/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=19.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-50b6972 [2020-10-06 18:35:38,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 18:35:38,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 18:35:39,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 18:35:39,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 18:35:39,024 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 18:35:39,025 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 18:35:39,027 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 18:35:39,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 18:35:39,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 18:35:39,030 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 18:35:39,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 18:35:39,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 18:35:39,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 18:35:39,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 18:35:39,035 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 18:35:39,036 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 18:35:39,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 18:35:39,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 18:35:39,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 18:35:39,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 18:35:39,043 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 18:35:39,044 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 18:35:39,045 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 18:35:39,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 18:35:39,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 18:35:39,049 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 18:35:39,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 18:35:39,050 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 18:35:39,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 18:35:39,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 18:35:39,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 18:35:39,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 18:35:39,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 18:35:39,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 18:35:39,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 18:35:39,055 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 18:35:39,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 18:35:39,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 18:35:39,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 18:35:39,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 18:35:39,058 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-06 18:35:39,088 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 18:35:39,088 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 18:35:39,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 18:35:39,090 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 18:35:39,090 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 18:35:39,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 18:35:39,090 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 18:35:39,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 18:35:39,090 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 18:35:39,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 18:35:39,091 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 18:35:39,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 18:35:39,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 18:35:39,094 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 18:35:39,094 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 18:35:39,094 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 18:35:39,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 18:35:39,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 18:35:39,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 18:35:39,095 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 18:35:39,095 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 18:35:39,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 18:35:39,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 18:35:39,097 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-06 18:35:39,097 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 18:35:39,097 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 18:35:39,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 18:35:39,098 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 18:35:39,098 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-06 18:35:39,098 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-06 18:35:39,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 18:35:39,392 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 18:35:39,396 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 18:35:39,397 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-06 18:35:39,398 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-06 18:35:39,399 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=19.bpl [2020-10-06 18:35:39,399 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=19.bpl' [2020-10-06 18:35:39,446 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 18:35:39,448 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-06 18:35:39,448 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 18:35:39,449 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 18:35:39,449 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 18:35:39,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:39" (1/1) ... [2020-10-06 18:35:39,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:39" (1/1) ... [2020-10-06 18:35:39,485 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 18:35:39,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 18:35:39,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 18:35:39,486 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 18:35:39,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:39" (1/1) ... [2020-10-06 18:35:39,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:39" (1/1) ... [2020-10-06 18:35:39,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:39" (1/1) ... [2020-10-06 18:35:39,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:39" (1/1) ... [2020-10-06 18:35:39,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:39" (1/1) ... [2020-10-06 18:35:39,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:39" (1/1) ... [2020-10-06 18:35:39,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:39" (1/1) ... [2020-10-06 18:35:39,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 18:35:39,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 18:35:39,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 18:35:39,519 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 18:35:39,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 18:35:39,609 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-06 18:35:39,609 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-06 18:35:39,611 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-06 18:35:39,611 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-06 18:35:39,611 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-06 18:35:39,612 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-06 18:35:39,613 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-06 18:35:39,613 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-06 18:35:39,613 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-06 18:35:39,613 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-06 18:35:39,613 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-06 18:35:39,613 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-06 18:35:39,614 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-06 18:35:39,614 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-06 18:35:39,614 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-06 18:35:39,614 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-06 18:35:39,614 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-06 18:35:39,615 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-06 18:35:39,615 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-06 18:35:39,615 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-06 18:35:39,616 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-06 18:35:39,616 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-06 18:35:39,616 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-06 18:35:39,623 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-06 18:35:39,623 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-06 18:35:39,624 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-06 18:35:39,625 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-06 18:35:39,626 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-06 18:35:39,626 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-06 18:35:39,626 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-06 18:35:39,627 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-06 18:35:39,627 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-06 18:35:39,627 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-06 18:35:39,627 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-06 18:35:39,628 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-06 18:35:39,628 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-06 18:35:39,629 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-06 18:35:39,629 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-06 18:35:39,629 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-06 18:35:39,629 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-06 18:35:39,629 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-06 18:35:39,630 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-06 18:35:39,630 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-06 18:35:39,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 18:35:39,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 18:35:39,631 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-06 18:35:39,631 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-06 18:35:39,631 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-06 18:35:39,632 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-06 18:35:39,632 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-06 18:35:39,632 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-06 18:35:39,633 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-06 18:35:39,633 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-06 18:35:39,633 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-06 18:35:39,633 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-06 18:35:39,633 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-06 18:35:39,634 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-06 18:35:39,635 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-06 18:35:39,635 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-06 18:35:39,635 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-06 18:35:39,636 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-06 18:35:39,953 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 18:35:39,953 INFO L298 CfgBuilder]: Removed 19 assume(true) statements. [2020-10-06 18:35:39,955 INFO L202 PluginConnector]: Adding new model example2_N=19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:35:39 BoogieIcfgContainer [2020-10-06 18:35:39,956 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 18:35:39,957 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 18:35:39,957 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 18:35:39,961 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 18:35:39,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:39" (1/2) ... [2020-10-06 18:35:39,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22d62d8f and model type example2_N=19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 06:35:39, skipping insertion in model container [2020-10-06 18:35:39,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:35:39" (2/2) ... [2020-10-06 18:35:39,965 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=19.bpl [2020-10-06 18:35:39,991 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 18:35:39,992 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-06 18:35:40,009 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 18:35:40,011 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 18:35:40,327 INFO L253 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2020-10-06 18:35:40,350 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-06 18:35:40,351 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-06 18:35:40,351 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-06 18:35:40,351 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-06 18:35:40,351 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 18:35:40,351 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-06 18:35:40,352 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 18:35:40,352 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 18:35:40,382 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-06 18:35:40,386 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 157 places, 118 transitions, 388 flow [2020-10-06 18:35:40,389 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 157 places, 118 transitions, 388 flow [2020-10-06 18:35:40,392 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 157 places, 118 transitions, 388 flow [2020-10-06 18:35:40,478 INFO L129 PetriNetUnfolder]: 19/99 cut-off events. [2020-10-06 18:35:40,478 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2020-10-06 18:35:40,487 INFO L80 FinitePrefix]: Finished finitePrefix Result has 176 conditions, 99 events. 19/99 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 125 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 111. Up to 2 conditions per place. [2020-10-06 18:35:40,495 INFO L117 LiptonReduction]: Number of co-enabled transitions 5130 [2020-10-06 18:35:41,088 INFO L132 LiptonReduction]: Checked pairs total: 8010 [2020-10-06 18:35:41,089 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-06 18:35:41,096 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 155 places, 116 transitions, 384 flow Received shutdown request... [2020-10-06 18:49:36,799 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-06 18:49:36,803 WARN L235 ceAbstractionStarter]: Timeout [2020-10-06 18:49:36,803 INFO L202 PluginConnector]: Adding new model example2_N=19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 06:49:36 BasicIcfg [2020-10-06 18:49:36,803 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 18:49:36,812 INFO L168 Benchmark]: Toolchain (without parser) took 837357.42 ms. Allocated memory was 250.1 MB in the beginning and 6.0 GB in the end (delta: 5.8 GB). Free memory was 224.0 MB in the beginning and 2.7 GB in the end (delta: -2.5 GB). Peak memory consumption was 5.5 GB. Max. memory is 14.2 GB. [2020-10-06 18:49:36,813 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 250.1 MB. Free memory is still 224.0 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 18:49:36,815 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.29 ms. Allocated memory is still 250.1 MB. Free memory is still 221.4 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 18:49:36,817 INFO L168 Benchmark]: Boogie Preprocessor took 31.93 ms. Allocated memory is still 250.1 MB. Free memory was 221.4 MB in the beginning and 218.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 18:49:36,819 INFO L168 Benchmark]: RCFGBuilder took 437.32 ms. Allocated memory is still 250.1 MB. Free memory was 218.9 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. [2020-10-06 18:49:36,821 INFO L168 Benchmark]: TraceAbstraction took 836846.60 ms. Allocated memory was 250.1 MB in the beginning and 6.0 GB in the end (delta: 5.8 GB). Free memory was 196.2 MB in the beginning and 2.7 GB in the end (delta: -2.5 GB). Peak memory consumption was 5.4 GB. Max. memory is 14.2 GB. [2020-10-06 18:49:36,826 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 250.1 MB. Free memory is still 224.0 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 37.29 ms. Allocated memory is still 250.1 MB. Free memory is still 221.4 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Preprocessor took 31.93 ms. Allocated memory is still 250.1 MB. Free memory was 221.4 MB in the beginning and 218.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 437.32 ms. Allocated memory is still 250.1 MB. Free memory was 218.9 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 836846.60 ms. Allocated memory was 250.1 MB in the beginning and 6.0 GB in the end (delta: 5.8 GB). Free memory was 196.2 MB in the beginning and 2.7 GB in the end (delta: -2.5 GB). Peak memory consumption was 5.4 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1405 VarBasedMoverChecksPositive, 90 VarBasedMoverChecksNegative, 54 SemBasedMoverChecksPositive, 36 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 1421 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.6s, 157 PlacesBefore, 155 PlacesAfterwards, 118 TransitionsBefore, 116 TransitionsAfterwards, 5130 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 8010 MoverChecksTotal - TimeoutResultAtElement [Line: 48]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 48). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 155 places, 116 transitions, 384 flow. Already constructed 639789 states. Currently 320153 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 20 procedures, 100 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 836.4s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 836.4s, 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