,005 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-08 13:42:16,005 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-08 13:42:16,005 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-08 13:42:16,005 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-08 13:42:16,005 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-08 13:42:16,006 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-08 13:42:16,006 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-08 13:42:16,006 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-08 13:42:16,006 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-08 13:42:16,006 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-08 13:42:16,007 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-08 13:42:16,007 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-08 13:42:16,007 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-08 13:42:16,007 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-08 13:42:16,007 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-08 13:42:16,008 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-08 13:42:16,008 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-08 13:42:16,008 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-08 13:42:16,008 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-08 13:42:16,009 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-08 13:42:16,009 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-08 13:42:16,009 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 13:42:16,009 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 13:42:16,009 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 13:42:16,010 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 13:42:16,010 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 13:42:16,010 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 13:42:16,010 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 13:42:16,010 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 13:42:16,010 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 13:42:16,011 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 13:42:16,011 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 13:42:16,011 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 13:42:16,011 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 13:42:16,011 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 13:42:16,011 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 13:42:16,012 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 13:42:16,012 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 13:42:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 13:42:16,012 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 13:42:16,013 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 13:42:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 13:42:16,013 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 13:42:16,013 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 13:42:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 13:42:16,014 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 13:42:16,014 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 13:42:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 13:42:16,014 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 13:42:16,014 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 13:42:16,015 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 13:42:16,015 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 13:42:16,015 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 13:42:16,015 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 13:42:16,015 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 13:42:16,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 13:42:16,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 13:42:16,016 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-08 13:42:16,016 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-08 13:42:16,016 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-08 13:42:16,017 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 13:42:16,017 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 13:42:16,017 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 13:42:16,017 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 13:42:16,017 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 13:42:16,018 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 13:42:16,018 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 13:42:16,018 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 13:42:16,018 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 13:42:16,019 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 13:42:16,019 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 13:42:16,019 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 13:42:16,020 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 13:42:16,495 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 13:42:16,496 INFO L298 CfgBuilder]: Removed 26 assume(true) statements. [2020-10-08 13:42:16,498 INFO L202 PluginConnector]: Adding new model example2_N=26.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:42:16 BoogieIcfgContainer [2020-10-08 13:42:16,498 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 13:42:16,499 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 13:42:16,500 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 13:42:16,503 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 13:42:16,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:15" (1/2) ... [2020-10-08 13:42:16,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@538040cd and model type example2_N=26.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 01:42:16, skipping insertion in model container [2020-10-08 13:42:16,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=26.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:42:16" (2/2) ... [2020-10-08 13:42:16,506 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=26.bpl [2020-10-08 13:42:16,518 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 13:42:16,518 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 13:42:16,525 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 13:42:16,526 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 13:42:16,951 INFO L253 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2020-10-08 13:42:16,972 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 13:42:16,973 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 13:42:16,973 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 13:42:16,973 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 13:42:16,973 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 13:42:16,973 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 13:42:16,974 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 13:42:16,974 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 13:42:16,997 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-08 13:42:17,000 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 213 places, 160 transitions, 528 flow [2020-10-08 13:42:17,003 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 213 places, 160 transitions, 528 flow [2020-10-08 13:42:17,005 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 213 places, 160 transitions, 528 flow [2020-10-08 13:42:17,100 INFO L129 PetriNetUnfolder]: 26/134 cut-off events. [2020-10-08 13:42:17,100 INFO L130 PetriNetUnfolder]: For 26/26 co-relation queries the response was YES. [2020-10-08 13:42:17,131 INFO L80 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 134 events. 26/134 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 171 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 153. Up to 2 conditions per place. [2020-10-08 13:42:17,141 INFO L117 LiptonReduction]: Number of co-enabled transitions 9750 [2020-10-08 13:42:17,835 INFO L132 LiptonReduction]: Checked pairs total: 15325 [2020-10-08 13:42:17,835 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-08 13:42:17,842 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 211 places, 158 transitions, 524 flow Received shutdown request... [2020-10-08 13:55:54,434 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 13:55:54,437 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 13:55:54,437 INFO L202 PluginConnector]: Adding new model example2_N=26.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 01:55:54 BasicIcfg [2020-10-08 13:55:54,437 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 13:55:54,443 INFO L168 Benchmark]: Toolchain (without parser) took 818594.69 ms. Allocated memory was 248.5 MB in the beginning and 7.0 GB in the end (delta: 6.7 GB). Free memory was 222.4 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 6.0 GB. Max. memory is 14.2 GB. [2020-10-08 13:55:54,447 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 248.5 MB. Free memory is still 224.9 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 13:55:54,448 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.69 ms. Allocated memory is still 248.5 MB. Free memory is still 222.4 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 13:55:54,450 INFO L168 Benchmark]: Boogie Preprocessor took 37.22 ms. Allocated memory is still 248.5 MB. Free memory was 222.4 MB in the beginning and 219.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 13:55:54,452 INFO L168 Benchmark]: RCFGBuilder took 577.20 ms. Allocated memory is still 248.5 MB. Free memory was 219.9 MB in the beginning and 192.1 MB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 14.2 GB. [2020-10-08 13:55:54,454 INFO L168 Benchmark]: TraceAbstraction took 817937.96 ms. Allocated memory was 248.5 MB in the beginning and 7.0 GB in the end (delta: 6.7 GB). Free memory was 192.1 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 6.0 GB. Max. memory is 14.2 GB. [2020-10-08 13:55:54,465 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 0.19 ms. Allocated memory is still 248.5 MB. Free memory is still 224.9 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 37.69 ms. Allocated memory is still 248.5 MB. Free memory is still 222.4 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Preprocessor took 37.22 ms. Allocated memory is still 248.5 MB. Free memory was 222.4 MB in the beginning and 219.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 577.20 ms. Allocated memory is still 248.5 MB. Free memory was 219.9 MB in the beginning and 192.1 MB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 14.2 GB. * TraceAbstraction took 817937.96 ms. Allocated memory was 248.5 MB in the beginning and 7.0 GB in the end (delta: 6.7 GB). Free memory was 192.1 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 6.0 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 2651 VarBasedMoverChecksPositive, 125 VarBasedMoverChecksNegative, 76 SemBasedMoverChecksPositive, 49 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 2673 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.8s, 213 PlacesBefore, 211 PlacesAfterwards, 160 TransitionsBefore, 158 TransitionsAfterwards, 9750 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 15325 MoverChecksTotal - TimeoutResultAtElement [Line: 62]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 62). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 211 places, 158 transitions, 524 flow. Already constructed 788438 states. Currently 394221 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 135 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 817.4s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 817.4s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown