/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=32.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-50b6972 [2020-10-06 18:54:06,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 18:54:06,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 18:54:06,725 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 18:54:06,725 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 18:54:06,726 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 18:54:06,727 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 18:54:06,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 18:54:06,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 18:54:06,731 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 18:54:06,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 18:54:06,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 18:54:06,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 18:54:06,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 18:54:06,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 18:54:06,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 18:54:06,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 18:54:06,740 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 18:54:06,742 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 18:54:06,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 18:54:06,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 18:54:06,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 18:54:06,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 18:54:06,751 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 18:54:06,754 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 18:54:06,754 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 18:54:06,754 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 18:54:06,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 18:54:06,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 18:54:06,756 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 18:54:06,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 18:54:06,757 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 18:54:06,758 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 18:54:06,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 18:54:06,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 18:54:06,759 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 18:54:06,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 18:54:06,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 18:54:06,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 18:54:06,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 18:54:06,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 18:54:06,763 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 [2020-10-06 18:54:06,788 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 18:54:06,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 18:54:06,790 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 18:54:06,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 18:54:06,790 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 18:54:06,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 18:54:06,791 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 18:54:06,791 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 18:54:06,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 18:54:06,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 18:54:06,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 18:54:06,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 18:54:06,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 18:54:06,792 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 18:54:06,792 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 18:54:06,792 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 18:54:06,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 18:54:06,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 18:54:06,793 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 18:54:06,793 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 18:54:06,793 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 18:54:06,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 18:54:06,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 18:54:06,794 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-06 18:54:06,794 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 18:54:06,794 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 18:54:06,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 18:54:06,795 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 18:54:06,795 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-06 18:54:06,795 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-06 18:54:07,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 18:54:07,100 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 18:54:07,103 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 18:54:07,105 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-06 18:54:07,105 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-06 18:54:07,106 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=32.bpl [2020-10-06 18:54:07,108 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=32.bpl' [2020-10-06 18:54:07,177 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 18:54:07,179 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-06 18:54:07,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 18:54:07,180 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 18:54:07,180 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 18:54:07,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:54:07" (1/1) ... [2020-10-06 18:54:07,219 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:54:07" (1/1) ... [2020-10-06 18:54:07,231 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 18:54:07,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 18:54:07,233 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 18:54:07,233 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 18:54:07,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:54:07" (1/1) ... [2020-10-06 18:54:07,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:54:07" (1/1) ... [2020-10-06 18:54:07,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:54:07" (1/1) ... [2020-10-06 18:54:07,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:54:07" (1/1) ... [2020-10-06 18:54:07,281 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:54:07" (1/1) ... [2020-10-06 18:54:07,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:54:07" (1/1) ... [2020-10-06 18:54:07,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:54:07" (1/1) ... [2020-10-06 18:54:07,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 18:54:07,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 18:54:07,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 18:54:07,318 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 18:54:07,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:54:07" (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 [2020-10-06 18:54:07,413 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-06 18:54:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-06 18:54:07,414 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-06 18:54:07,415 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-06 18:54:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-06 18:54:07,415 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-06 18:54:07,416 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-06 18:54:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-06 18:54:07,416 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-06 18:54:07,416 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-06 18:54:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-06 18:54:07,417 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-06 18:54:07,417 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-06 18:54:07,417 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-06 18:54:07,417 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-06 18:54:07,417 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-06 18:54:07,418 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-06 18:54:07,418 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-06 18:54:07,418 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-06 18:54:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-06 18:54:07,419 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-06 18:54:07,420 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-06 18:54:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-06 18:54:07,421 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-06 18:54:07,428 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-06 18:54:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-06 18:54:07,429 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-06 18:54:07,430 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-06 18:54:07,430 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-06 18:54:07,430 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-06 18:54:07,431 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-06 18:54:07,431 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-06 18:54:07,431 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-06 18:54:07,431 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-06 18:54:07,432 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-06 18:54:07,432 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-06 18:54:07,432 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-06 18:54:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-06 18:54:07,433 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-06 18:54:07,433 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-06 18:54:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-06 18:54:07,433 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-06 18:54:07,434 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-06 18:54:07,434 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-06 18:54:07,434 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-06 18:54:07,434 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-06 18:54:07,435 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-06 18:54:07,435 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-06 18:54:07,435 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-06 18:54:07,435 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-06 18:54:07,436 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-06 18:54:07,436 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-06 18:54:07,436 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-06 18:54:07,436 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-06 18:54:07,437 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-06 18:54:07,437 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-06 18:54:07,437 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-06 18:54:07,437 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-06 18:54:07,437 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-06 18:54:07,438 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-06 18:54:07,438 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-06 18:54:07,438 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-06 18:54:07,439 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-06 18:54:07,439 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-06 18:54:07,439 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-06 18:54:07,439 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-06 18:54:07,440 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-06 18:54:07,440 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-06 18:54:07,441 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-06 18:54:07,441 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-06 18:54:07,441 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-06 18:54:07,441 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-06 18:54:07,441 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-06 18:54:07,442 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-06 18:54:07,442 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-06 18:54:07,442 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-06 18:54:07,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 18:54:07,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 18:54:07,443 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-06 18:54:07,443 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-06 18:54:07,443 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-06 18:54:07,443 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-06 18:54:07,444 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-06 18:54:07,444 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-06 18:54:07,444 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-06 18:54:07,445 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-06 18:54:07,445 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-06 18:54:07,446 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-06 18:54:07,446 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-06 18:54:07,446 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-06 18:54:07,446 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-06 18:54:07,446 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-06 18:54:07,446 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-06 18:54:07,447 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-06 18:54:07,447 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-06 18:54:07,447 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-06 18:54:07,447 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-06 18:54:07,447 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-06 18:54:07,447 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-06 18:54:07,449 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-06 18:54:07,821 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 18:54:07,821 INFO L298 CfgBuilder]: Removed 32 assume(true) statements. [2020-10-06 18:54:07,823 INFO L202 PluginConnector]: Adding new model example2_N=32.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:54:07 BoogieIcfgContainer [2020-10-06 18:54:07,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 18:54:07,825 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 18:54:07,825 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 18:54:07,828 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 18:54:07,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:54:07" (1/2) ... [2020-10-06 18:54:07,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63909343 and model type example2_N=32.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 06:54:07, skipping insertion in model container [2020-10-06 18:54:07,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:54:07" (2/2) ... [2020-10-06 18:54:07,832 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=32.bpl [2020-10-06 18:54:07,843 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 18:54:07,844 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-06 18:54:07,851 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 18:54:07,852 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 18:54:08,541 INFO L253 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2020-10-06 18:54:08,563 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-06 18:54:08,563 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-06 18:54:08,563 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-06 18:54:08,564 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-06 18:54:08,564 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 18:54:08,564 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-06 18:54:08,564 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 18:54:08,564 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 18:54:08,589 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-06 18:54:08,594 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 261 places, 196 transitions, 648 flow [2020-10-06 18:54:08,597 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 261 places, 196 transitions, 648 flow [2020-10-06 18:54:08,600 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 261 places, 196 transitions, 648 flow [2020-10-06 18:54:08,711 INFO L129 PetriNetUnfolder]: 32/164 cut-off events. [2020-10-06 18:54:08,712 INFO L130 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2020-10-06 18:54:08,734 INFO L80 FinitePrefix]: Finished finitePrefix Result has 293 conditions, 164 events. 32/164 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 225 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 189. Up to 2 conditions per place. [2020-10-06 18:54:08,747 INFO L117 LiptonReduction]: Number of co-enabled transitions 14880 [2020-10-06 18:54:09,533 INFO L132 LiptonReduction]: Checked pairs total: 23467 [2020-10-06 18:54:09,534 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-06 18:54:09,541 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 259 places, 194 transitions, 644 flow Received shutdown request... [2020-10-06 19:07:35,142 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-06 19:07:35,146 WARN L235 ceAbstractionStarter]: Timeout [2020-10-06 19:07:35,146 INFO L202 PluginConnector]: Adding new model example2_N=32.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 07:07:35 BasicIcfg [2020-10-06 19:07:35,146 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 19:07:35,152 INFO L168 Benchmark]: Toolchain (without parser) took 807970.32 ms. Allocated memory was 251.1 MB in the beginning and 8.2 GB in the end (delta: 7.9 GB). Free memory was 225.0 MB in the beginning and 2.3 GB in the end (delta: -2.1 GB). Peak memory consumption was 7.2 GB. Max. memory is 14.2 GB. [2020-10-06 19:07:35,154 INFO L168 Benchmark]: Boogie PL CUP Parser took 1.35 ms. Allocated memory is still 251.1 MB. Free memory is still 227.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 19:07:35,156 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.09 ms. Allocated memory is still 251.1 MB. Free memory is still 225.0 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 19:07:35,157 INFO L168 Benchmark]: Boogie Preprocessor took 84.81 ms. Allocated memory is still 251.1 MB. Free memory was 225.0 MB in the beginning and 222.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 19:07:35,159 INFO L168 Benchmark]: RCFGBuilder took 506.17 ms. Allocated memory is still 251.1 MB. Free memory was 222.5 MB in the beginning and 189.7 MB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 14.2 GB. [2020-10-06 19:07:35,160 INFO L168 Benchmark]: TraceAbstraction took 807322.20 ms. Allocated memory was 251.1 MB in the beginning and 8.2 GB in the end (delta: 7.9 GB). Free memory was 189.7 MB in the beginning and 2.3 GB in the end (delta: -2.1 GB). Peak memory consumption was 7.2 GB. Max. memory is 14.2 GB. [2020-10-06 19:07:35,172 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 1.35 ms. Allocated memory is still 251.1 MB. Free memory is still 227.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 52.09 ms. Allocated memory is still 251.1 MB. Free memory is still 225.0 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Preprocessor took 84.81 ms. Allocated memory is still 251.1 MB. Free memory was 225.0 MB in the beginning and 222.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 506.17 ms. Allocated memory is still 251.1 MB. Free memory was 222.5 MB in the beginning and 189.7 MB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 14.2 GB. * TraceAbstraction took 807322.20 ms. Allocated memory was 251.1 MB in the beginning and 8.2 GB in the end (delta: 7.9 GB). Free memory was 189.7 MB in the beginning and 2.3 GB in the end (delta: -2.1 GB). Peak memory consumption was 7.2 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 4031 VarBasedMoverChecksPositive, 155 VarBasedMoverChecksNegative, 93 SemBasedMoverChecksPositive, 62 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 4060 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.9s, 261 PlacesBefore, 259 PlacesAfterwards, 196 TransitionsBefore, 194 TransitionsAfterwards, 14880 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 23467 MoverChecksTotal - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 74). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 259 places, 194 transitions, 644 flow. Already constructed 879281 states. Currently 439641 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 33 procedures, 165 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 806.5s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 806.5s, 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