/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=31.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 15:22:30,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 15:22:30,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 15:22:30,605 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 15:22:30,606 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 15:22:30,607 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 15:22:30,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 15:22:30,610 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 15:22:30,611 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 15:22:30,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 15:22:30,613 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 15:22:30,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 15:22:30,615 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 15:22:30,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 15:22:30,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 15:22:30,618 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 15:22:30,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 15:22:30,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 15:22:30,621 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 15:22:30,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 15:22:30,624 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 15:22:30,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 15:22:30,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 15:22:30,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 15:22:30,630 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 15:22:30,630 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 15:22:30,630 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 15:22:30,631 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 15:22:30,632 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 15:22:30,633 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 15:22:30,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 15:22:30,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 15:22:30,634 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 15:22:30,635 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 15:22:30,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 15:22:30,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 15:22:30,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 15:22:30,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 15:22:30,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 15:22:30,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 15:22:30,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 15:22:30,640 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 15:22:30,663 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 15:22:30,663 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 15:22:30,664 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 15:22:30,664 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 15:22:30,664 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 15:22:30,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 15:22:30,668 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 15:22:30,668 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 15:22:30,668 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 15:22:30,669 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 15:22:30,669 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 15:22:30,669 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 15:22:30,669 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 15:22:30,669 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 15:22:30,670 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 15:22:30,670 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 15:22:30,670 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 15:22:30,670 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 15:22:30,670 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 15:22:30,670 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 15:22:30,671 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 15:22:30,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 15:22:30,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 15:22:30,674 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 15:22:30,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 15:22:30,675 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-10-08 15:22:30,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 15:22:30,675 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-10-08 15:22:30,675 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 15:22:30,676 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 15:22:31,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 15:22:31,021 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 15:22:31,025 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 15:22:31,026 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 15:22:31,026 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 15:22:31,027 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=31.bpl [2020-10-08 15:22:31,028 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=31.bpl' [2020-10-08 15:22:31,078 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 15:22:31,080 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 15:22:31,080 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 15:22:31,080 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 15:22:31,080 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 15:22:31,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:22:31" (1/1) ... [2020-10-08 15:22:31,105 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:22:31" (1/1) ... [2020-10-08 15:22:31,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 15:22:31,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 15:22:31,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 15:22:31,117 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 15:22:31,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:22:31" (1/1) ... [2020-10-08 15:22:31,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:22:31" (1/1) ... [2020-10-08 15:22:31,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:22:31" (1/1) ... [2020-10-08 15:22:31,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:22:31" (1/1) ... [2020-10-08 15:22:31,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:22:31" (1/1) ... [2020-10-08 15:22:31,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:22:31" (1/1) ... [2020-10-08 15:22:31,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:22:31" (1/1) ... [2020-10-08 15:22:31,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 15:22:31,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 15:22:31,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 15:22:31,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 15:22:31,159 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:22:31" (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 15:22:31,237 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-08 15:22:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-08 15:22:31,238 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-08 15:22:31,238 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-08 15:22:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-08 15:22:31,238 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-08 15:22:31,238 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-08 15:22:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-08 15:22:31,239 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-08 15:22:31,239 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-08 15:22:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-08 15:22:31,239 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-08 15:22:31,240 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-08 15:22:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-08 15:22:31,240 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-08 15:22:31,240 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-08 15:22:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-08 15:22:31,241 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-08 15:22:31,241 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-08 15:22:31,241 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-08 15:22:31,241 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-08 15:22:31,241 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-08 15:22:31,241 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-08 15:22:31,242 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-08 15:22:31,242 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-08 15:22:31,242 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-08 15:22:31,242 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-08 15:22:31,243 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-08 15:22:31,243 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-08 15:22:31,243 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-08 15:22:31,243 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-08 15:22:31,243 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-08 15:22:31,243 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-08 15:22:31,244 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-08 15:22:31,244 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-08 15:22:31,244 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-08 15:22:31,244 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-08 15:22:31,244 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-08 15:22:31,245 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-08 15:22:31,245 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 15:22:31,245 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 15:22:31,245 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 15:22:31,245 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 15:22:31,245 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 15:22:31,246 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 15:22:31,246 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 15:22:31,246 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 15:22:31,246 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 15:22:31,246 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 15:22:31,247 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 15:22:31,247 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 15:22:31,247 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 15:22:31,247 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 15:22:31,247 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 15:22:31,248 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 15:22:31,248 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 15:22:31,248 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 15:22:31,248 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 15:22:31,248 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 15:22:31,248 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 15:22:31,249 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 15:22:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 15:22:31,249 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 15:22:31,249 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 15:22:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 15:22:31,250 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 15:22:31,250 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-08 15:22:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-08 15:22:31,250 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-08 15:22:31,250 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 15:22:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 15:22:31,251 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 15:22:31,251 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 15:22:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 15:22:31,251 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 15:22:31,252 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 15:22:31,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 15:22:31,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 15:22:31,252 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-08 15:22:31,252 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-08 15:22:31,253 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-08 15:22:31,253 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 15:22:31,253 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 15:22:31,253 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 15:22:31,253 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 15:22:31,254 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 15:22:31,254 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 15:22:31,254 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-08 15:22:31,254 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-08 15:22:31,254 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-08 15:22:31,255 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 15:22:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 15:22:31,255 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 15:22:31,255 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 15:22:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 15:22:31,255 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 15:22:31,257 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 15:22:31,792 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 15:22:31,792 INFO L298 CfgBuilder]: Removed 31 assume(true) statements. [2020-10-08 15:22:31,794 INFO L202 PluginConnector]: Adding new model example2_N=31.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 03:22:31 BoogieIcfgContainer [2020-10-08 15:22:31,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 15:22:31,796 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 15:22:31,796 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 15:22:31,800 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 15:22:31,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:22:31" (1/2) ... [2020-10-08 15:22:31,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51066f62 and model type example2_N=31.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 03:22:31, skipping insertion in model container [2020-10-08 15:22:31,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 03:22:31" (2/2) ... [2020-10-08 15:22:31,804 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=31.bpl [2020-10-08 15:22:31,816 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 15:22:31,816 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 15:22:31,825 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 15:22:31,826 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 15:22:32,314 INFO L253 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2020-10-08 15:22:32,337 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 15:22:32,337 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 15:22:32,338 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 15:22:32,338 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 15:22:32,338 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 15:22:32,338 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 15:22:32,338 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 15:22:32,338 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 15:22:32,365 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 253 places, 190 transitions, 628 flow Received shutdown request... [2020-10-08 15:35:49,150 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 15:35:49,159 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 15:35:49,160 INFO L202 PluginConnector]: Adding new model example2_N=31.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 03:35:49 BasicIcfg [2020-10-08 15:35:49,160 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 15:35:49,163 INFO L168 Benchmark]: Toolchain (without parser) took 798082.26 ms. Allocated memory was 251.7 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 227.2 MB in the beginning and 1.8 GB in the end (delta: -1.5 GB). Peak memory consumption was 6.9 GB. Max. memory is 14.2 GB. [2020-10-08 15:35:49,165 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 251.7 MB. Free memory is still 228.9 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 15:35:49,167 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.90 ms. Allocated memory is still 251.7 MB. Free memory was 227.2 MB in the beginning and 225.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-08 15:35:49,169 INFO L168 Benchmark]: Boogie Preprocessor took 41.58 ms. Allocated memory is still 251.7 MB. Free memory was 225.5 MB in the beginning and 223.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 15:35:49,170 INFO L168 Benchmark]: RCFGBuilder took 636.51 ms. Allocated memory is still 251.7 MB. Free memory was 223.0 MB in the beginning and 192.7 MB in the end (delta: 30.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 14.2 GB. [2020-10-08 15:35:49,172 INFO L168 Benchmark]: TraceAbstraction took 797364.13 ms. Allocated memory was 251.7 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 191.8 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 6.9 GB. Max. memory is 14.2 GB. [2020-10-08 15:35:49,184 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 0.22 ms. Allocated memory is still 251.7 MB. Free memory is still 228.9 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 35.90 ms. Allocated memory is still 251.7 MB. Free memory was 227.2 MB in the beginning and 225.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 41.58 ms. Allocated memory is still 251.7 MB. Free memory was 225.5 MB in the beginning and 223.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 636.51 ms. Allocated memory is still 251.7 MB. Free memory was 223.0 MB in the beginning and 192.7 MB in the end (delta: 30.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 14.2 GB. * TraceAbstraction took 797364.13 ms. Allocated memory was 251.7 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 191.8 MB in the beginning and 1.8 GB in the end (delta: -1.6 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: 72]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 72). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 253 places, 190 transitions, 628 flow. Already constructed 900429 states. Currently 450224 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 160 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 796.8s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 796.8s, 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