/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=28.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-50b6972 [2020-10-06 18:49:34,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 18:49:34,732 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 18:49:34,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 18:49:34,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 18:49:34,777 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 18:49:34,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 18:49:34,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 18:49:34,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 18:49:34,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 18:49:34,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 18:49:34,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 18:49:34,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 18:49:34,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 18:49:34,795 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 18:49:34,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 18:49:34,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 18:49:34,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 18:49:34,801 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 18:49:34,803 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 18:49:34,804 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 18:49:34,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 18:49:34,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 18:49:34,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 18:49:34,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 18:49:34,822 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 18:49:34,822 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 18:49:34,827 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 18:49:34,828 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 18:49:34,829 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 18:49:34,829 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 18:49:34,829 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 18:49:34,832 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 18:49:34,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 18:49:34,837 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 18:49:34,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 18:49:34,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 18:49:34,838 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 18:49:34,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 18:49:34,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 18:49:34,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 18:49:34,842 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 18:49:34,873 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 18:49:34,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 18:49:34,875 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 18:49:34,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 18:49:34,875 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 18:49:34,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 18:49:34,875 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 18:49:34,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 18:49:34,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 18:49:34,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 18:49:34,876 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 18:49:34,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 18:49:34,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 18:49:34,877 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 18:49:34,877 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 18:49:34,877 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 18:49:34,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 18:49:34,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 18:49:34,878 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 18:49:34,878 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 18:49:34,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 18:49:34,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 18:49:34,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 18:49:34,879 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-06 18:49:34,879 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 18:49:34,879 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 18:49:34,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 18:49:34,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 18:49:34,880 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-06 18:49:34,880 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-06 18:49:35,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 18:49:35,182 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 18:49:35,186 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 18:49:35,187 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-06 18:49:35,188 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-06 18:49:35,189 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=28.bpl [2020-10-06 18:49:35,190 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=28.bpl' [2020-10-06 18:49:35,246 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 18:49:35,248 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-06 18:49:35,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 18:49:35,248 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 18:49:35,249 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 18:49:35,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:35" (1/1) ... [2020-10-06 18:49:35,277 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:35" (1/1) ... [2020-10-06 18:49:35,287 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 18:49:35,288 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 18:49:35,288 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 18:49:35,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 18:49:35,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:35" (1/1) ... [2020-10-06 18:49:35,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:35" (1/1) ... [2020-10-06 18:49:35,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:35" (1/1) ... [2020-10-06 18:49:35,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:35" (1/1) ... [2020-10-06 18:49:35,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:35" (1/1) ... [2020-10-06 18:49:35,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:35" (1/1) ... [2020-10-06 18:49:35,326 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:35" (1/1) ... [2020-10-06 18:49:35,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 18:49:35,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 18:49:35,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 18:49:35,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 18:49:35,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:35" (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 18:49:35,436 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-06 18:49:35,437 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-06 18:49:35,438 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-06 18:49:35,438 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-06 18:49:35,439 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-06 18:49:35,439 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-06 18:49:35,439 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-06 18:49:35,439 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-06 18:49:35,439 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-06 18:49:35,440 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-06 18:49:35,440 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-06 18:49:35,440 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-06 18:49:35,440 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-06 18:49:35,440 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-06 18:49:35,440 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-06 18:49:35,441 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-06 18:49:35,441 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-06 18:49:35,441 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-06 18:49:35,441 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-06 18:49:35,442 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-06 18:49:35,442 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-06 18:49:35,443 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-06 18:49:35,443 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-06 18:49:35,443 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-06 18:49:35,450 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-06 18:49:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-06 18:49:35,451 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-06 18:49:35,453 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-06 18:49:35,453 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-06 18:49:35,453 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-06 18:49:35,454 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-06 18:49:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-06 18:49:35,454 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-06 18:49:35,455 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-06 18:49:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-06 18:49:35,456 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-06 18:49:35,456 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-06 18:49:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-06 18:49:35,456 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-06 18:49:35,457 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-06 18:49:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-06 18:49:35,457 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-06 18:49:35,457 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-06 18:49:35,458 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-06 18:49:35,458 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-06 18:49:35,458 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-06 18:49:35,459 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-06 18:49:35,459 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-06 18:49:35,459 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-06 18:49:35,459 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-06 18:49:35,460 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-06 18:49:35,460 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-06 18:49:35,460 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-06 18:49:35,460 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-06 18:49:35,460 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-06 18:49:35,461 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-06 18:49:35,461 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-06 18:49:35,461 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-06 18:49:35,461 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-06 18:49:35,462 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-06 18:49:35,462 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-06 18:49:35,462 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-06 18:49:35,462 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-06 18:49:35,462 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-06 18:49:35,462 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-06 18:49:35,463 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-06 18:49:35,463 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-06 18:49:35,464 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-06 18:49:35,464 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-06 18:49:35,464 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-06 18:49:35,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 18:49:35,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 18:49:35,465 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-06 18:49:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-06 18:49:35,466 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-06 18:49:35,466 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-06 18:49:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-06 18:49:35,466 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-06 18:49:35,467 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-06 18:49:35,467 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-06 18:49:35,467 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-06 18:49:35,467 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-06 18:49:35,467 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-06 18:49:35,467 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-06 18:49:35,468 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-06 18:49:35,469 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-06 18:49:35,469 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-06 18:49:35,470 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-06 18:49:35,828 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 18:49:35,829 INFO L298 CfgBuilder]: Removed 28 assume(true) statements. [2020-10-06 18:49:35,831 INFO L202 PluginConnector]: Adding new model example2_N=28.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:49:35 BoogieIcfgContainer [2020-10-06 18:49:35,831 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 18:49:35,832 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 18:49:35,832 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 18:49:35,836 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 18:49:35,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:35" (1/2) ... [2020-10-06 18:49:35,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ffe301c and model type example2_N=28.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 06:49:35, skipping insertion in model container [2020-10-06 18:49:35,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=28.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:49:35" (2/2) ... [2020-10-06 18:49:35,839 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=28.bpl [2020-10-06 18:49:35,851 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 18:49:35,851 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-06 18:49:35,858 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 18:49:35,859 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 18:49:36,397 INFO L253 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2020-10-06 18:49:36,420 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-06 18:49:36,420 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-06 18:49:36,420 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-06 18:49:36,420 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-06 18:49:36,420 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 18:49:36,421 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-06 18:49:36,421 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 18:49:36,421 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 18:49:36,442 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-06 18:49:36,445 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 229 places, 172 transitions, 568 flow [2020-10-06 18:49:36,447 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 229 places, 172 transitions, 568 flow [2020-10-06 18:49:36,449 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 229 places, 172 transitions, 568 flow [2020-10-06 18:49:36,563 INFO L129 PetriNetUnfolder]: 28/144 cut-off events. [2020-10-06 18:49:36,564 INFO L130 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2020-10-06 18:49:36,574 INFO L80 FinitePrefix]: Finished finitePrefix Result has 257 conditions, 144 events. 28/144 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 215 event pairs, 0 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 165. Up to 2 conditions per place. [2020-10-06 18:49:36,589 INFO L117 LiptonReduction]: Number of co-enabled transitions 11340 [2020-10-06 18:49:37,455 INFO L132 LiptonReduction]: Checked pairs total: 17847 [2020-10-06 18:49:37,455 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-06 18:49:37,464 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 227 places, 170 transitions, 564 flow Received shutdown request... [2020-10-06 19:03:10,140 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-06 19:03:10,143 WARN L235 ceAbstractionStarter]: Timeout [2020-10-06 19:03:10,144 INFO L202 PluginConnector]: Adding new model example2_N=28.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 07:03:10 BasicIcfg [2020-10-06 19:03:10,144 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 19:03:10,147 INFO L168 Benchmark]: Toolchain (without parser) took 814898.41 ms. Allocated memory was 253.2 MB in the beginning and 7.2 GB in the end (delta: 7.0 GB). Free memory was 224.6 MB in the beginning and 2.7 GB in the end (delta: -2.5 GB). Peak memory consumption was 6.2 GB. Max. memory is 14.2 GB. [2020-10-06 19:03:10,148 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.99 ms. Allocated memory is still 253.2 MB. Free memory is still 227.1 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 19:03:10,156 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.08 ms. Allocated memory is still 253.2 MB. Free memory is still 224.6 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 19:03:10,159 INFO L168 Benchmark]: Boogie Preprocessor took 45.04 ms. Allocated memory is still 253.2 MB. Free memory was 224.6 MB in the beginning and 222.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 19:03:10,161 INFO L168 Benchmark]: RCFGBuilder took 498.17 ms. Allocated memory is still 253.2 MB. Free memory was 222.1 MB in the beginning and 191.7 MB in the end (delta: 30.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 14.2 GB. [2020-10-06 19:03:10,162 INFO L168 Benchmark]: TraceAbstraction took 814311.71 ms. Allocated memory was 253.2 MB in the beginning and 7.2 GB in the end (delta: 7.0 GB). Free memory was 191.7 MB in the beginning and 2.7 GB in the end (delta: -2.5 GB). Peak memory consumption was 6.2 GB. Max. memory is 14.2 GB. [2020-10-06 19:03:10,171 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 0.99 ms. Allocated memory is still 253.2 MB. Free memory is still 227.1 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 39.08 ms. Allocated memory is still 253.2 MB. Free memory is still 224.6 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Preprocessor took 45.04 ms. Allocated memory is still 253.2 MB. Free memory was 224.6 MB in the beginning and 222.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 498.17 ms. Allocated memory is still 253.2 MB. Free memory was 222.1 MB in the beginning and 191.7 MB in the end (delta: 30.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 14.2 GB. * TraceAbstraction took 814311.71 ms. Allocated memory was 253.2 MB in the beginning and 7.2 GB in the end (delta: 7.0 GB). Free memory was 191.7 MB in the beginning and 2.7 GB in the end (delta: -2.5 GB). Peak memory consumption was 6.2 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 3835 VarBasedMoverChecksPositive, 189 VarBasedMoverChecksNegative, 109 SemBasedMoverChecksPositive, 80 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 3913 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.0s, 229 PlacesBefore, 227 PlacesAfterwards, 172 TransitionsBefore, 170 TransitionsAfterwards, 11340 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 17847 MoverChecksTotal - TimeoutResultAtElement [Line: 66]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 66). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 227 places, 170 transitions, 564 flow. Already constructed 782142 states. Currently 391077 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 145 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 813.7s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 813.7s, 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