/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=18.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-50b6972 [2020-10-06 18:26:27,676 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 18:26:27,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 18:26:27,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 18:26:27,718 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 18:26:27,726 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 18:26:27,729 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 18:26:27,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 18:26:27,735 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 18:26:27,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 18:26:27,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 18:26:27,742 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 18:26:27,742 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 18:26:27,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 18:26:27,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 18:26:27,750 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 18:26:27,751 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 18:26:27,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 18:26:27,754 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 18:26:27,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 18:26:27,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 18:26:27,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 18:26:27,765 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 18:26:27,766 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 18:26:27,777 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 18:26:27,777 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 18:26:27,777 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 18:26:27,778 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 18:26:27,779 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 18:26:27,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 18:26:27,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 18:26:27,783 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 18:26:27,784 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 18:26:27,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 18:26:27,787 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 18:26:27,787 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 18:26:27,789 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 18:26:27,789 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 18:26:27,789 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 18:26:27,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 18:26:27,790 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 18:26:27,793 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 18:26:27,822 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 18:26:27,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 18:26:27,824 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 18:26:27,824 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 18:26:27,824 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 18:26:27,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 18:26:27,824 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 18:26:27,825 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 18:26:27,825 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 18:26:27,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 18:26:27,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 18:26:27,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 18:26:27,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 18:26:27,826 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 18:26:27,826 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 18:26:27,826 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 18:26:27,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 18:26:27,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 18:26:27,826 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 18:26:27,827 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 18:26:27,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 18:26:27,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 18:26:27,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 18:26:27,827 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-06 18:26:27,828 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 18:26:27,828 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 18:26:27,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 18:26:27,828 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 18:26:27,828 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-06 18:26:27,828 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-06 18:26:28,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 18:26:28,122 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 18:26:28,126 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 18:26:28,127 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-06 18:26:28,128 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-06 18:26:28,128 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=18.bpl [2020-10-06 18:26:28,129 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=18.bpl' [2020-10-06 18:26:28,170 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 18:26:28,172 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-06 18:26:28,172 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 18:26:28,172 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 18:26:28,172 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 18:26:28,187 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 06.10 06:26:28" (1/1) ... [2020-10-06 18:26:28,197 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 06.10 06:26:28" (1/1) ... [2020-10-06 18:26:28,206 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 18:26:28,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 18:26:28,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 18:26:28,207 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 18:26:28,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:26:28" (1/1) ... [2020-10-06 18:26:28,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:26:28" (1/1) ... [2020-10-06 18:26:28,217 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:26:28" (1/1) ... [2020-10-06 18:26:28,218 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:26:28" (1/1) ... [2020-10-06 18:26:28,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:26:28" (1/1) ... [2020-10-06 18:26:28,231 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:26:28" (1/1) ... [2020-10-06 18:26:28,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:26:28" (1/1) ... [2020-10-06 18:26:28,235 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 18:26:28,236 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 18:26:28,236 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 18:26:28,236 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 18:26:28,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:26:28" (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 18:26:28,315 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-06 18:26:28,315 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-06 18:26:28,316 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-06 18:26:28,316 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-06 18:26:28,316 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-06 18:26:28,316 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-06 18:26:28,317 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-06 18:26:28,317 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-06 18:26:28,317 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-06 18:26:28,317 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-06 18:26:28,317 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-06 18:26:28,318 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-06 18:26:28,318 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-06 18:26:28,318 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-06 18:26:28,318 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-06 18:26:28,318 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-06 18:26:28,318 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-06 18:26:28,319 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-06 18:26:28,319 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-06 18:26:28,319 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-06 18:26:28,319 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-06 18:26:28,319 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-06 18:26:28,320 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-06 18:26:28,320 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-06 18:26:28,320 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-06 18:26:28,320 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-06 18:26:28,320 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-06 18:26:28,321 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-06 18:26:28,321 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-06 18:26:28,321 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-06 18:26:28,321 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-06 18:26:28,321 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-06 18:26:28,322 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-06 18:26:28,322 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-06 18:26:28,322 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-06 18:26:28,322 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-06 18:26:28,322 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-06 18:26:28,322 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-06 18:26:28,323 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-06 18:26:28,323 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-06 18:26:28,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 18:26:28,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 18:26:28,323 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-06 18:26:28,324 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-06 18:26:28,324 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-06 18:26:28,324 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-06 18:26:28,324 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-06 18:26:28,324 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-06 18:26:28,325 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-06 18:26:28,325 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-06 18:26:28,325 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-06 18:26:28,325 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-06 18:26:28,325 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-06 18:26:28,326 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-06 18:26:28,326 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-06 18:26:28,326 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-06 18:26:28,326 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-06 18:26:28,327 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 18:26:28,629 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 18:26:28,629 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-10-06 18:26:28,631 INFO L202 PluginConnector]: Adding new model example2_N=18.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:26:28 BoogieIcfgContainer [2020-10-06 18:26:28,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 18:26:28,633 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 18:26:28,633 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 18:26:28,636 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 18:26:28,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:26:28" (1/2) ... [2020-10-06 18:26:28,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77f676e and model type example2_N=18.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 06:26:28, skipping insertion in model container [2020-10-06 18:26:28,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=18.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:26:28" (2/2) ... [2020-10-06 18:26:28,640 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=18.bpl [2020-10-06 18:26:28,652 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 18:26:28,652 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-06 18:26:28,660 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 18:26:28,661 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 18:26:28,998 INFO L253 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2020-10-06 18:26:29,020 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-06 18:26:29,020 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-06 18:26:29,020 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-06 18:26:29,020 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-06 18:26:29,020 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 18:26:29,021 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-06 18:26:29,021 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 18:26:29,021 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 18:26:29,040 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-06 18:26:29,043 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 149 places, 112 transitions, 368 flow [2020-10-06 18:26:29,047 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 149 places, 112 transitions, 368 flow [2020-10-06 18:26:29,049 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 149 places, 112 transitions, 368 flow [2020-10-06 18:26:29,151 INFO L129 PetriNetUnfolder]: 18/94 cut-off events. [2020-10-06 18:26:29,152 INFO L130 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2020-10-06 18:26:29,164 INFO L80 FinitePrefix]: Finished finitePrefix Result has 167 conditions, 94 events. 18/94 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 115 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 105. Up to 2 conditions per place. [2020-10-06 18:26:29,175 INFO L117 LiptonReduction]: Number of co-enabled transitions 4590 [2020-10-06 18:26:29,864 INFO L132 LiptonReduction]: Checked pairs total: 7157 [2020-10-06 18:26:29,865 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-06 18:26:29,872 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 147 places, 110 transitions, 364 flow Received shutdown request... [2020-10-06 18:40:23,315 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-06 18:40:23,319 WARN L235 ceAbstractionStarter]: Timeout [2020-10-06 18:40:23,319 INFO L202 PluginConnector]: Adding new model example2_N=18.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 06:40:23 BasicIcfg [2020-10-06 18:40:23,319 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 18:40:23,329 INFO L168 Benchmark]: Toolchain (without parser) took 835149.66 ms. Allocated memory was 253.2 MB in the beginning and 6.4 GB in the end (delta: 6.1 GB). Free memory was 229.6 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 5.6 GB. Max. memory is 14.2 GB. [2020-10-06 18:40:23,330 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 253.2 MB. Free memory is still 229.6 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 18:40:23,333 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.50 ms. Allocated memory is still 253.2 MB. Free memory was 229.6 MB in the beginning and 227.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 18:40:23,335 INFO L168 Benchmark]: Boogie Preprocessor took 28.29 ms. Allocated memory is still 253.2 MB. Free memory was 227.1 MB in the beginning and 224.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 18:40:23,337 INFO L168 Benchmark]: RCFGBuilder took 395.89 ms. Allocated memory is still 253.2 MB. Free memory was 224.6 MB in the beginning and 201.9 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 14.2 GB. [2020-10-06 18:40:23,338 INFO L168 Benchmark]: TraceAbstraction took 834686.80 ms. Allocated memory was 253.2 MB in the beginning and 6.4 GB in the end (delta: 6.1 GB). Free memory was 201.9 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 5.6 GB. Max. memory is 14.2 GB. [2020-10-06 18:40:23,349 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 253.2 MB. Free memory is still 229.6 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 34.50 ms. Allocated memory is still 253.2 MB. Free memory was 229.6 MB in the beginning and 227.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 28.29 ms. Allocated memory is still 253.2 MB. Free memory was 227.1 MB in the beginning and 224.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 395.89 ms. Allocated memory is still 253.2 MB. Free memory was 224.6 MB in the beginning and 201.9 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 14.2 GB. * TraceAbstraction took 834686.80 ms. Allocated memory was 253.2 MB in the beginning and 6.4 GB in the end (delta: 6.1 GB). Free memory was 201.9 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 5.6 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1242 VarBasedMoverChecksPositive, 85 VarBasedMoverChecksNegative, 51 SemBasedMoverChecksPositive, 34 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 1258 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.8s, 149 PlacesBefore, 147 PlacesAfterwards, 112 TransitionsBefore, 110 TransitionsAfterwards, 4590 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 7157 MoverChecksTotal - 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 147 places, 110 transitions, 364 flow. Already constructed 632304 states. Currently 316151 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 19 procedures, 95 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 834.2s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 834.2s, 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