/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-ext/18_read_write_lock.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 10:56:01,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 10:56:01,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 10:56:01,207 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 10:56:01,208 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 10:56:01,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 10:56:01,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 10:56:01,223 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 10:56:01,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 10:56:01,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 10:56:01,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 10:56:01,232 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 10:56:01,233 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 10:56:01,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 10:56:01,239 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 10:56:01,240 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 10:56:01,242 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 10:56:01,243 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 10:56:01,244 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 10:56:01,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 10:56:01,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 10:56:01,257 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 10:56:01,258 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 10:56:01,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 10:56:01,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 10:56:01,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 10:56:01,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 10:56:01,284 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 10:56:01,285 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-16 10:56:01,328 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 10:56:01,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 10:56:01,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 10:56:01,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 10:56:01,330 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 10:56:01,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 10:56:01,331 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 10:56:01,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 10:56:01,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 10:56:01,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 10:56:01,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 10:56:01,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 10:56:01,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 10:56:01,333 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 10:56:01,334 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 10:56:01,334 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 10:56:01,334 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 10:56:01,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 10:56:01,334 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 10:56:01,335 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 10:56:01,335 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 10:56:01,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 10:56:01,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 10:56:01,335 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 10:56:01,336 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 10:56:01,336 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 10:56:01,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 10:56:01,336 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 10:56:01,336 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-16 10:56:01,336 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 10:56:01,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 10:56:01,639 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 10:56:01,642 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 10:56:01,644 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 10:56:01,644 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 10:56:01,645 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/18_read_write_lock.i [2020-10-16 10:56:01,708 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f49e1e8c7/887fbc1afdf747e68b58d0a74b39b70e/FLAG177895691 [2020-10-16 10:56:02,230 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 10:56:02,230 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-ext/18_read_write_lock.i [2020-10-16 10:56:02,246 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f49e1e8c7/887fbc1afdf747e68b58d0a74b39b70e/FLAG177895691 [2020-10-16 10:56:02,542 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f49e1e8c7/887fbc1afdf747e68b58d0a74b39b70e [2020-10-16 10:56:02,551 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 10:56:02,554 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 10:56:02,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 10:56:02,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 10:56:02,558 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 10:56:02,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:56:02" (1/1) ... [2020-10-16 10:56:02,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ba989d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:56:02, skipping insertion in model container [2020-10-16 10:56:02,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:56:02" (1/1) ... [2020-10-16 10:56:02,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 10:56:02,616 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 10:56:03,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 10:56:03,111 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 10:56:03,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 10:56:03,225 INFO L208 MainTranslator]: Completed translation [2020-10-16 10:56:03,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:56:03 WrapperNode [2020-10-16 10:56:03,226 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 10:56:03,227 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 10:56:03,227 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 10:56:03,227 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 10:56:03,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:56:03" (1/1) ... [2020-10-16 10:56:03,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:56:03" (1/1) ... [2020-10-16 10:56:03,286 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 10:56:03,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 10:56:03,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 10:56:03,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 10:56:03,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:56:03" (1/1) ... [2020-10-16 10:56:03,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:56:03" (1/1) ... [2020-10-16 10:56:03,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:56:03" (1/1) ... [2020-10-16 10:56:03,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:56:03" (1/1) ... [2020-10-16 10:56:03,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:56:03" (1/1) ... [2020-10-16 10:56:03,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:56:03" (1/1) ... [2020-10-16 10:56:03,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:56:03" (1/1) ... [2020-10-16 10:56:03,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 10:56:03,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 10:56:03,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 10:56:03,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 10:56:03,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:56:03" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-16 10:56:03,386 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-16 10:56:03,386 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-16 10:56:03,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 10:56:03,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 10:56:03,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 10:56:03,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 10:56:03,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 10:56:03,388 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 10:56:03,881 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 10:56:03,881 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-16 10:56:03,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:56:03 BoogieIcfgContainer [2020-10-16 10:56:03,884 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 10:56:03,885 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 10:56:03,885 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 10:56:03,889 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 10:56:03,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 10:56:02" (1/3) ... [2020-10-16 10:56:03,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@451894fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:56:03, skipping insertion in model container [2020-10-16 10:56:03,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:56:03" (2/3) ... [2020-10-16 10:56:03,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@451894fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:56:03, skipping insertion in model container [2020-10-16 10:56:03,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:56:03" (3/3) ... [2020-10-16 10:56:03,893 INFO L111 eAbstractionObserver]: Analyzing ICFG 18_read_write_lock.i [2020-10-16 10:56:03,906 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 10:56:03,906 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 10:56:03,913 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-16 10:56:03,914 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 10:56:03,936 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:56:03,937 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:56:03,937 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:56:03,937 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:56:03,937 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:56:03,938 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:56:03,938 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:56:03,939 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:56:03,942 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:56:03,943 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:56:03,943 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:56:03,943 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:56:03,944 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:56:03,944 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:56:03,948 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 10:56:03,959 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-10-16 10:56:03,981 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 10:56:03,981 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 10:56:03,982 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 10:56:03,982 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 10:56:03,982 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 10:56:03,982 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 10:56:03,982 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 10:56:03,983 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 10:56:03,995 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 10:56:03,999 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 39 transitions, 83 flow [2020-10-16 10:56:04,002 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 39 transitions, 83 flow [2020-10-16 10:56:04,004 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 42 places, 39 transitions, 83 flow [2020-10-16 10:56:04,038 INFO L129 PetriNetUnfolder]: 1/38 cut-off events. [2020-10-16 10:56:04,038 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 10:56:04,042 INFO L80 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 38 events. 1/38 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 16 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 26. Up to 2 conditions per place. [2020-10-16 10:56:04,044 INFO L117 LiptonReduction]: Number of co-enabled transitions 240 [2020-10-16 10:56:05,062 INFO L132 LiptonReduction]: Checked pairs total: 463 [2020-10-16 10:56:05,062 INFO L134 LiptonReduction]: Total number of compositions: 35 [2020-10-16 10:56:05,071 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 14 places, 11 transitions, 27 flow [2020-10-16 10:56:05,094 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 20 states. [2020-10-16 10:56:05,098 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2020-10-16 10:56:05,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-16 10:56:05,112 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 10:56:05,115 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-16 10:56:05,115 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 10:56:05,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 10:56:05,122 INFO L82 PathProgramCache]: Analyzing trace with hash 210008405, now seen corresponding path program 1 times [2020-10-16 10:56:05,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 10:56:05,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731035463] [2020-10-16 10:56:05,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 10:56:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 10:56:05,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 10:56:05,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731035463] [2020-10-16 10:56:05,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 10:56:05,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 10:56:05,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651936957] [2020-10-16 10:56:05,319 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 10:56:05,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 10:56:05,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 10:56:05,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 10:56:05,336 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 3 states. [2020-10-16 10:56:05,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 10:56:05,377 INFO L93 Difference]: Finished difference Result 21 states and 27 transitions. [2020-10-16 10:56:05,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 10:56:05,379 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-16 10:56:05,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 10:56:05,389 INFO L225 Difference]: With dead ends: 21 [2020-10-16 10:56:05,389 INFO L226 Difference]: Without dead ends: 10 [2020-10-16 10:56:05,391 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 10:56:05,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2020-10-16 10:56:05,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2020-10-16 10:56:05,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-16 10:56:05,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2020-10-16 10:56:05,430 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 5 [2020-10-16 10:56:05,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 10:56:05,430 INFO L481 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2020-10-16 10:56:05,430 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 10:56:05,430 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2020-10-16 10:56:05,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-16 10:56:05,431 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 10:56:05,431 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-16 10:56:05,431 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 10:56:05,432 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 10:56:05,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 10:56:05,432 INFO L82 PathProgramCache]: Analyzing trace with hash -45381780, now seen corresponding path program 1 times [2020-10-16 10:56:05,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 10:56:05,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277147223] [2020-10-16 10:56:05,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 10:56:05,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 10:56:05,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 10:56:05,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277147223] [2020-10-16 10:56:05,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 10:56:05,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 10:56:05,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486442151] [2020-10-16 10:56:05,515 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 10:56:05,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 10:56:05,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 10:56:05,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 10:56:05,516 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand 4 states. [2020-10-16 10:56:05,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 10:56:05,526 INFO L93 Difference]: Finished difference Result 10 states and 9 transitions. [2020-10-16 10:56:05,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 10:56:05,526 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-10-16 10:56:05,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 10:56:05,527 INFO L225 Difference]: With dead ends: 10 [2020-10-16 10:56:05,527 INFO L226 Difference]: Without dead ends: 8 [2020-10-16 10:56:05,528 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 10:56:05,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2020-10-16 10:56:05,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2020-10-16 10:56:05,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-10-16 10:56:05,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2020-10-16 10:56:05,531 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 7 [2020-10-16 10:56:05,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 10:56:05,531 INFO L481 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2020-10-16 10:56:05,532 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 10:56:05,532 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2020-10-16 10:56:05,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-16 10:56:05,532 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 10:56:05,533 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-16 10:56:05,533 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 10:56:05,533 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 10:56:05,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 10:56:05,534 INFO L82 PathProgramCache]: Analyzing trace with hash -61757220, now seen corresponding path program 2 times [2020-10-16 10:56:05,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 10:56:05,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904469808] [2020-10-16 10:56:05,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 10:56:05,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 10:56:05,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 10:56:05,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904469808] [2020-10-16 10:56:05,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 10:56:05,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 10:56:05,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541216364] [2020-10-16 10:56:05,582 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 10:56:05,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 10:56:05,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 10:56:05,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 10:56:05,583 INFO L87 Difference]: Start difference. First operand 8 states and 7 transitions. Second operand 3 states. [2020-10-16 10:56:05,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 10:56:05,587 INFO L93 Difference]: Finished difference Result 4 states and 3 transitions. [2020-10-16 10:56:05,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 10:56:05,588 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-16 10:56:05,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 10:56:05,588 INFO L225 Difference]: With dead ends: 4 [2020-10-16 10:56:05,588 INFO L226 Difference]: Without dead ends: 0 [2020-10-16 10:56:05,589 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 10:56:05,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-16 10:56:05,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-16 10:56:05,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-16 10:56:05,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-16 10:56:05,590 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2020-10-16 10:56:05,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 10:56:05,590 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-16 10:56:05,590 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 10:56:05,591 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-16 10:56:05,591 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-16 10:56:05,591 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 10:56:05,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 10:56:05 BasicIcfg [2020-10-16 10:56:05,595 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 10:56:05,598 INFO L168 Benchmark]: Toolchain (without parser) took 3043.93 ms. Allocated memory was 140.5 MB in the beginning and 237.0 MB in the end (delta: 96.5 MB). Free memory was 102.4 MB in the beginning and 88.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 110.0 MB. Max. memory is 7.1 GB. [2020-10-16 10:56:05,599 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-16 10:56:05,600 INFO L168 Benchmark]: CACSL2BoogieTranslator took 672.06 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 102.1 MB in the beginning and 163.3 MB in the end (delta: -61.1 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2020-10-16 10:56:05,601 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.93 ms. Allocated memory is still 203.9 MB. Free memory was 163.3 MB in the beginning and 161.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-16 10:56:05,602 INFO L168 Benchmark]: Boogie Preprocessor took 24.65 ms. Allocated memory is still 203.9 MB. Free memory was 161.3 MB in the beginning and 159.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-16 10:56:05,603 INFO L168 Benchmark]: RCFGBuilder took 572.71 ms. Allocated memory is still 203.9 MB. Free memory was 159.2 MB in the beginning and 131.3 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. [2020-10-16 10:56:05,604 INFO L168 Benchmark]: TraceAbstraction took 1709.99 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 130.6 MB in the beginning and 88.8 MB in the end (delta: 41.8 MB). Peak memory consumption was 74.9 MB. Max. memory is 7.1 GB. [2020-10-16 10:56:05,609 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 672.06 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 102.1 MB in the beginning and 163.3 MB in the end (delta: -61.1 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 58.93 ms. Allocated memory is still 203.9 MB. Free memory was 163.3 MB in the beginning and 161.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.65 ms. Allocated memory is still 203.9 MB. Free memory was 161.3 MB in the beginning and 159.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 572.71 ms. Allocated memory is still 203.9 MB. Free memory was 159.2 MB in the beginning and 131.3 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1709.99 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 130.6 MB in the beginning and 88.8 MB in the end (delta: 41.8 MB). Peak memory consumption was 74.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 167 VarBasedMoverChecksPositive, 34 VarBasedMoverChecksNegative, 6 SemBasedMoverChecksPositive, 28 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 16 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.0s, 42 PlacesBefore, 14 PlacesAfterwards, 39 TransitionsBefore, 11 TransitionsAfterwards, 240 CoEnabledTransitionPairs, 6 FixpointIterations, 10 TrivialSequentialCompositions, 19 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 35 TotalNumberOfCompositions, 463 MoverChecksTotal - PositiveResult [Line: 698]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.1s, HoareTripleCheckerStatistics: 15 SDtfs, 8 SDslu, 7 SDs, 0 SdLazy, 10 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 156 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...