/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=21.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b665a9c [2020-09-29 12:02:19,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-29 12:02:19,485 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-29 12:02:19,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-29 12:02:19,526 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-29 12:02:19,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-29 12:02:19,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-29 12:02:19,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-29 12:02:19,544 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-29 12:02:19,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-29 12:02:19,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-29 12:02:19,550 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-29 12:02:19,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-29 12:02:19,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-29 12:02:19,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-29 12:02:19,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-29 12:02:19,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-29 12:02:19,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-29 12:02:19,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-29 12:02:19,569 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-29 12:02:19,571 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-29 12:02:19,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-29 12:02:19,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-29 12:02:19,575 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-29 12:02:19,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-29 12:02:19,593 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-29 12:02:19,593 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-29 12:02:19,594 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-29 12:02:19,594 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-29 12:02:19,599 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-29 12:02:19,599 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-29 12:02:19,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-29 12:02:19,601 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-29 12:02:19,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-29 12:02:19,606 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-29 12:02:19,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-29 12:02:19,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-29 12:02:19,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-29 12:02:19,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-29 12:02:19,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-29 12:02:19,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-29 12:02:19,610 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 12:02:19,647 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-29 12:02:19,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-29 12:02:19,649 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-29 12:02:19,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-29 12:02:19,649 INFO L138 SettingsManager]: * Use SBE=true [2020-09-29 12:02:19,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-29 12:02:19,650 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-29 12:02:19,650 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-29 12:02:19,650 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-29 12:02:19,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-29 12:02:19,652 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-29 12:02:19,652 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-29 12:02:19,652 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-29 12:02:19,652 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-29 12:02:19,653 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-29 12:02:19,653 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-29 12:02:19,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-29 12:02:19,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-29 12:02:19,653 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-29 12:02:19,654 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-29 12:02:19,654 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-29 12:02:19,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-29 12:02:19,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-29 12:02:19,654 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-29 12:02:19,655 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-29 12:02:19,655 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-29 12:02:19,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-29 12:02:19,655 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-29 12:02:19,655 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-29 12:02:19,656 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-29 12:02:20,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-29 12:02:20,130 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-29 12:02:20,135 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-29 12:02:20,137 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-09-29 12:02:20,140 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-09-29 12:02:20,141 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=21.bpl [2020-09-29 12:02:20,141 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=21.bpl' [2020-09-29 12:02:20,193 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-29 12:02:20,201 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-29 12:02:20,202 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-29 12:02:20,202 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-29 12:02:20,202 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-29 12:02:20,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:02:20" (1/1) ... [2020-09-29 12:02:20,234 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:02:20" (1/1) ... [2020-09-29 12:02:20,246 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-29 12:02:20,247 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-29 12:02:20,247 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-29 12:02:20,247 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-29 12:02:20,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:02:20" (1/1) ... [2020-09-29 12:02:20,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:02:20" (1/1) ... [2020-09-29 12:02:20,262 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:02:20" (1/1) ... [2020-09-29 12:02:20,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:02:20" (1/1) ... [2020-09-29 12:02:20,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:02:20" (1/1) ... [2020-09-29 12:02:20,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:02:20" (1/1) ... [2020-09-29 12:02:20,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:02:20" (1/1) ... [2020-09-29 12:02:20,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-29 12:02:20,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-29 12:02:20,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-29 12:02:20,284 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-29 12:02:20,285 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:02:20" (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 12:02:20,392 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-09-29 12:02:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-09-29 12:02:20,394 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-09-29 12:02:20,395 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-09-29 12:02:20,395 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-09-29 12:02:20,395 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-09-29 12:02:20,396 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-09-29 12:02:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-09-29 12:02:20,396 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-09-29 12:02:20,396 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-09-29 12:02:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-09-29 12:02:20,397 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-09-29 12:02:20,397 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-09-29 12:02:20,397 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-09-29 12:02:20,397 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-09-29 12:02:20,397 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-09-29 12:02:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-09-29 12:02:20,398 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-09-29 12:02:20,398 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-09-29 12:02:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-09-29 12:02:20,399 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-09-29 12:02:20,399 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-09-29 12:02:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-09-29 12:02:20,400 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-09-29 12:02:20,408 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-09-29 12:02:20,409 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-09-29 12:02:20,409 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-09-29 12:02:20,410 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-09-29 12:02:20,410 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-09-29 12:02:20,410 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-09-29 12:02:20,411 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-09-29 12:02:20,411 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-09-29 12:02:20,411 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-09-29 12:02:20,411 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-09-29 12:02:20,412 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-09-29 12:02:20,412 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-09-29 12:02:20,412 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-09-29 12:02:20,412 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-09-29 12:02:20,413 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-09-29 12:02:20,413 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-09-29 12:02:20,413 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-09-29 12:02:20,413 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-09-29 12:02:20,413 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-09-29 12:02:20,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-29 12:02:20,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-29 12:02:20,414 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-09-29 12:02:20,415 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-09-29 12:02:20,415 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-09-29 12:02:20,415 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-09-29 12:02:20,415 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-09-29 12:02:20,415 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-09-29 12:02:20,416 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-09-29 12:02:20,416 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-09-29 12:02:20,416 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-09-29 12:02:20,416 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-09-29 12:02:20,416 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-09-29 12:02:20,417 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-09-29 12:02:20,417 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-09-29 12:02:20,418 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-09-29 12:02:20,418 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-09-29 12:02:20,418 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-09-29 12:02:20,418 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-09-29 12:02:20,419 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-09-29 12:02:20,419 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-09-29 12:02:20,419 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-09-29 12:02:20,419 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-09-29 12:02:20,421 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 12:02:20,727 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-29 12:02:20,728 INFO L298 CfgBuilder]: Removed 21 assume(true) statements. [2020-09-29 12:02:20,734 INFO L202 PluginConnector]: Adding new model example2_N=21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 12:02:20 BoogieIcfgContainer [2020-09-29 12:02:20,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-29 12:02:20,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-29 12:02:20,736 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-29 12:02:20,741 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-29 12:02:20,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:02:20" (1/2) ... [2020-09-29 12:02:20,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67d028ea and model type example2_N=21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 12:02:20, skipping insertion in model container [2020-09-29 12:02:20,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 12:02:20" (2/2) ... [2020-09-29 12:02:20,746 INFO L109 eAbstractionObserver]: Analyzing ICFG example2_N=21.bpl [2020-09-29 12:02:20,777 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-29 12:02:20,778 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-29 12:02:20,801 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-29 12:02:20,805 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-29 12:02:21,207 INFO L251 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2020-09-29 12:02:21,235 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-29 12:02:21,235 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-29 12:02:21,235 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-29 12:02:21,236 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-29 12:02:21,236 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-29 12:02:21,236 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-29 12:02:21,236 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-29 12:02:21,236 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-29 12:02:21,260 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 109 transitions, 386 flow [2020-09-29 12:02:21,262 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 152 places, 109 transitions, 386 flow [2020-09-29 12:02:21,371 INFO L129 PetriNetUnfolder]: 21/88 cut-off events. [2020-09-29 12:02:21,371 INFO L130 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2020-09-29 12:02:21,382 INFO L80 FinitePrefix]: Finished finitePrefix Result has 173 conditions, 88 events. 21/88 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 67 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 102. Up to 2 conditions per place. [2020-09-29 12:02:21,388 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 152 places, 109 transitions, 386 flow [2020-09-29 12:02:21,432 INFO L129 PetriNetUnfolder]: 21/88 cut-off events. [2020-09-29 12:02:21,432 INFO L130 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2020-09-29 12:02:21,435 INFO L80 FinitePrefix]: Finished finitePrefix Result has 173 conditions, 88 events. 21/88 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 67 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 102. Up to 2 conditions per place. [2020-09-29 12:02:21,440 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 3360 [2020-09-29 12:02:21,441 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-29 12:02:21,556 INFO L206 etLargeBlockEncoding]: Checked pairs total: 0 [2020-09-29 12:02:21,556 INFO L214 etLargeBlockEncoding]: Total number of compositions: 1 [2020-09-29 12:02:21,561 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 151 places, 108 transitions, 384 flow Received shutdown request... [2020-09-29 12:15:50,971 WARN L544 AbstractCegarLoop]: Verification canceled [2020-09-29 12:15:50,975 WARN L228 ceAbstractionStarter]: Timeout [2020-09-29 12:15:50,975 INFO L202 PluginConnector]: Adding new model example2_N=21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 12:15:50 BasicIcfg [2020-09-29 12:15:50,976 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-29 12:15:50,980 INFO L168 Benchmark]: Toolchain (without parser) took 810782.77 ms. Allocated memory was 250.6 MB in the beginning and 9.1 GB in the end (delta: 8.9 GB). Free memory was 227.0 MB in the beginning and 3.7 GB in the end (delta: -3.5 GB). Peak memory consumption was 8.1 GB. Max. memory is 14.2 GB. [2020-09-29 12:15:50,981 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.45 ms. Allocated memory is still 250.6 MB. Free memory is still 227.0 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-09-29 12:15:50,981 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.18 ms. Allocated memory is still 250.6 MB. Free memory is still 224.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-09-29 12:15:50,983 INFO L168 Benchmark]: Boogie Preprocessor took 36.35 ms. Allocated memory is still 250.6 MB. Free memory was 224.5 MB in the beginning and 222.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-09-29 12:15:50,984 INFO L168 Benchmark]: RCFGBuilder took 450.87 ms. Allocated memory is still 250.6 MB. Free memory was 222.0 MB in the beginning and 201.7 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 14.2 GB. [2020-09-29 12:15:50,985 INFO L168 Benchmark]: TraceAbstraction took 810239.78 ms. Allocated memory was 250.6 MB in the beginning and 9.1 GB in the end (delta: 8.9 GB). Free memory was 199.2 MB in the beginning and 3.7 GB in the end (delta: -3.5 GB). Peak memory consumption was 8.1 GB. Max. memory is 14.2 GB. [2020-09-29 12:15:50,990 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 0.45 ms. Allocated memory is still 250.6 MB. Free memory is still 227.0 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 45.18 ms. Allocated memory is still 250.6 MB. Free memory is still 224.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Preprocessor took 36.35 ms. Allocated memory is still 250.6 MB. Free memory was 224.5 MB in the beginning and 222.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 450.87 ms. Allocated memory is still 250.6 MB. Free memory was 222.0 MB in the beginning and 201.7 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 14.2 GB. * TraceAbstraction took 810239.78 ms. Allocated memory was 250.6 MB in the beginning and 9.1 GB in the end (delta: 8.9 GB). Free memory was 199.2 MB in the beginning and 3.7 GB in the end (delta: -3.5 GB). Peak memory consumption was 8.1 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.2s, 152 ProgramPointsBefore, 151 ProgramPointsAfterwards, 109 TransitionsBefore, 108 TransitionsAfterwards, 3360 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: 52]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 52). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 151 places, 108 transitions, 384 flow. Already constructed 658622 states. Currently 245286 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 809.7s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 809.7s, 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