/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=22.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b665a9c [2020-09-29 12:02:28,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-29 12:02:28,574 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-29 12:02:28,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-29 12:02:28,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-29 12:02:28,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-29 12:02:28,602 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-29 12:02:28,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-29 12:02:28,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-29 12:02:28,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-29 12:02:28,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-29 12:02:28,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-29 12:02:28,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-29 12:02:28,610 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-29 12:02:28,611 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-29 12:02:28,612 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-29 12:02:28,613 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-29 12:02:28,614 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-29 12:02:28,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-29 12:02:28,618 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-29 12:02:28,619 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-29 12:02:28,620 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-29 12:02:28,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-29 12:02:28,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-29 12:02:28,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-29 12:02:28,626 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-29 12:02:28,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-29 12:02:28,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-29 12:02:28,628 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-29 12:02:28,629 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-29 12:02:28,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-29 12:02:28,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-29 12:02:28,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-29 12:02:28,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-29 12:02:28,633 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-29 12:02:28,633 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-29 12:02:28,634 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-29 12:02:28,634 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-29 12:02:28,634 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-29 12:02:28,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-29 12:02:28,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-29 12:02:28,637 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 12:02:28,661 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-29 12:02:28,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-29 12:02:28,663 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-29 12:02:28,663 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-29 12:02:28,663 INFO L138 SettingsManager]: * Use SBE=true [2020-09-29 12:02:28,664 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-29 12:02:28,664 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-29 12:02:28,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-29 12:02:28,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-29 12:02:28,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-29 12:02:28,665 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-29 12:02:28,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-29 12:02:28,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-29 12:02:28,665 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-29 12:02:28,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-29 12:02:28,666 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-29 12:02:28,666 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-29 12:02:28,666 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-29 12:02:28,666 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-29 12:02:28,666 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-29 12:02:28,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-29 12:02:28,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-29 12:02:28,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-29 12:02:28,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-29 12:02:28,667 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-29 12:02:28,668 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-29 12:02:28,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-29 12:02:28,668 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-29 12:02:28,668 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-29 12:02:28,669 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-29 12:02:29,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-29 12:02:29,139 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-29 12:02:29,143 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-29 12:02:29,145 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-09-29 12:02:29,146 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-09-29 12:02:29,147 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=22.bpl [2020-09-29 12:02:29,147 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=22.bpl' [2020-09-29 12:02:29,202 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-29 12:02:29,211 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-29 12:02:29,212 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-29 12:02:29,212 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-29 12:02:29,212 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-29 12:02:29,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=22.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:02:29" (1/1) ... [2020-09-29 12:02:29,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=22.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:02:29" (1/1) ... [2020-09-29 12:02:29,256 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-29 12:02:29,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-29 12:02:29,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-29 12:02:29,258 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-29 12:02:29,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=22.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:02:29" (1/1) ... [2020-09-29 12:02:29,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=22.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:02:29" (1/1) ... [2020-09-29 12:02:29,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=22.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:02:29" (1/1) ... [2020-09-29 12:02:29,274 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=22.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:02:29" (1/1) ... [2020-09-29 12:02:29,281 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=22.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:02:29" (1/1) ... [2020-09-29 12:02:29,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=22.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:02:29" (1/1) ... [2020-09-29 12:02:29,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=22.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:02:29" (1/1) ... [2020-09-29 12:02:29,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-29 12:02:29,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-29 12:02:29,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-29 12:02:29,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-29 12:02:29,303 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=22.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:02:29" (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 12:02:29,391 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-09-29 12:02:29,392 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-09-29 12:02:29,392 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-09-29 12:02:29,392 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-09-29 12:02:29,392 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-09-29 12:02:29,393 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-09-29 12:02:29,393 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-09-29 12:02:29,393 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-09-29 12:02:29,393 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-09-29 12:02:29,393 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-09-29 12:02:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-09-29 12:02:29,394 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-09-29 12:02:29,394 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-09-29 12:02:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-09-29 12:02:29,394 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-09-29 12:02:29,395 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-09-29 12:02:29,395 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-09-29 12:02:29,395 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-09-29 12:02:29,395 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-09-29 12:02:29,395 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-09-29 12:02:29,395 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-09-29 12:02:29,396 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-09-29 12:02:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-09-29 12:02:29,396 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-09-29 12:02:29,396 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-09-29 12:02:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-09-29 12:02:29,397 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-09-29 12:02:29,397 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-09-29 12:02:29,397 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-09-29 12:02:29,397 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-09-29 12:02:29,398 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-09-29 12:02:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-09-29 12:02:29,398 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-09-29 12:02:29,398 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-09-29 12:02:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-09-29 12:02:29,398 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-09-29 12:02:29,399 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-09-29 12:02:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-09-29 12:02:29,399 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-09-29 12:02:29,399 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-09-29 12:02:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-09-29 12:02:29,400 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-09-29 12:02:29,400 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-09-29 12:02:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-29 12:02:29,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-29 12:02:29,400 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-09-29 12:02:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-09-29 12:02:29,401 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-09-29 12:02:29,401 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-09-29 12:02:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-09-29 12:02:29,401 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-09-29 12:02:29,402 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-09-29 12:02:29,402 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-09-29 12:02:29,402 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-09-29 12:02:29,402 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-09-29 12:02:29,402 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-09-29 12:02:29,402 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-09-29 12:02:29,403 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-09-29 12:02:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-09-29 12:02:29,403 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-09-29 12:02:29,403 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-09-29 12:02:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-09-29 12:02:29,403 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-09-29 12:02:29,404 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-09-29 12:02:29,404 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-09-29 12:02:29,404 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-09-29 12:02:29,404 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-09-29 12:02:29,404 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-09-29 12:02:29,405 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-09-29 12:02:29,406 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 12:02:29,852 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-29 12:02:29,853 INFO L298 CfgBuilder]: Removed 22 assume(true) statements. [2020-09-29 12:02:29,859 INFO L202 PluginConnector]: Adding new model example2_N=22.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 12:02:29 BoogieIcfgContainer [2020-09-29 12:02:29,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-29 12:02:29,860 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-29 12:02:29,860 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-29 12:02:29,864 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-29 12:02:29,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=22.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:02:29" (1/2) ... [2020-09-29 12:02:29,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f732fad and model type example2_N=22.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 12:02:29, skipping insertion in model container [2020-09-29 12:02:29,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=22.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 12:02:29" (2/2) ... [2020-09-29 12:02:29,868 INFO L109 eAbstractionObserver]: Analyzing ICFG example2_N=22.bpl [2020-09-29 12:02:29,879 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-29 12:02:29,879 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-29 12:02:29,889 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-29 12:02:29,890 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-29 12:02:30,335 INFO L251 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2020-09-29 12:02:30,364 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-29 12:02:30,364 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-29 12:02:30,364 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-29 12:02:30,364 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-29 12:02:30,364 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-29 12:02:30,365 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-29 12:02:30,365 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-29 12:02:30,365 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-29 12:02:30,389 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 159 places, 114 transitions, 404 flow [2020-09-29 12:02:30,392 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 159 places, 114 transitions, 404 flow [2020-09-29 12:02:30,489 INFO L129 PetriNetUnfolder]: 22/92 cut-off events. [2020-09-29 12:02:30,490 INFO L130 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2020-09-29 12:02:30,500 INFO L80 FinitePrefix]: Finished finitePrefix Result has 181 conditions, 92 events. 22/92 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 67 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 107. Up to 2 conditions per place. [2020-09-29 12:02:30,508 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 159 places, 114 transitions, 404 flow [2020-09-29 12:02:30,564 INFO L129 PetriNetUnfolder]: 22/92 cut-off events. [2020-09-29 12:02:30,565 INFO L130 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2020-09-29 12:02:30,573 INFO L80 FinitePrefix]: Finished finitePrefix Result has 181 conditions, 92 events. 22/92 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 67 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 107. Up to 2 conditions per place. [2020-09-29 12:02:30,578 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 3696 [2020-09-29 12:02:30,579 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-29 12:02:30,710 INFO L206 etLargeBlockEncoding]: Checked pairs total: 0 [2020-09-29 12:02:30,711 INFO L214 etLargeBlockEncoding]: Total number of compositions: 1 [2020-09-29 12:02:30,715 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 158 places, 113 transitions, 402 flow Received shutdown request... [2020-09-29 12:16:18,060 WARN L544 AbstractCegarLoop]: Verification canceled [2020-09-29 12:16:18,065 WARN L228 ceAbstractionStarter]: Timeout [2020-09-29 12:16:18,065 INFO L202 PluginConnector]: Adding new model example2_N=22.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 12:16:18 BasicIcfg [2020-09-29 12:16:18,065 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-29 12:16:18,069 INFO L168 Benchmark]: Toolchain (without parser) took 828863.31 ms. Allocated memory was 247.5 MB in the beginning and 7.9 GB in the end (delta: 7.7 GB). Free memory was 223.8 MB in the beginning and 3.4 GB in the end (delta: -3.2 GB). Peak memory consumption was 7.1 GB. Max. memory is 14.2 GB. [2020-09-29 12:16:18,070 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 247.5 MB. Free memory is still 223.8 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-09-29 12:16:18,071 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.92 ms. Allocated memory is still 247.5 MB. Free memory is still 221.3 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-09-29 12:16:18,072 INFO L168 Benchmark]: Boogie Preprocessor took 41.20 ms. Allocated memory is still 247.5 MB. Free memory was 221.3 MB in the beginning and 218.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-09-29 12:16:18,073 INFO L168 Benchmark]: RCFGBuilder took 560.20 ms. Allocated memory is still 247.5 MB. Free memory was 218.8 MB in the beginning and 196.2 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 14.2 GB. [2020-09-29 12:16:18,074 INFO L168 Benchmark]: TraceAbstraction took 828205.22 ms. Allocated memory was 247.5 MB in the beginning and 7.9 GB in the end (delta: 7.7 GB). Free memory was 196.2 MB in the beginning and 3.4 GB in the end (delta: -3.2 GB). Peak memory consumption was 7.0 GB. Max. memory is 14.2 GB. [2020-09-29 12:16:18,078 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 247.5 MB. Free memory is still 223.8 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 44.92 ms. Allocated memory is still 247.5 MB. Free memory is still 221.3 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Preprocessor took 41.20 ms. Allocated memory is still 247.5 MB. Free memory was 221.3 MB in the beginning and 218.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 560.20 ms. Allocated memory is still 247.5 MB. Free memory was 218.8 MB in the beginning and 196.2 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 14.2 GB. * TraceAbstraction took 828205.22 ms. Allocated memory was 247.5 MB in the beginning and 7.9 GB in the end (delta: 7.7 GB). Free memory was 196.2 MB in the beginning and 3.4 GB in the end (delta: -3.2 GB). Peak memory consumption was 7.0 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.3s, 159 ProgramPointsBefore, 158 ProgramPointsAfterwards, 114 TransitionsBefore, 113 TransitionsAfterwards, 3696 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: 54]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 54). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 158 places, 113 transitions, 402 flow. Already constructed 561122 states. Currently 213263 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 827.7s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 827.6s, 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