./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 42f057e1184787910edaa7abcd242178a9de26a8 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 17:24:52,122 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:24:52,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:24:52,146 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:24:52,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:24:52,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:24:52,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:24:52,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:24:52,165 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:24:52,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:24:52,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:24:52,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:24:52,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:24:52,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:24:52,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:24:52,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:24:52,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:24:52,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:24:52,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:24:52,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:24:52,192 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:24:52,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:24:52,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:24:52,200 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:24:52,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:24:52,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:24:52,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:24:52,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:24:52,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:24:52,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:24:52,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:24:52,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:24:52,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:24:52,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:24:52,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:24:52,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:24:52,213 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:24:52,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:24:52,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:24:52,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:24:52,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:24:52,217 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:24:52,237 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:24:52,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:24:52,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:24:52,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:24:52,240 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:24:52,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:24:52,240 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:24:52,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:24:52,241 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:24:52,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:24:52,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:24:52,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:24:52,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:24:52,242 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:24:52,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:24:52,243 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:24:52,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:24:52,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:24:52,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:24:52,244 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:24:52,245 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:24:52,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:24:52,245 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:24:52,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:24:52,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:24:52,246 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:24:52,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:24:52,247 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:24:52,247 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:24:52,247 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 42f057e1184787910edaa7abcd242178a9de26a8 [2019-11-28 17:24:52,579 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:24:52,593 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:24:52,596 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:24:52,597 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:24:52,598 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:24:52,599 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2019-11-28 17:24:52,671 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1522fe1a5/9cae4f46c4064191b31cbddbcf0fbecc/FLAG8cef356fa [2019-11-28 17:24:53,177 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:24:53,178 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2019-11-28 17:24:53,200 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1522fe1a5/9cae4f46c4064191b31cbddbcf0fbecc/FLAG8cef356fa [2019-11-28 17:24:53,518 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1522fe1a5/9cae4f46c4064191b31cbddbcf0fbecc [2019-11-28 17:24:53,521 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:24:53,522 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:24:53,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:24:53,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:24:53,527 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:24:53,528 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:24:53" (1/1) ... [2019-11-28 17:24:53,531 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@564c4a0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:53, skipping insertion in model container [2019-11-28 17:24:53,531 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:24:53" (1/1) ... [2019-11-28 17:24:53,538 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:24:53,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:24:53,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:24:53,978 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:24:54,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:24:54,108 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:24:54,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:54 WrapperNode [2019-11-28 17:24:54,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:24:54,109 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:24:54,109 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:24:54,109 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:24:54,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:54" (1/1) ... [2019-11-28 17:24:54,137 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:54" (1/1) ... [2019-11-28 17:24:54,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:24:54,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:24:54,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:24:54,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:24:54,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:54" (1/1) ... [2019-11-28 17:24:54,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:54" (1/1) ... [2019-11-28 17:24:54,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:54" (1/1) ... [2019-11-28 17:24:54,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:54" (1/1) ... [2019-11-28 17:24:54,199 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:54" (1/1) ... [2019-11-28 17:24:54,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:54" (1/1) ... [2019-11-28 17:24:54,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:54" (1/1) ... [2019-11-28 17:24:54,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:24:54,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:24:54,213 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:24:54,213 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:24:54,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:54" (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 [2019-11-28 17:24:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:24:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 17:24:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:24:54,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:24:55,032 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:24:55,033 INFO L287 CfgBuilder]: Removed 72 assume(true) statements. [2019-11-28 17:24:55,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:24:55 BoogieIcfgContainer [2019-11-28 17:24:55,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:24:55,035 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:24:55,036 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:24:55,039 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:24:55,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:24:53" (1/3) ... [2019-11-28 17:24:55,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eeffdc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:24:55, skipping insertion in model container [2019-11-28 17:24:55,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:54" (2/3) ... [2019-11-28 17:24:55,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eeffdc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:24:55, skipping insertion in model container [2019-11-28 17:24:55,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:24:55" (3/3) ... [2019-11-28 17:24:55,043 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product11.cil.c [2019-11-28 17:24:55,052 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:24:55,059 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 17:24:55,071 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 17:24:55,098 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:24:55,098 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:24:55,098 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:24:55,098 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:24:55,099 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:24:55,099 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:24:55,100 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:24:55,100 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:24:55,117 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2019-11-28 17:24:55,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 17:24:55,125 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:24:55,126 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:24:55,127 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:24:55,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:24:55,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1847613332, now seen corresponding path program 1 times [2019-11-28 17:24:55,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:24:55,140 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387252760] [2019-11-28 17:24:55,140 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:24:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:24:55,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:24:55,424 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387252760] [2019-11-28 17:24:55,425 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:24:55,426 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:24:55,427 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205733431] [2019-11-28 17:24:55,432 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 17:24:55,433 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:24:55,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 17:24:55,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:24:55,450 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 2 states. [2019-11-28 17:24:55,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:24:55,477 INFO L93 Difference]: Finished difference Result 119 states and 180 transitions. [2019-11-28 17:24:55,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 17:24:55,479 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-28 17:24:55,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:24:55,491 INFO L225 Difference]: With dead ends: 119 [2019-11-28 17:24:55,492 INFO L226 Difference]: Without dead ends: 59 [2019-11-28 17:24:55,495 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:24:55,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-11-28 17:24:55,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2019-11-28 17:24:55,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-11-28 17:24:55,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 82 transitions. [2019-11-28 17:24:55,540 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 82 transitions. Word has length 18 [2019-11-28 17:24:55,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:24:55,540 INFO L462 AbstractCegarLoop]: Abstraction has 59 states and 82 transitions. [2019-11-28 17:24:55,540 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 17:24:55,541 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2019-11-28 17:24:55,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 17:24:55,542 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:24:55,542 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:24:55,542 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:24:55,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:24:55,543 INFO L82 PathProgramCache]: Analyzing trace with hash -72020122, now seen corresponding path program 1 times [2019-11-28 17:24:55,543 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:24:55,544 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908790878] [2019-11-28 17:24:55,544 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:24:55,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:24:55,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:24:55,669 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908790878] [2019-11-28 17:24:55,669 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:24:55,670 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:24:55,670 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806915080] [2019-11-28 17:24:55,672 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:24:55,673 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:24:55,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:24:55,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:24:55,673 INFO L87 Difference]: Start difference. First operand 59 states and 82 transitions. Second operand 3 states. [2019-11-28 17:24:55,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:24:55,697 INFO L93 Difference]: Finished difference Result 59 states and 82 transitions. [2019-11-28 17:24:55,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:24:55,698 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-28 17:24:55,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:24:55,699 INFO L225 Difference]: With dead ends: 59 [2019-11-28 17:24:55,699 INFO L226 Difference]: Without dead ends: 31 [2019-11-28 17:24:55,700 INFO L630 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 [2019-11-28 17:24:55,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-11-28 17:24:55,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-11-28 17:24:55,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-11-28 17:24:55,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2019-11-28 17:24:55,709 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 19 [2019-11-28 17:24:55,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:24:55,709 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2019-11-28 17:24:55,709 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:24:55,709 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2019-11-28 17:24:55,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 17:24:55,710 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:24:55,711 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:24:55,711 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:24:55,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:24:55,712 INFO L82 PathProgramCache]: Analyzing trace with hash 1370675903, now seen corresponding path program 1 times [2019-11-28 17:24:55,712 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:24:55,712 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751951008] [2019-11-28 17:24:55,712 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:24:55,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:24:55,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:24:55,868 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751951008] [2019-11-28 17:24:55,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:24:55,868 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:24:55,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851537852] [2019-11-28 17:24:55,870 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:24:55,871 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:24:55,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:24:55,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:24:55,872 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 3 states. [2019-11-28 17:24:55,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:24:55,897 INFO L93 Difference]: Finished difference Result 79 states and 115 transitions. [2019-11-28 17:24:55,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:24:55,901 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-28 17:24:55,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:24:55,902 INFO L225 Difference]: With dead ends: 79 [2019-11-28 17:24:55,902 INFO L226 Difference]: Without dead ends: 55 [2019-11-28 17:24:55,903 INFO L630 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 [2019-11-28 17:24:55,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-28 17:24:55,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 51. [2019-11-28 17:24:55,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-11-28 17:24:55,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2019-11-28 17:24:55,914 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 24 [2019-11-28 17:24:55,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:24:55,915 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2019-11-28 17:24:55,915 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:24:55,915 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2019-11-28 17:24:55,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 17:24:55,916 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:24:55,917 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:24:55,917 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:24:55,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:24:55,918 INFO L82 PathProgramCache]: Analyzing trace with hash 437212194, now seen corresponding path program 1 times [2019-11-28 17:24:55,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:24:55,918 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822065937] [2019-11-28 17:24:55,918 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:24:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:24:56,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:24:56,001 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822065937] [2019-11-28 17:24:56,001 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:24:56,002 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:24:56,002 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839484717] [2019-11-28 17:24:56,002 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:24:56,003 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:24:56,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:24:56,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:24:56,003 INFO L87 Difference]: Start difference. First operand 51 states and 74 transitions. Second operand 5 states. [2019-11-28 17:24:56,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:24:56,112 INFO L93 Difference]: Finished difference Result 219 states and 337 transitions. [2019-11-28 17:24:56,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 17:24:56,115 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-28 17:24:56,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:24:56,117 INFO L225 Difference]: With dead ends: 219 [2019-11-28 17:24:56,117 INFO L226 Difference]: Without dead ends: 175 [2019-11-28 17:24:56,118 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 17:24:56,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2019-11-28 17:24:56,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 87. [2019-11-28 17:24:56,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-11-28 17:24:56,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 126 transitions. [2019-11-28 17:24:56,145 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 126 transitions. Word has length 24 [2019-11-28 17:24:56,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:24:56,147 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 126 transitions. [2019-11-28 17:24:56,147 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:24:56,147 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 126 transitions. [2019-11-28 17:24:56,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-28 17:24:56,149 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:24:56,149 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:24:56,150 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:24:56,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:24:56,150 INFO L82 PathProgramCache]: Analyzing trace with hash 1687550122, now seen corresponding path program 1 times [2019-11-28 17:24:56,151 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:24:56,151 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275890541] [2019-11-28 17:24:56,151 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:24:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:24:56,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:24:56,232 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275890541] [2019-11-28 17:24:56,233 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:24:56,234 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:24:56,234 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424154526] [2019-11-28 17:24:56,234 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:24:56,235 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:24:56,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:24:56,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:24:56,235 INFO L87 Difference]: Start difference. First operand 87 states and 126 transitions. Second operand 5 states. [2019-11-28 17:24:56,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:24:56,324 INFO L93 Difference]: Finished difference Result 271 states and 400 transitions. [2019-11-28 17:24:56,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:24:56,324 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-11-28 17:24:56,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:24:56,325 INFO L225 Difference]: With dead ends: 271 [2019-11-28 17:24:56,325 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 17:24:56,327 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 17:24:56,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 17:24:56,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 17:24:56,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 17:24:56,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 17:24:56,331 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-11-28 17:24:56,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:24:56,331 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 17:24:56,331 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:24:56,331 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 17:24:56,331 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:24:56,334 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 17:24:56,598 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 668) no Hoare annotation was computed. [2019-11-28 17:24:56,598 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:24:56,598 INFO L246 CegarLoopResult]: For program point L582(lines 582 588) no Hoare annotation was computed. [2019-11-28 17:24:56,599 INFO L242 CegarLoopResult]: At program point L582-1(lines 582 588) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:56,599 INFO L246 CegarLoopResult]: For program point L731(lines 731 735) no Hoare annotation was computed. [2019-11-28 17:24:56,599 INFO L242 CegarLoopResult]: At program point L468(lines 468 474) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:56,599 INFO L242 CegarLoopResult]: At program point L468-1(lines 468 474) the Hoare annotation is: false [2019-11-28 17:24:56,599 INFO L242 CegarLoopResult]: At program point L468-2(lines 468 474) the Hoare annotation is: false [2019-11-28 17:24:56,599 INFO L246 CegarLoopResult]: For program point L617(lines 617 623) no Hoare annotation was computed. [2019-11-28 17:24:56,600 INFO L242 CegarLoopResult]: At program point L617-1(lines 617 623) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:56,600 INFO L242 CegarLoopResult]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-28 17:24:56,601 INFO L246 CegarLoopResult]: For program point L668(line 668) no Hoare annotation was computed. [2019-11-28 17:24:56,601 INFO L246 CegarLoopResult]: For program point L668-1(line 668) no Hoare annotation was computed. [2019-11-28 17:24:56,602 INFO L246 CegarLoopResult]: For program point L668-2(line 668) no Hoare annotation was computed. [2019-11-28 17:24:56,602 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:24:56,602 INFO L246 CegarLoopResult]: For program point L719(lines 719 723) no Hoare annotation was computed. [2019-11-28 17:24:56,602 INFO L246 CegarLoopResult]: For program point L719-3(lines 719 723) no Hoare annotation was computed. [2019-11-28 17:24:56,602 INFO L246 CegarLoopResult]: For program point L719-6(lines 719 723) no Hoare annotation was computed. [2019-11-28 17:24:56,602 INFO L246 CegarLoopResult]: For program point L637(lines 637 650) no Hoare annotation was computed. [2019-11-28 17:24:56,603 INFO L242 CegarLoopResult]: At program point L538(lines 533 541) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:56,603 INFO L242 CegarLoopResult]: At program point L538-1(lines 533 541) the Hoare annotation is: false [2019-11-28 17:24:56,603 INFO L242 CegarLoopResult]: At program point L538-2(lines 533 541) the Hoare annotation is: false [2019-11-28 17:24:56,603 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 668) no Hoare annotation was computed. [2019-11-28 17:24:56,604 INFO L249 CegarLoopResult]: At program point L885(lines 866 888) the Hoare annotation is: true [2019-11-28 17:24:56,604 INFO L242 CegarLoopResult]: At program point L852(lines 848 854) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-28 17:24:56,605 INFO L242 CegarLoopResult]: At program point L655(lines 606 656) the Hoare annotation is: false [2019-11-28 17:24:56,605 INFO L242 CegarLoopResult]: At program point L804-2(lines 804 818) the Hoare annotation is: false [2019-11-28 17:24:56,605 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:24:56,606 INFO L246 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2019-11-28 17:24:56,607 INFO L242 CegarLoopResult]: At program point L756(lines 751 759) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:56,608 INFO L242 CegarLoopResult]: At program point L756-1(lines 751 759) the Hoare annotation is: false [2019-11-28 17:24:56,608 INFO L246 CegarLoopResult]: For program point L690(lines 690 707) no Hoare annotation was computed. [2019-11-28 17:24:56,608 INFO L242 CegarLoopResult]: At program point L756-2(lines 751 759) the Hoare annotation is: false [2019-11-28 17:24:56,608 INFO L242 CegarLoopResult]: At program point L690-1(lines 1 888) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:56,609 INFO L246 CegarLoopResult]: For program point L690-2(lines 690 707) no Hoare annotation was computed. [2019-11-28 17:24:56,609 INFO L242 CegarLoopResult]: At program point L690-3(lines 1 888) the Hoare annotation is: false [2019-11-28 17:24:56,609 INFO L246 CegarLoopResult]: For program point L690-4(lines 690 707) no Hoare annotation was computed. [2019-11-28 17:24:56,612 INFO L242 CegarLoopResult]: At program point L690-5(lines 1 888) the Hoare annotation is: false [2019-11-28 17:24:56,612 INFO L246 CegarLoopResult]: For program point L608(lines 607 654) no Hoare annotation was computed. [2019-11-28 17:24:56,613 INFO L246 CegarLoopResult]: For program point L609(lines 609 613) no Hoare annotation was computed. [2019-11-28 17:24:56,613 INFO L242 CegarLoopResult]: At program point L461(lines 460 479) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:56,613 INFO L246 CegarLoopResult]: For program point L461-1(lines 461 467) no Hoare annotation was computed. [2019-11-28 17:24:56,613 INFO L242 CegarLoopResult]: At program point L461-2(lines 460 479) the Hoare annotation is: false [2019-11-28 17:24:56,614 INFO L242 CegarLoopResult]: At program point L461-3(lines 460 479) the Hoare annotation is: false [2019-11-28 17:24:56,616 INFO L246 CegarLoopResult]: For program point L808(lines 808 812) no Hoare annotation was computed. [2019-11-28 17:24:56,616 INFO L246 CegarLoopResult]: For program point L808-1(lines 461 467) no Hoare annotation was computed. [2019-11-28 17:24:56,616 INFO L246 CegarLoopResult]: For program point L643(lines 643 649) no Hoare annotation was computed. [2019-11-28 17:24:56,616 INFO L242 CegarLoopResult]: At program point L643-1(lines 461 467) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:56,617 INFO L242 CegarLoopResult]: At program point L65(lines 1 888) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-28 17:24:56,617 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 17:24:56,618 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 668) no Hoare annotation was computed. [2019-11-28 17:24:56,618 INFO L246 CegarLoopResult]: For program point L627(lines 627 633) no Hoare annotation was computed. [2019-11-28 17:24:56,618 INFO L242 CegarLoopResult]: At program point L627-1(lines 627 633) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:56,618 INFO L246 CegarLoopResult]: For program point L743(lines 743 747) no Hoare annotation was computed. [2019-11-28 17:24:56,618 INFO L246 CegarLoopResult]: For program point L694(lines 694 704) no Hoare annotation was computed. [2019-11-28 17:24:56,619 INFO L246 CegarLoopResult]: For program point L694-2(lines 694 704) no Hoare annotation was computed. [2019-11-28 17:24:56,627 INFO L246 CegarLoopResult]: For program point L694-4(lines 694 704) no Hoare annotation was computed. [2019-11-28 17:24:56,627 INFO L246 CegarLoopResult]: For program point L876(lines 876 883) no Hoare annotation was computed. [2019-11-28 17:24:56,627 INFO L249 CegarLoopResult]: At program point L876-1(lines 876 883) the Hoare annotation is: true [2019-11-28 17:24:56,627 INFO L246 CegarLoopResult]: For program point L695(lines 695 701) no Hoare annotation was computed. [2019-11-28 17:24:56,627 INFO L246 CegarLoopResult]: For program point L695-2(lines 695 701) no Hoare annotation was computed. [2019-11-28 17:24:56,628 INFO L246 CegarLoopResult]: For program point L695-4(lines 695 701) no Hoare annotation was computed. [2019-11-28 17:24:56,628 INFO L242 CegarLoopResult]: At program point L679(lines 674 681) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-28 17:24:56,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:24:56 BoogieIcfgContainer [2019-11-28 17:24:56,666 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:24:56,666 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:24:56,666 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:24:56,667 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:24:56,667 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:24:55" (3/4) ... [2019-11-28 17:24:56,672 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 17:24:56,699 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 17:24:56,700 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 17:24:56,701 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 17:24:56,701 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 17:24:56,702 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 17:24:56,703 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:24:56,703 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:24:56,764 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 17:24:56,830 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:24:56,830 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:24:56,833 INFO L168 Benchmark]: Toolchain (without parser) took 3310.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 956.3 MB in the beginning and 907.4 MB in the end (delta: 48.9 MB). Peak memory consumption was 161.1 MB. Max. memory is 11.5 GB. [2019-11-28 17:24:56,833 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:24:56,834 INFO L168 Benchmark]: CACSL2BoogieTranslator took 585.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -138.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-28 17:24:56,834 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-28 17:24:56,835 INFO L168 Benchmark]: Boogie Preprocessor took 36.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 17:24:56,835 INFO L168 Benchmark]: RCFGBuilder took 820.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 51.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 11.5 GB. [2019-11-28 17:24:56,836 INFO L168 Benchmark]: TraceAbstraction took 1630.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 914.1 MB in the end (delta: 120.8 MB). Peak memory consumption was 120.8 MB. Max. memory is 11.5 GB. [2019-11-28 17:24:56,837 INFO L168 Benchmark]: Witness Printer took 164.53 ms. Allocated memory is still 1.1 GB. Free memory was 914.1 MB in the beginning and 907.4 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 17:24:56,839 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 585.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -138.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 66.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 820.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 51.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1630.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 914.1 MB in the end (delta: 120.8 MB). Peak memory consumption was 120.8 MB. Max. memory is 11.5 GB. * Witness Printer took 164.53 ms. Allocated memory is still 1.1 GB. Free memory was 914.1 MB in the beginning and 907.4 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 668]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 668]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 668]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 461]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 468]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 468]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 468]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 751]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 751]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 751]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 63 locations, 3 error locations. Result: SAFE, OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 287 SDtfs, 256 SDslu, 298 SDs, 0 SdLazy, 44 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=4, 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, 5 MinimizatonAttempts, 92 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 27 PreInvPairs, 113 NumberOfFragments, 120 HoareAnnotationTreeSize, 27 FomulaSimplifications, 2679 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 27 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 4985 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...