/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=21.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 15:08:16,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 15:08:16,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 15:08:16,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 15:08:16,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 15:08:16,126 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 15:08:16,128 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 15:08:16,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 15:08:16,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 15:08:16,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 15:08:16,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 15:08:16,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 15:08:16,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 15:08:16,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 15:08:16,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 15:08:16,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 15:08:16,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 15:08:16,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 15:08:16,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 15:08:16,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 15:08:16,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 15:08:16,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 15:08:16,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 15:08:16,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 15:08:16,149 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 15:08:16,150 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 15:08:16,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 15:08:16,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 15:08:16,151 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 15:08:16,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 15:08:16,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 15:08:16,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 15:08:16,154 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 15:08:16,155 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 15:08:16,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 15:08:16,156 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 15:08:16,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 15:08:16,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 15:08:16,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 15:08:16,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 15:08:16,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 15:08:16,159 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_FA.epf [2020-10-08 15:08:16,181 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 15:08:16,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 15:08:16,183 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 15:08:16,183 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 15:08:16,183 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 15:08:16,184 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 15:08:16,184 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 15:08:16,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 15:08:16,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 15:08:16,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 15:08:16,185 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 15:08:16,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 15:08:16,185 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 15:08:16,185 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 15:08:16,185 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 15:08:16,185 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 15:08:16,186 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 15:08:16,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 15:08:16,189 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 15:08:16,189 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 15:08:16,190 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 15:08:16,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 15:08:16,190 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 15:08:16,190 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 15:08:16,190 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 15:08:16,191 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-10-08 15:08:16,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 15:08:16,191 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-10-08 15:08:16,191 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 15:08:16,191 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 15:08:16,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 15:08:16,515 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 15:08:16,518 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 15:08:16,520 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 15:08:16,520 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 15:08:16,521 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=21.bpl [2020-10-08 15:08:16,521 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=21.bpl' [2020-10-08 15:08:16,567 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 15:08:16,569 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 15:08:16,570 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 15:08:16,570 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 15:08:16,570 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 15:08:16,586 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 08.10 03:08:16" (1/1) ... [2020-10-08 15:08:16,597 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 08.10 03:08:16" (1/1) ... [2020-10-08 15:08:16,607 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 15:08:16,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 15:08:16,608 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 15:08:16,608 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 15:08:16,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:16" (1/1) ... [2020-10-08 15:08:16,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:16" (1/1) ... [2020-10-08 15:08:16,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:16" (1/1) ... [2020-10-08 15:08:16,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:16" (1/1) ... [2020-10-08 15:08:16,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:16" (1/1) ... [2020-10-08 15:08:16,637 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:16" (1/1) ... [2020-10-08 15:08:16,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:16" (1/1) ... [2020-10-08 15:08:16,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 15:08:16,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 15:08:16,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 15:08:16,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 15:08:16,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:16" (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 [2020-10-08 15:08:16,724 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-08 15:08:16,725 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-08 15:08:16,727 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-08 15:08:16,727 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-08 15:08:16,727 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-08 15:08:16,728 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-08 15:08:16,728 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-08 15:08:16,728 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-08 15:08:16,728 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-08 15:08:16,728 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 15:08:16,729 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 15:08:16,729 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 15:08:16,729 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 15:08:16,729 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 15:08:16,729 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 15:08:16,730 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 15:08:16,730 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 15:08:16,730 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 15:08:16,730 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 15:08:16,731 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 15:08:16,731 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 15:08:16,732 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 15:08:16,732 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 15:08:16,732 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 15:08:16,733 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 15:08:16,734 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 15:08:16,734 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 15:08:16,735 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 15:08:16,735 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 15:08:16,735 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 15:08:16,736 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 15:08:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 15:08:16,736 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 15:08:16,736 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 15:08:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 15:08:16,737 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 15:08:16,738 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 15:08:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 15:08:16,738 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 15:08:16,739 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 15:08:16,739 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 15:08:16,739 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 15:08:16,739 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 15:08:16,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 15:08:16,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 15:08:16,740 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-08 15:08:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-08 15:08:16,741 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-08 15:08:16,741 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 15:08:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 15:08:16,742 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 15:08:16,742 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-08 15:08:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-08 15:08:16,742 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-08 15:08:16,743 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 15:08:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 15:08:16,743 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 15:08:16,744 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-08 15:08:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-08 15:08:16,744 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-08 15:08:16,745 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 15:08:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 15:08:16,745 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 15:08:16,745 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 15:08:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 15:08:16,746 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 15:08:16,748 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-08 15:08:17,157 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 15:08:17,158 INFO L298 CfgBuilder]: Removed 21 assume(true) statements. [2020-10-08 15:08:17,160 INFO L202 PluginConnector]: Adding new model example2_N=21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 03:08:17 BoogieIcfgContainer [2020-10-08 15:08:17,160 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 15:08:17,161 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 15:08:17,162 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 15:08:17,165 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 15:08:17,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:16" (1/2) ... [2020-10-08 15:08:17,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f41f297 and model type example2_N=21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 03:08:17, skipping insertion in model container [2020-10-08 15:08:17,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 03:08:17" (2/2) ... [2020-10-08 15:08:17,168 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=21.bpl [2020-10-08 15:08:17,177 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 15:08:17,178 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 15:08:17,183 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 15:08:17,184 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 15:08:17,571 INFO L253 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2020-10-08 15:08:17,614 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 15:08:17,614 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 15:08:17,615 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 15:08:17,616 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 15:08:17,616 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 15:08:17,616 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 15:08:17,616 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 15:08:17,616 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 15:08:17,638 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 173 places, 130 transitions, 428 flow Received shutdown request... [2020-10-08 15:21:46,888 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 15:21:46,892 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 15:21:46,893 INFO L202 PluginConnector]: Adding new model example2_N=21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 03:21:46 BasicIcfg [2020-10-08 15:21:46,893 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 15:21:46,900 INFO L168 Benchmark]: Toolchain (without parser) took 810326.40 ms. Allocated memory was 248.0 MB in the beginning and 6.4 GB in the end (delta: 6.2 GB). Free memory was 224.4 MB in the beginning and 1.9 GB in the end (delta: -1.7 GB). Peak memory consumption was 6.2 GB. Max. memory is 14.2 GB. [2020-10-08 15:21:46,901 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 248.0 MB. Free memory is still 224.4 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 15:21:46,901 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.89 ms. Allocated memory is still 248.0 MB. Free memory is still 221.9 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 15:21:46,903 INFO L168 Benchmark]: Boogie Preprocessor took 35.25 ms. Allocated memory is still 248.0 MB. Free memory was 221.9 MB in the beginning and 219.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 15:21:46,904 INFO L168 Benchmark]: RCFGBuilder took 516.69 ms. Allocated memory is still 248.0 MB. Free memory was 219.3 MB in the beginning and 196.5 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 14.2 GB. [2020-10-08 15:21:46,905 INFO L168 Benchmark]: TraceAbstraction took 809731.97 ms. Allocated memory was 248.0 MB in the beginning and 6.4 GB in the end (delta: 6.2 GB). Free memory was 194.0 MB in the beginning and 1.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 6.2 GB. Max. memory is 14.2 GB. [2020-10-08 15:21:46,909 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 0.24 ms. Allocated memory is still 248.0 MB. Free memory is still 224.4 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 37.89 ms. Allocated memory is still 248.0 MB. Free memory is still 221.9 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Preprocessor took 35.25 ms. Allocated memory is still 248.0 MB. Free memory was 221.9 MB in the beginning and 219.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 516.69 ms. Allocated memory is still 248.0 MB. Free memory was 219.3 MB in the beginning and 196.5 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 14.2 GB. * TraceAbstraction took 809731.97 ms. Allocated memory was 248.0 MB in the beginning and 6.4 GB in the end (delta: 6.2 GB). Free memory was 194.0 MB in the beginning and 1.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 6.2 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 173 places, 130 transitions, 428 flow. Already constructed 802781 states. Currently 401421 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 110 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 809.2s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 809.2s, 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