/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=26.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 15:21:41,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 15:21:41,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 15:21:41,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 15:21:41,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 15:21:41,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 15:21:41,767 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 15:21:41,771 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 15:21:41,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 15:21:41,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 15:21:41,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 15:21:41,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 15:21:41,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 15:21:41,783 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 15:21:41,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 15:21:41,787 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 15:21:41,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 15:21:41,790 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 15:21:41,791 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 15:21:41,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 15:21:41,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 15:21:41,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 15:21:41,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 15:21:41,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 15:21:41,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 15:21:41,818 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 15:21:41,819 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 15:21:41,819 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 15:21:41,820 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 15:21:41,823 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 15:21:41,824 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 15:21:41,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 15:21:41,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 15:21:41,826 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 15:21:41,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 15:21:41,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 15:21:41,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 15:21:41,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 15:21:41,828 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 15:21:41,830 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 15:21:41,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 15:21:41,834 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 15:21:41,872 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 15:21:41,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 15:21:41,874 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 15:21:41,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 15:21:41,875 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 15:21:41,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 15:21:41,875 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 15:21:41,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 15:21:41,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 15:21:41,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 15:21:41,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 15:21:41,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 15:21:41,878 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 15:21:41,878 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 15:21:41,878 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 15:21:41,879 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 15:21:41,879 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 15:21:41,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 15:21:41,879 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 15:21:41,879 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 15:21:41,880 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 15:21:41,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 15:21:41,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 15:21:41,880 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 15:21:41,880 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 15:21:41,880 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-10-08 15:21:41,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 15:21:41,881 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-10-08 15:21:41,881 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 15:21:41,881 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 15:21:42,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 15:21:42,212 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 15:21:42,216 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 15:21:42,217 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 15:21:42,218 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 15:21:42,218 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=26.bpl [2020-10-08 15:21:42,219 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=26.bpl' [2020-10-08 15:21:42,271 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 15:21:42,273 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 15:21:42,274 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 15:21:42,274 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 15:21:42,274 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 15:21:42,291 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 03:21:42" (1/1) ... [2020-10-08 15:21:42,302 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 03:21:42" (1/1) ... [2020-10-08 15:21:42,312 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 15:21:42,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 15:21:42,313 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 15:21:42,313 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 15:21:42,324 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 03:21:42" (1/1) ... [2020-10-08 15:21:42,325 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 03:21:42" (1/1) ... [2020-10-08 15:21:42,327 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 03:21:42" (1/1) ... [2020-10-08 15:21:42,328 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 03:21:42" (1/1) ... [2020-10-08 15:21:42,336 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 03:21:42" (1/1) ... [2020-10-08 15:21:42,345 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 03:21:42" (1/1) ... [2020-10-08 15:21:42,348 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 03:21:42" (1/1) ... [2020-10-08 15:21:42,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 15:21:42,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 15:21:42,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 15:21:42,353 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 15:21:42,354 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 03:21:42" (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 15:21:42,433 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-08 15:21:42,433 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-08 15:21:42,435 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-08 15:21:42,435 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-08 15:21:42,435 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-08 15:21:42,436 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-08 15:21:42,438 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-08 15:21:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-08 15:21:42,439 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-08 15:21:42,440 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-08 15:21:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-08 15:21:42,441 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-08 15:21:42,441 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-08 15:21:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-08 15:21:42,441 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-08 15:21:42,441 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-08 15:21:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-08 15:21:42,442 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-08 15:21:42,442 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-08 15:21:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-08 15:21:42,443 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-08 15:21:42,443 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-08 15:21:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-08 15:21:42,444 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-08 15:21:42,451 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-08 15:21:42,452 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-08 15:21:42,452 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-08 15:21:42,453 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-08 15:21:42,454 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-08 15:21:42,454 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-08 15:21:42,454 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 15:21:42,454 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 15:21:42,454 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 15:21:42,455 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 15:21:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 15:21:42,456 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 15:21:42,456 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 15:21:42,456 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 15:21:42,456 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 15:21:42,457 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 15:21:42,457 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 15:21:42,457 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 15:21:42,457 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 15:21:42,457 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 15:21:42,458 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 15:21:42,458 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 15:21:42,459 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 15:21:42,459 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 15:21:42,459 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 15:21:42,460 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 15:21:42,460 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 15:21:42,460 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 15:21:42,460 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 15:21:42,461 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 15:21:42,461 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 15:21:42,461 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 15:21:42,462 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 15:21:42,462 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 15:21:42,462 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 15:21:42,463 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 15:21:42,463 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 15:21:42,463 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 15:21:42,463 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 15:21:42,463 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 15:21:42,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 15:21:42,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 15:21:42,465 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-08 15:21:42,465 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-08 15:21:42,465 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-08 15:21:42,465 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 15:21:42,466 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 15:21:42,466 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 15:21:42,466 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 15:21:42,467 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 15:21:42,467 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 15:21:42,467 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 15:21:42,467 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 15:21:42,467 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 15:21:42,468 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 15:21:42,468 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 15:21:42,468 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 15:21:42,470 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 15:21:42,834 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 15:21:42,835 INFO L298 CfgBuilder]: Removed 26 assume(true) statements. [2020-10-08 15:21:42,837 INFO L202 PluginConnector]: Adding new model example2_N=26.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 03:21:42 BoogieIcfgContainer [2020-10-08 15:21:42,838 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 15:21:42,839 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 15:21:42,839 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 15:21:42,842 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 15:21:42,843 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 03:21:42" (1/2) ... [2020-10-08 15:21:42,844 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 03:21:42, skipping insertion in model container [2020-10-08 15:21:42,844 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 03:21:42" (2/2) ... [2020-10-08 15:21:42,846 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=26.bpl [2020-10-08 15:21:42,859 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 15:21:42,859 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 15:21:42,867 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 15:21:42,868 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 15:21:43,336 INFO L253 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2020-10-08 15:21:43,360 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 15:21:43,360 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 15:21:43,360 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 15:21:43,360 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 15:21:43,361 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 15:21:43,361 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 15:21:43,361 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 15:21:43,361 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 15:21:43,386 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 213 places, 160 transitions, 528 flow Received shutdown request... [2020-10-08 15:34:58,289 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 15:34:58,294 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 15:34:58,300 INFO L202 PluginConnector]: Adding new model example2_N=26.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 03:34:58 BasicIcfg [2020-10-08 15:34:58,301 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 15:34:58,305 INFO L168 Benchmark]: Toolchain (without parser) took 796030.12 ms. Allocated memory was 255.3 MB in the beginning and 8.2 GB in the end (delta: 7.9 GB). Free memory was 229.2 MB in the beginning and 2.4 GB in the end (delta: -2.1 GB). Peak memory consumption was 6.9 GB. Max. memory is 14.2 GB. [2020-10-08 15:34:58,307 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 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 15:34:58,308 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.01 ms. Allocated memory is still 255.3 MB. Free memory is still 229.2 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 15:34:58,310 INFO L168 Benchmark]: Boogie Preprocessor took 39.60 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 15:34:58,312 INFO L168 Benchmark]: RCFGBuilder took 484.98 ms. Allocated memory is still 255.3 MB. Free memory was 226.7 MB in the beginning and 199.0 MB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 14.2 GB. [2020-10-08 15:34:58,314 INFO L168 Benchmark]: TraceAbstraction took 795461.72 ms. Allocated memory was 255.3 MB in the beginning and 8.2 GB in the end (delta: 7.9 GB). Free memory was 199.0 MB in the beginning and 2.4 GB in the end (delta: -2.2 GB). Peak memory consumption was 6.9 GB. Max. memory is 14.2 GB. [2020-10-08 15:34:58,325 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 0.23 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 39.01 ms. Allocated memory is still 255.3 MB. Free memory is still 229.2 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Preprocessor took 39.60 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. * RCFGBuilder took 484.98 ms. Allocated memory is still 255.3 MB. Free memory was 226.7 MB in the beginning and 199.0 MB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 14.2 GB. * TraceAbstraction took 795461.72 ms. Allocated memory was 255.3 MB in the beginning and 8.2 GB in the end (delta: 7.9 GB). Free memory was 199.0 MB in the beginning and 2.4 GB in the end (delta: -2.2 GB). Peak memory consumption was 6.9 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 213 places, 160 transitions, 528 flow. Already constructed 854004 states. Currently 427006 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 135 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 794.9s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 794.9s, 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