/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=41.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b665a9c [2020-09-29 12:37:57,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-29 12:37:57,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-29 12:37:57,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-29 12:37:57,400 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-29 12:37:57,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-29 12:37:57,402 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-29 12:37:57,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-29 12:37:57,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-29 12:37:57,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-29 12:37:57,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-29 12:37:57,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-29 12:37:57,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-29 12:37:57,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-29 12:37:57,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-29 12:37:57,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-29 12:37:57,414 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-29 12:37:57,415 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-29 12:37:57,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-29 12:37:57,419 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-29 12:37:57,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-29 12:37:57,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-29 12:37:57,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-29 12:37:57,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-29 12:37:57,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-29 12:37:57,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-29 12:37:57,432 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-29 12:37:57,433 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-29 12:37:57,433 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-29 12:37:57,436 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-29 12:37:57,436 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-29 12:37:57,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-29 12:37:57,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-29 12:37:57,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-29 12:37:57,442 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-29 12:37:57,442 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-29 12:37:57,444 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-29 12:37:57,444 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-29 12:37:57,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-29 12:37:57,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-29 12:37:57,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-29 12:37:57,449 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 [2020-09-29 12:37:57,497 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-29 12:37:57,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-29 12:37:57,499 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-29 12:37:57,499 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-29 12:37:57,499 INFO L138 SettingsManager]: * Use SBE=true [2020-09-29 12:37:57,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-29 12:37:57,500 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-29 12:37:57,500 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-29 12:37:57,500 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-29 12:37:57,500 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-29 12:37:57,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-29 12:37:57,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-29 12:37:57,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-29 12:37:57,502 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-29 12:37:57,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-29 12:37:57,503 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-29 12:37:57,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-29 12:37:57,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-29 12:37:57,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-29 12:37:57,503 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-29 12:37:57,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-29 12:37:57,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-29 12:37:57,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-29 12:37:57,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-29 12:37:57,504 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-29 12:37:57,505 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-29 12:37:57,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-29 12:37:57,505 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-29 12:37:57,505 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-29 12:37:57,505 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-29 12:37:57,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-29 12:37:57,990 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-29 12:37:57,994 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-29 12:37:57,996 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-09-29 12:37:57,997 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-09-29 12:37:57,998 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=41.bpl [2020-09-29 12:37:57,998 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=41.bpl' [2020-09-29 12:37:58,066 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-29 12:37:58,073 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-29 12:37:58,073 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-29 12:37:58,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-29 12:37:58,074 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-29 12:37:58,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:37:58" (1/1) ... [2020-09-29 12:37:58,108 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:37:58" (1/1) ... [2020-09-29 12:37:58,120 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-29 12:37:58,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-29 12:37:58,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-29 12:37:58,122 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-29 12:37:58,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:37:58" (1/1) ... [2020-09-29 12:37:58,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:37:58" (1/1) ... [2020-09-29 12:37:58,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:37:58" (1/1) ... [2020-09-29 12:37:58,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:37:58" (1/1) ... [2020-09-29 12:37:58,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:37:58" (1/1) ... [2020-09-29 12:37:58,165 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:37:58" (1/1) ... [2020-09-29 12:37:58,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:37:58" (1/1) ... [2020-09-29 12:37:58,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-29 12:37:58,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-29 12:37:58,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-29 12:37:58,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-29 12:37:58,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:37:58" (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 [2020-09-29 12:37:58,273 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-09-29 12:37:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-09-29 12:37:58,274 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-09-29 12:37:58,274 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-09-29 12:37:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-09-29 12:37:58,274 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-09-29 12:37:58,275 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread41 given in one single declaration [2020-09-29 12:37:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure thread41 [2020-09-29 12:37:58,275 INFO L138 BoogieDeclarations]: Found implementation of procedure thread41 [2020-09-29 12:37:58,275 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread40 given in one single declaration [2020-09-29 12:37:58,276 INFO L130 BoogieDeclarations]: Found specification of procedure thread40 [2020-09-29 12:37:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure thread40 [2020-09-29 12:37:58,276 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-09-29 12:37:58,276 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-09-29 12:37:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-09-29 12:37:58,277 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-09-29 12:37:58,277 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-09-29 12:37:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-09-29 12:37:58,277 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-09-29 12:37:58,277 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-09-29 12:37:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-09-29 12:37:58,278 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-09-29 12:37:58,278 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-09-29 12:37:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-09-29 12:37:58,279 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-09-29 12:37:58,279 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-09-29 12:37:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-09-29 12:37:58,279 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-09-29 12:37:58,279 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-09-29 12:37:58,280 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-09-29 12:37:58,280 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-09-29 12:37:58,280 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-09-29 12:37:58,280 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-09-29 12:37:58,280 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-09-29 12:37:58,281 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-09-29 12:37:58,281 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-09-29 12:37:58,281 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-09-29 12:37:58,281 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-09-29 12:37:58,281 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-09-29 12:37:58,282 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread39 given in one single declaration [2020-09-29 12:37:58,282 INFO L130 BoogieDeclarations]: Found specification of procedure thread39 [2020-09-29 12:37:58,282 INFO L138 BoogieDeclarations]: Found implementation of procedure thread39 [2020-09-29 12:37:58,282 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-09-29 12:37:58,282 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-09-29 12:37:58,283 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-09-29 12:37:58,283 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-09-29 12:37:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-09-29 12:37:58,283 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-09-29 12:37:58,284 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-09-29 12:37:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-09-29 12:37:58,284 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-09-29 12:37:58,284 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-09-29 12:37:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-09-29 12:37:58,285 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-09-29 12:37:58,285 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-09-29 12:37:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-09-29 12:37:58,286 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-09-29 12:37:58,286 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-09-29 12:37:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-09-29 12:37:58,286 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-09-29 12:37:58,287 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-09-29 12:37:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-09-29 12:37:58,287 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-09-29 12:37:58,287 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-09-29 12:37:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-09-29 12:37:58,288 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-09-29 12:37:58,288 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-09-29 12:37:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-09-29 12:37:58,288 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-09-29 12:37:58,289 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-09-29 12:37:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-09-29 12:37:58,289 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-09-29 12:37:58,289 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-09-29 12:37:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-09-29 12:37:58,290 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-09-29 12:37:58,290 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-09-29 12:37:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-09-29 12:37:58,290 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-09-29 12:37:58,290 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-09-29 12:37:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-09-29 12:37:58,291 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-09-29 12:37:58,291 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-09-29 12:37:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-09-29 12:37:58,291 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-09-29 12:37:58,292 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-09-29 12:37:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-09-29 12:37:58,292 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-09-29 12:37:58,292 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-09-29 12:37:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-09-29 12:37:58,293 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-09-29 12:37:58,293 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-09-29 12:37:58,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-29 12:37:58,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-29 12:37:58,294 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread38 given in one single declaration [2020-09-29 12:37:58,294 INFO L130 BoogieDeclarations]: Found specification of procedure thread38 [2020-09-29 12:37:58,294 INFO L138 BoogieDeclarations]: Found implementation of procedure thread38 [2020-09-29 12:37:58,294 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-09-29 12:37:58,294 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-09-29 12:37:58,295 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-09-29 12:37:58,295 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread37 given in one single declaration [2020-09-29 12:37:58,295 INFO L130 BoogieDeclarations]: Found specification of procedure thread37 [2020-09-29 12:37:58,295 INFO L138 BoogieDeclarations]: Found implementation of procedure thread37 [2020-09-29 12:37:58,295 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-09-29 12:37:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-09-29 12:37:58,296 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-09-29 12:37:58,296 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-09-29 12:37:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-09-29 12:37:58,296 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-09-29 12:37:58,297 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-09-29 12:37:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-09-29 12:37:58,297 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-09-29 12:37:58,297 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-09-29 12:37:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-09-29 12:37:58,298 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-09-29 12:37:58,298 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-09-29 12:37:58,298 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-09-29 12:37:58,298 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-09-29 12:37:58,298 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-09-29 12:37:58,299 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-09-29 12:37:58,299 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-09-29 12:37:58,299 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-09-29 12:37:58,299 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-09-29 12:37:58,299 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-09-29 12:37:58,300 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-09-29 12:37:58,300 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-09-29 12:37:58,300 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-09-29 12:37:58,302 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-29 12:37:58,813 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-29 12:37:58,813 INFO L298 CfgBuilder]: Removed 41 assume(true) statements. [2020-09-29 12:37:58,819 INFO L202 PluginConnector]: Adding new model example2_N=41.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 12:37:58 BoogieIcfgContainer [2020-09-29 12:37:58,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-29 12:37:58,821 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-29 12:37:58,821 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-29 12:37:58,825 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-29 12:37:58,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:37:58" (1/2) ... [2020-09-29 12:37:58,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@613bfe0 and model type example2_N=41.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 12:37:58, skipping insertion in model container [2020-09-29 12:37:58,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=41.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 12:37:58" (2/2) ... [2020-09-29 12:37:58,829 INFO L109 eAbstractionObserver]: Analyzing ICFG example2_N=41.bpl [2020-09-29 12:37:58,841 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-29 12:37:58,841 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-29 12:37:58,851 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-29 12:37:58,853 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-29 12:37:59,705 INFO L251 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2020-09-29 12:37:59,733 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-29 12:37:59,733 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-29 12:37:59,734 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-29 12:37:59,734 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-29 12:37:59,734 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-29 12:37:59,734 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-29 12:37:59,734 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-29 12:37:59,734 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-29 12:37:59,761 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 292 places, 209 transitions, 746 flow [2020-09-29 12:37:59,764 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 292 places, 209 transitions, 746 flow [2020-09-29 12:37:59,921 INFO L129 PetriNetUnfolder]: 41/168 cut-off events. [2020-09-29 12:37:59,921 INFO L130 PetriNetUnfolder]: For 41/41 co-relation queries the response was YES. [2020-09-29 12:37:59,933 INFO L80 FinitePrefix]: Finished finitePrefix Result has 333 conditions, 168 events. 41/168 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 121 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 202. Up to 2 conditions per place. [2020-09-29 12:37:59,947 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 292 places, 209 transitions, 746 flow [2020-09-29 12:38:00,044 INFO L129 PetriNetUnfolder]: 41/168 cut-off events. [2020-09-29 12:38:00,044 INFO L130 PetriNetUnfolder]: For 41/41 co-relation queries the response was YES. [2020-09-29 12:38:00,048 INFO L80 FinitePrefix]: Finished finitePrefix Result has 333 conditions, 168 events. 41/168 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 121 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 202. Up to 2 conditions per place. [2020-09-29 12:38:00,060 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 13120 [2020-09-29 12:38:00,062 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-29 12:38:00,267 INFO L206 etLargeBlockEncoding]: Checked pairs total: 0 [2020-09-29 12:38:00,267 INFO L214 etLargeBlockEncoding]: Total number of compositions: 1 [2020-09-29 12:38:00,271 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 291 places, 208 transitions, 744 flow Received shutdown request... [2020-09-29 12:51:02,491 WARN L544 AbstractCegarLoop]: Verification canceled [2020-09-29 12:51:02,496 WARN L228 ceAbstractionStarter]: Timeout [2020-09-29 12:51:02,496 INFO L202 PluginConnector]: Adding new model example2_N=41.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 12:51:02 BasicIcfg [2020-09-29 12:51:02,496 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-29 12:51:02,500 INFO L168 Benchmark]: Toolchain (without parser) took 784431.17 ms. Allocated memory was 246.4 MB in the beginning and 10.5 GB in the end (delta: 10.2 GB). Free memory was 220.3 MB in the beginning and 2.3 GB in the end (delta: -2.1 GB). Peak memory consumption was 9.1 GB. Max. memory is 14.2 GB. [2020-09-29 12:51:02,500 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 246.4 MB. Free memory is still 222.8 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-09-29 12:51:02,501 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.52 ms. Allocated memory is still 246.4 MB. Free memory was 220.3 MB in the beginning and 217.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-09-29 12:51:02,502 INFO L168 Benchmark]: Boogie Preprocessor took 52.87 ms. Allocated memory is still 246.4 MB. Free memory was 217.8 MB in the beginning and 215.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-09-29 12:51:02,503 INFO L168 Benchmark]: RCFGBuilder took 645.03 ms. Allocated memory is still 246.4 MB. Free memory was 215.3 MB in the beginning and 182.5 MB in the end (delta: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 14.2 GB. [2020-09-29 12:51:02,504 INFO L168 Benchmark]: TraceAbstraction took 783675.78 ms. Allocated memory was 246.4 MB in the beginning and 10.5 GB in the end (delta: 10.2 GB). Free memory was 182.5 MB in the beginning and 2.3 GB in the end (delta: -2.1 GB). Peak memory consumption was 9.1 GB. Max. memory is 14.2 GB. [2020-09-29 12:51:02,509 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 0.19 ms. Allocated memory is still 246.4 MB. Free memory is still 222.8 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 47.52 ms. Allocated memory is still 246.4 MB. Free memory was 220.3 MB in the beginning and 217.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 52.87 ms. Allocated memory is still 246.4 MB. Free memory was 217.8 MB in the beginning and 215.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 645.03 ms. Allocated memory is still 246.4 MB. Free memory was 215.3 MB in the beginning and 182.5 MB in the end (delta: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 14.2 GB. * TraceAbstraction took 783675.78 ms. Allocated memory was 246.4 MB in the beginning and 10.5 GB in the end (delta: 10.2 GB). Free memory was 182.5 MB in the beginning and 2.3 GB in the end (delta: -2.1 GB). Peak memory consumption was 9.1 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.5s, 292 ProgramPointsBefore, 291 ProgramPointsAfterwards, 209 TransitionsBefore, 208 TransitionsAfterwards, 13120 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 0 CheckedPairsTotal, 1 TotalNumberOfCompositions - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 92). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 291 places, 208 transitions, 744 flow. Already constructed 742406 states. Currently 283575 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 169 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 782.7s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 782.7s, 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