/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=17.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-50b6972 [2020-10-06 18:22:22,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 18:22:22,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 18:22:22,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 18:22:22,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 18:22:22,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 18:22:22,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 18:22:22,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 18:22:22,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 18:22:22,203 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 18:22:22,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 18:22:22,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 18:22:22,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 18:22:22,206 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 18:22:22,207 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 18:22:22,208 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 18:22:22,209 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 18:22:22,210 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 18:22:22,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 18:22:22,213 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 18:22:22,214 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 18:22:22,215 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 18:22:22,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 18:22:22,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 18:22:22,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 18:22:22,219 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 18:22:22,219 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 18:22:22,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 18:22:22,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 18:22:22,221 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 18:22:22,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 18:22:22,222 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 18:22:22,223 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 18:22:22,223 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 18:22:22,224 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 18:22:22,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 18:22:22,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 18:22:22,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 18:22:22,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 18:22:22,228 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 18:22:22,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 18:22:22,230 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 18:22:22,275 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 18:22:22,275 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 18:22:22,277 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 18:22:22,277 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 18:22:22,277 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 18:22:22,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 18:22:22,277 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 18:22:22,278 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 18:22:22,278 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 18:22:22,283 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 18:22:22,283 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 18:22:22,284 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 18:22:22,284 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 18:22:22,284 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 18:22:22,284 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 18:22:22,284 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 18:22:22,284 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 18:22:22,285 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 18:22:22,285 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 18:22:22,285 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 18:22:22,285 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 18:22:22,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 18:22:22,286 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 18:22:22,286 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-06 18:22:22,288 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 18:22:22,288 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 18:22:22,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 18:22:22,288 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 18:22:22,288 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-06 18:22:22,289 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-06 18:22:22,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 18:22:22,625 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 18:22:22,629 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 18:22:22,631 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-06 18:22:22,631 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-06 18:22:22,632 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=17.bpl [2020-10-06 18:22:22,633 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=17.bpl' [2020-10-06 18:22:22,677 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 18:22:22,679 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-06 18:22:22,680 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 18:22:22,680 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 18:22:22,680 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 18:22:22,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:22:22" (1/1) ... [2020-10-06 18:22:22,717 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:22:22" (1/1) ... [2020-10-06 18:22:22,727 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 18:22:22,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 18:22:22,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 18:22:22,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 18:22:22,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:22:22" (1/1) ... [2020-10-06 18:22:22,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:22:22" (1/1) ... [2020-10-06 18:22:22,742 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:22:22" (1/1) ... [2020-10-06 18:22:22,743 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:22:22" (1/1) ... [2020-10-06 18:22:22,763 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:22:22" (1/1) ... [2020-10-06 18:22:22,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:22:22" (1/1) ... [2020-10-06 18:22:22,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:22:22" (1/1) ... [2020-10-06 18:22:22,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 18:22:22,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 18:22:22,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 18:22:22,790 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 18:22:22,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:22:22" (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 18:22:22,866 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-06 18:22:22,866 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-06 18:22:22,868 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-06 18:22:22,868 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-06 18:22:22,868 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-06 18:22:22,869 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-06 18:22:22,869 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-06 18:22:22,869 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-06 18:22:22,869 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-06 18:22:22,869 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-06 18:22:22,870 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-06 18:22:22,870 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-06 18:22:22,870 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-06 18:22:22,870 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-06 18:22:22,870 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-06 18:22:22,871 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-06 18:22:22,871 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-06 18:22:22,871 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-06 18:22:22,871 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-06 18:22:22,871 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-06 18:22:22,871 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-06 18:22:22,872 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-06 18:22:22,872 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-06 18:22:22,872 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-06 18:22:22,873 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-06 18:22:22,873 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-06 18:22:22,873 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-06 18:22:22,874 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-06 18:22:22,874 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-06 18:22:22,875 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-06 18:22:22,875 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-06 18:22:22,875 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-06 18:22:22,875 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-06 18:22:22,876 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-06 18:22:22,877 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-06 18:22:22,877 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-06 18:22:22,877 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-06 18:22:22,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 18:22:22,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 18:22:22,878 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-06 18:22:22,878 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-06 18:22:22,878 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-06 18:22:22,878 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-06 18:22:22,878 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-06 18:22:22,879 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-06 18:22:22,879 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-06 18:22:22,879 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-06 18:22:22,879 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-06 18:22:22,879 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-06 18:22:22,880 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-06 18:22:22,880 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-06 18:22:22,880 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-06 18:22:22,880 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-06 18:22:22,880 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-06 18:22:22,882 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 18:22:23,236 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 18:22:23,237 INFO L298 CfgBuilder]: Removed 17 assume(true) statements. [2020-10-06 18:22:23,239 INFO L202 PluginConnector]: Adding new model example2_N=17.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:22:23 BoogieIcfgContainer [2020-10-06 18:22:23,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 18:22:23,240 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 18:22:23,240 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 18:22:23,243 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 18:22:23,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:22:22" (1/2) ... [2020-10-06 18:22:23,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75e86ff3 and model type example2_N=17.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 06:22:23, skipping insertion in model container [2020-10-06 18:22:23,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=17.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:22:23" (2/2) ... [2020-10-06 18:22:23,247 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=17.bpl [2020-10-06 18:22:23,257 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 18:22:23,258 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-06 18:22:23,265 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 18:22:23,265 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 18:22:23,602 INFO L253 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2020-10-06 18:22:23,623 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-06 18:22:23,624 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-06 18:22:23,624 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-06 18:22:23,624 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-06 18:22:23,624 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 18:22:23,624 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-06 18:22:23,624 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 18:22:23,624 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 18:22:23,641 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-06 18:22:23,644 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 141 places, 106 transitions, 348 flow [2020-10-06 18:22:23,647 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 141 places, 106 transitions, 348 flow [2020-10-06 18:22:23,649 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 141 places, 106 transitions, 348 flow [2020-10-06 18:22:23,742 INFO L129 PetriNetUnfolder]: 17/89 cut-off events. [2020-10-06 18:22:23,743 INFO L130 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2020-10-06 18:22:23,759 INFO L80 FinitePrefix]: Finished finitePrefix Result has 158 conditions, 89 events. 17/89 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 141 event pairs, 0 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 99. Up to 2 conditions per place. [2020-10-06 18:22:23,767 INFO L117 LiptonReduction]: Number of co-enabled transitions 4080 [2020-10-06 18:22:24,252 INFO L132 LiptonReduction]: Checked pairs total: 6352 [2020-10-06 18:22:24,252 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-06 18:22:24,259 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 139 places, 104 transitions, 344 flow Received shutdown request... [2020-10-06 18:36:15,956 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-06 18:36:15,959 WARN L235 ceAbstractionStarter]: Timeout [2020-10-06 18:36:15,959 INFO L202 PluginConnector]: Adding new model example2_N=17.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 06:36:15 BasicIcfg [2020-10-06 18:36:15,960 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 18:36:15,966 INFO L168 Benchmark]: Toolchain (without parser) took 833282.81 ms. Allocated memory was 249.0 MB in the beginning and 6.3 GB in the end (delta: 6.1 GB). Free memory was 225.4 MB in the beginning and 867.3 MB in the end (delta: -641.8 MB). Peak memory consumption was 5.8 GB. Max. memory is 14.2 GB. [2020-10-06 18:36:15,968 INFO L168 Benchmark]: Boogie PL CUP Parser took 1.25 ms. Allocated memory is still 249.0 MB. Free memory is still 225.4 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 18:36:15,971 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.20 ms. Allocated memory is still 249.0 MB. Free memory was 225.4 MB in the beginning and 222.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 18:36:15,973 INFO L168 Benchmark]: Boogie Preprocessor took 60.51 ms. Allocated memory is still 249.0 MB. Free memory was 222.9 MB in the beginning and 220.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 18:36:15,974 INFO L168 Benchmark]: RCFGBuilder took 449.53 ms. Allocated memory is still 249.0 MB. Free memory was 220.4 MB in the beginning and 200.2 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 14.2 GB. [2020-10-06 18:36:15,976 INFO L168 Benchmark]: TraceAbstraction took 832719.57 ms. Allocated memory was 249.0 MB in the beginning and 6.3 GB in the end (delta: 6.1 GB). Free memory was 200.2 MB in the beginning and 867.3 MB in the end (delta: -667.0 MB). Peak memory consumption was 5.8 GB. Max. memory is 14.2 GB. [2020-10-06 18:36:15,986 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 1.25 ms. Allocated memory is still 249.0 MB. Free memory is still 225.4 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 48.20 ms. Allocated memory is still 249.0 MB. Free memory was 225.4 MB in the beginning and 222.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 60.51 ms. Allocated memory is still 249.0 MB. Free memory was 222.9 MB in the beginning and 220.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 449.53 ms. Allocated memory is still 249.0 MB. Free memory was 220.4 MB in the beginning and 200.2 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 14.2 GB. * TraceAbstraction took 832719.57 ms. Allocated memory was 249.0 MB in the beginning and 6.3 GB in the end (delta: 6.1 GB). Free memory was 200.2 MB in the beginning and 867.3 MB in the end (delta: -667.0 MB). Peak memory consumption was 5.8 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1121 VarBasedMoverChecksPositive, 80 VarBasedMoverChecksNegative, 49 SemBasedMoverChecksPositive, 31 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.3s, 1134 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.6s, 141 PlacesBefore, 139 PlacesAfterwards, 106 TransitionsBefore, 104 TransitionsAfterwards, 4080 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 6352 MoverChecksTotal - TimeoutResultAtElement [Line: 44]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 44). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 139 places, 104 transitions, 344 flow. Already constructed 715907 states. Currently 357941 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 18 procedures, 90 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 832.3s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 832.3s, 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