/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/automizer/concurrent/VMCAI2021_FA.epf -i ../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=18.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b665a9c [2020-09-29 13:21:49,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-29 13:21:49,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-29 13:21:49,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-29 13:21:49,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-29 13:21:49,431 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-29 13:21:49,433 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-29 13:21:49,435 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-29 13:21:49,436 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-29 13:21:49,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-29 13:21:49,438 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-29 13:21:49,440 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-29 13:21:49,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-29 13:21:49,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-29 13:21:49,446 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-29 13:21:49,447 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-29 13:21:49,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-29 13:21:49,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-29 13:21:49,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-29 13:21:49,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-29 13:21:49,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-29 13:21:49,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-29 13:21:49,466 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-29 13:21:49,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-29 13:21:49,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-29 13:21:49,473 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-29 13:21:49,474 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-29 13:21:49,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-29 13:21:49,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-29 13:21:49,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-29 13:21:49,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-29 13:21:49,480 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-29 13:21:49,481 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-29 13:21:49,482 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-29 13:21:49,483 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-29 13:21:49,484 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-29 13:21:49,484 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-29 13:21:49,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-29 13:21:49,485 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-29 13:21:49,486 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-29 13:21:49,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-29 13:21:49,488 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_FA.epf [2020-09-29 13:21:49,521 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-29 13:21:49,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-29 13:21:49,523 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-29 13:21:49,523 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-29 13:21:49,523 INFO L138 SettingsManager]: * Use SBE=true [2020-09-29 13:21:49,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-29 13:21:49,524 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-29 13:21:49,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-29 13:21:49,524 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-29 13:21:49,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-29 13:21:49,524 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-29 13:21:49,524 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-29 13:21:49,525 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-29 13:21:49,525 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-29 13:21:49,525 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-29 13:21:49,525 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-29 13:21:49,525 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-29 13:21:49,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-29 13:21:49,526 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-29 13:21:49,526 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-29 13:21:49,526 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-29 13:21:49,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-29 13:21:49,527 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-29 13:21:49,527 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-29 13:21:49,527 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-29 13:21:49,527 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-09-29 13:21:49,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-29 13:21:49,528 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-09-29 13:21:49,528 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-29 13:21:49,528 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-29 13:21:50,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-29 13:21:50,039 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-29 13:21:50,045 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-29 13:21:50,047 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-09-29 13:21:50,049 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-09-29 13:21:50,051 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=18.bpl [2020-09-29 13:21:50,052 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=18.bpl' [2020-09-29 13:21:50,101 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-29 13:21:50,109 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-29 13:21:50,110 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-29 13:21:50,110 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-29 13:21:50,110 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-29 13:21:50,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:50" (1/1) ... [2020-09-29 13:21:50,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:50" (1/1) ... [2020-09-29 13:21:50,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-29 13:21:50,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-29 13:21:50,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-29 13:21:50,161 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-29 13:21:50,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:50" (1/1) ... [2020-09-29 13:21:50,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:50" (1/1) ... [2020-09-29 13:21:50,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:50" (1/1) ... [2020-09-29 13:21:50,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:50" (1/1) ... [2020-09-29 13:21:50,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:50" (1/1) ... [2020-09-29 13:21:50,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:50" (1/1) ... [2020-09-29 13:21:50,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:50" (1/1) ... [2020-09-29 13:21:50,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-29 13:21:50,198 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-29 13:21:50,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-29 13:21:50,199 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-29 13:21:50,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:50" (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 13:21:50,301 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-09-29 13:21:50,301 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-09-29 13:21:50,303 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-09-29 13:21:50,303 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-09-29 13:21:50,304 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-09-29 13:21:50,304 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-09-29 13:21:50,307 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-09-29 13:21:50,307 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-09-29 13:21:50,307 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-09-29 13:21:50,307 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-09-29 13:21:50,308 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-09-29 13:21:50,308 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-09-29 13:21:50,308 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-09-29 13:21:50,308 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-09-29 13:21:50,308 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-09-29 13:21:50,309 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-09-29 13:21:50,309 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-09-29 13:21:50,309 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-09-29 13:21:50,309 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-09-29 13:21:50,310 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-09-29 13:21:50,310 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-09-29 13:21:50,311 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-09-29 13:21:50,311 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-09-29 13:21:50,312 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-09-29 13:21:50,319 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-09-29 13:21:50,320 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-09-29 13:21:50,321 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-09-29 13:21:50,322 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-09-29 13:21:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-09-29 13:21:50,322 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-09-29 13:21:50,322 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-09-29 13:21:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-09-29 13:21:50,323 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-09-29 13:21:50,323 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-09-29 13:21:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-09-29 13:21:50,324 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-09-29 13:21:50,324 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-09-29 13:21:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-09-29 13:21:50,325 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-09-29 13:21:50,325 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-09-29 13:21:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-29 13:21:50,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-29 13:21:50,325 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-09-29 13:21:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-09-29 13:21:50,326 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-09-29 13:21:50,327 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-09-29 13:21:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-09-29 13:21:50,327 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-09-29 13:21:50,327 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-09-29 13:21:50,328 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-09-29 13:21:50,328 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-09-29 13:21:50,328 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-09-29 13:21:50,328 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-09-29 13:21:50,328 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-09-29 13:21:50,329 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-09-29 13:21:50,329 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-09-29 13:21:50,329 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-09-29 13:21:50,331 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 13:21:50,628 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-29 13:21:50,628 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-09-29 13:21:50,635 INFO L202 PluginConnector]: Adding new model example2_N=18.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 01:21:50 BoogieIcfgContainer [2020-09-29 13:21:50,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-29 13:21:50,637 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-29 13:21:50,637 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-29 13:21:50,641 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-29 13:21:50,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:50" (1/2) ... [2020-09-29 13:21:50,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4469c3c1 and model type example2_N=18.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 01:21:50, skipping insertion in model container [2020-09-29 13:21:50,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=18.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 01:21:50" (2/2) ... [2020-09-29 13:21:50,646 INFO L109 eAbstractionObserver]: Analyzing ICFG example2_N=18.bpl [2020-09-29 13:21:50,661 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-29 13:21:50,661 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-29 13:21:50,672 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-29 13:21:50,674 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-29 13:21:51,045 INFO L251 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2020-09-29 13:21:51,078 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-29 13:21:51,078 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-29 13:21:51,078 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-29 13:21:51,078 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-29 13:21:51,078 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-29 13:21:51,079 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-29 13:21:51,079 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-29 13:21:51,079 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-29 13:21:51,104 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 131 places, 94 transitions, 332 flow Received shutdown request... [2020-09-29 13:35:05,192 WARN L544 AbstractCegarLoop]: Verification canceled [2020-09-29 13:35:05,199 WARN L228 ceAbstractionStarter]: Timeout [2020-09-29 13:35:05,199 INFO L202 PluginConnector]: Adding new model example2_N=18.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 01:35:05 BasicIcfg [2020-09-29 13:35:05,199 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-29 13:35:05,207 INFO L168 Benchmark]: Toolchain (without parser) took 795098.51 ms. Allocated memory was 244.8 MB in the beginning and 8.5 GB in the end (delta: 8.3 GB). Free memory was 221.2 MB in the beginning and 2.1 GB in the end (delta: -1.9 GB). Peak memory consumption was 7.7 GB. Max. memory is 14.2 GB. [2020-09-29 13:35:05,215 INFO L168 Benchmark]: Boogie PL CUP Parser took 1.11 ms. Allocated memory is still 244.8 MB. Free memory is still 221.2 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-09-29 13:35:05,218 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.48 ms. Allocated memory is still 244.8 MB. Free memory is still 218.7 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-09-29 13:35:05,220 INFO L168 Benchmark]: Boogie Preprocessor took 37.20 ms. Allocated memory is still 244.8 MB. Free memory was 218.7 MB in the beginning and 216.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-09-29 13:35:05,222 INFO L168 Benchmark]: RCFGBuilder took 436.81 ms. Allocated memory is still 244.8 MB. Free memory was 216.2 MB in the beginning and 195.9 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 14.2 GB. [2020-09-29 13:35:05,223 INFO L168 Benchmark]: TraceAbstraction took 794562.42 ms. Allocated memory was 244.8 MB in the beginning and 8.5 GB in the end (delta: 8.3 GB). Free memory was 195.9 MB in the beginning and 2.1 GB in the end (delta: -2.0 GB). Peak memory consumption was 7.6 GB. Max. memory is 14.2 GB. [2020-09-29 13:35:05,231 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 1.11 ms. Allocated memory is still 244.8 MB. Free memory is still 221.2 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 50.48 ms. Allocated memory is still 244.8 MB. Free memory is still 218.7 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Preprocessor took 37.20 ms. Allocated memory is still 244.8 MB. Free memory was 218.7 MB in the beginning and 216.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 436.81 ms. Allocated memory is still 244.8 MB. Free memory was 216.2 MB in the beginning and 195.9 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 14.2 GB. * TraceAbstraction took 794562.42 ms. Allocated memory was 244.8 MB in the beginning and 8.5 GB in the end (delta: 8.3 GB). Free memory was 195.9 MB in the beginning and 2.1 GB in the end (delta: -2.0 GB). Peak memory consumption was 7.6 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 46]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 46). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 131 places, 94 transitions, 332 flow. Already constructed 560468 states. Currently 93548 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 19 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 794.1s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 794.1s, 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