/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=30.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 13:42:37,768 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 13:42:37,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 13:42:37,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 13:42:37,812 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 13:42:37,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 13:42:37,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 13:42:37,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 13:42:37,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 13:42:37,833 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 13:42:37,834 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 13:42:37,835 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 13:42:37,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 13:42:37,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 13:42:37,840 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 13:42:37,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 13:42:37,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 13:42:37,844 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 13:42:37,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 13:42:37,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 13:42:37,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 13:42:37,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 13:42:37,858 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 13:42:37,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 13:42:37,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 13:42:37,872 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 13:42:37,872 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 13:42:37,875 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 13:42:37,875 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 13:42:37,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 13:42:37,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 13:42:37,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 13:42:37,881 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 13:42:37,884 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 13:42:37,885 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 13:42:37,885 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 13:42:37,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 13:42:37,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 13:42:37,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 13:42:37,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 13:42:37,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 13:42:37,893 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-08 13:42:37,929 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 13:42:37,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 13:42:37,931 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 13:42:37,932 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 13:42:37,932 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 13:42:37,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 13:42:37,933 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 13:42:37,933 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 13:42:37,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 13:42:37,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 13:42:37,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 13:42:37,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 13:42:37,934 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 13:42:37,935 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 13:42:37,935 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 13:42:37,935 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 13:42:37,935 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 13:42:37,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 13:42:37,936 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 13:42:37,936 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 13:42:37,936 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 13:42:37,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 13:42:37,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 13:42:37,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 13:42:37,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 13:42:37,937 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-08 13:42:37,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 13:42:37,937 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 13:42:37,938 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-08 13:42:37,938 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 13:42:38,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 13:42:38,251 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 13:42:38,254 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 13:42:38,256 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 13:42:38,257 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 13:42:38,257 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=30.bpl [2020-10-08 13:42:38,258 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=30.bpl' [2020-10-08 13:42:38,309 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 13:42:38,311 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 13:42:38,312 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 13:42:38,312 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 13:42:38,312 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 13:42:38,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:38" (1/1) ... [2020-10-08 13:42:38,342 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:38" (1/1) ... [2020-10-08 13:42:38,352 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 13:42:38,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 13:42:38,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 13:42:38,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 13:42:38,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:38" (1/1) ... [2020-10-08 13:42:38,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:38" (1/1) ... [2020-10-08 13:42:38,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:38" (1/1) ... [2020-10-08 13:42:38,367 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:38" (1/1) ... [2020-10-08 13:42:38,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:38" (1/1) ... [2020-10-08 13:42:38,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:38" (1/1) ... [2020-10-08 13:42:38,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:38" (1/1) ... [2020-10-08 13:42:38,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 13:42:38,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 13:42:38,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 13:42:38,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 13:42:38,396 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 13:42:38,490 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-08 13:42:38,490 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-08 13:42:38,492 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-08 13:42:38,492 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-08 13:42:38,492 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-08 13:42:38,493 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-08 13:42:38,495 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-08 13:42:38,495 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-08 13:42:38,496 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-08 13:42:38,496 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-08 13:42:38,496 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-08 13:42:38,496 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-08 13:42:38,496 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-08 13:42:38,497 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-08 13:42:38,497 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-08 13:42:38,497 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-08 13:42:38,497 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-08 13:42:38,497 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-08 13:42:38,498 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-08 13:42:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-08 13:42:38,499 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-08 13:42:38,499 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-08 13:42:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-08 13:42:38,500 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-08 13:42:38,507 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-08 13:42:38,508 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-08 13:42:38,509 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-08 13:42:38,510 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-08 13:42:38,510 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-08 13:42:38,510 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-08 13:42:38,510 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-08 13:42:38,510 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-08 13:42:38,511 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-08 13:42:38,511 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-08 13:42:38,512 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-08 13:42:38,512 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-08 13:42:38,512 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-08 13:42:38,512 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-08 13:42:38,512 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-08 13:42:38,513 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 13:42:38,513 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 13:42:38,513 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 13:42:38,513 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 13:42:38,513 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 13:42:38,514 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 13:42:38,514 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 13:42:38,514 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 13:42:38,515 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 13:42:38,515 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 13:42:38,515 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 13:42:38,515 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 13:42:38,516 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 13:42:38,516 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 13:42:38,516 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 13:42:38,516 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 13:42:38,516 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 13:42:38,517 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 13:42:38,517 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 13:42:38,517 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 13:42:38,518 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 13:42:38,518 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 13:42:38,518 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 13:42:38,518 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 13:42:38,518 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 13:42:38,519 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 13:42:38,519 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 13:42:38,520 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-08 13:42:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-08 13:42:38,520 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-08 13:42:38,520 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 13:42:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 13:42:38,521 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 13:42:38,521 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 13:42:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 13:42:38,522 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 13:42:38,522 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 13:42:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 13:42:38,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 13:42:38,522 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-08 13:42:38,523 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-08 13:42:38,523 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-08 13:42:38,523 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 13:42:38,523 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 13:42:38,523 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 13:42:38,524 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 13:42:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 13:42:38,525 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 13:42:38,525 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 13:42:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 13:42:38,526 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 13:42:38,526 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 13:42:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 13:42:38,526 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 13:42:38,527 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-08 13:42:38,908 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 13:42:38,908 INFO L298 CfgBuilder]: Removed 30 assume(true) statements. [2020-10-08 13:42:38,911 INFO L202 PluginConnector]: Adding new model example2_N=30.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:42:38 BoogieIcfgContainer [2020-10-08 13:42:38,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 13:42:38,912 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 13:42:38,912 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 13:42:38,916 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 13:42:38,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:38" (1/2) ... [2020-10-08 13:42:38,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12d8570a and model type example2_N=30.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 01:42:38, skipping insertion in model container [2020-10-08 13:42:38,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=30.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:42:38" (2/2) ... [2020-10-08 13:42:38,919 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=30.bpl [2020-10-08 13:42:38,931 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 13:42:38,931 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 13:42:38,939 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 13:42:38,940 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 13:42:39,470 INFO L253 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2020-10-08 13:42:39,492 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 13:42:39,493 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 13:42:39,493 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 13:42:39,493 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 13:42:39,493 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 13:42:39,493 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 13:42:39,493 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 13:42:39,494 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 13:42:39,516 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-08 13:42:39,519 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 245 places, 184 transitions, 608 flow [2020-10-08 13:42:39,522 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 245 places, 184 transitions, 608 flow [2020-10-08 13:42:39,524 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 245 places, 184 transitions, 608 flow [2020-10-08 13:42:39,646 INFO L129 PetriNetUnfolder]: 30/154 cut-off events. [2020-10-08 13:42:39,646 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-08 13:42:39,665 INFO L80 FinitePrefix]: Finished finitePrefix Result has 275 conditions, 154 events. 30/154 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 181 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 177. Up to 2 conditions per place. [2020-10-08 13:42:39,677 INFO L117 LiptonReduction]: Number of co-enabled transitions 13050 [2020-10-08 13:42:40,665 INFO L132 LiptonReduction]: Checked pairs total: 20561 [2020-10-08 13:42:40,665 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-08 13:42:40,672 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 243 places, 182 transitions, 604 flow Received shutdown request... [2020-10-08 13:56:21,194 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 13:56:21,198 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 13:56:21,198 INFO L202 PluginConnector]: Adding new model example2_N=30.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 01:56:21 BasicIcfg [2020-10-08 13:56:21,198 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 13:56:21,204 INFO L168 Benchmark]: Toolchain (without parser) took 822889.17 ms. Allocated memory was 250.6 MB in the beginning and 6.5 GB in the end (delta: 6.3 GB). Free memory was 226.2 MB in the beginning and 1.2 GB in the end (delta: -996.4 MB). Peak memory consumption was 6.0 GB. Max. memory is 14.2 GB. [2020-10-08 13:56:21,207 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 250.6 MB. Free memory is still 227.8 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 13:56:21,210 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.14 ms. Allocated memory is still 250.6 MB. Free memory was 226.2 MB in the beginning and 224.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-08 13:56:21,212 INFO L168 Benchmark]: Boogie Preprocessor took 40.83 ms. Allocated memory is still 250.6 MB. Free memory was 224.5 MB in the beginning and 222.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-08 13:56:21,213 INFO L168 Benchmark]: RCFGBuilder took 517.48 ms. Allocated memory is still 250.6 MB. Free memory was 221.9 MB in the beginning and 192.3 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 14.2 GB. [2020-10-08 13:56:21,214 INFO L168 Benchmark]: TraceAbstraction took 822286.13 ms. Allocated memory was 250.6 MB in the beginning and 6.5 GB in the end (delta: 6.3 GB). Free memory was 191.5 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 5.9 GB. Max. memory is 14.2 GB. [2020-10-08 13:56:21,226 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 0.20 ms. Allocated memory is still 250.6 MB. Free memory is still 227.8 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 40.14 ms. Allocated memory is still 250.6 MB. Free memory was 226.2 MB in the beginning and 224.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 40.83 ms. Allocated memory is still 250.6 MB. Free memory was 224.5 MB in the beginning and 222.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * RCFGBuilder took 517.48 ms. Allocated memory is still 250.6 MB. Free memory was 221.9 MB in the beginning and 192.3 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 14.2 GB. * TraceAbstraction took 822286.13 ms. Allocated memory was 250.6 MB in the beginning and 6.5 GB in the end (delta: 6.3 GB). Free memory was 191.5 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 5.9 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 5129 VarBasedMoverChecksPositive, 203 VarBasedMoverChecksNegative, 117 SemBasedMoverChecksPositive, 86 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.7s, 5195 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.1s, 245 PlacesBefore, 243 PlacesAfterwards, 184 TransitionsBefore, 182 TransitionsAfterwards, 13050 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 20561 MoverChecksTotal - TimeoutResultAtElement [Line: 70]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 70). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 243 places, 182 transitions, 604 flow. Already constructed 751100 states. Currently 375562 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 155 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 821.7s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 821.7s, 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